MCset 1-2-3 17.5 kV - Schneider Electric België

MCset 1-2-3 17.5 kV - Schneider Electric België
Medium Voltage Distribution
MCset 1-2-3 17.5 kV
Withdrawable switchgear
Marine application
Civil engineering - Installation - Instruction of use
April 2012
Content
General
Glossary
Symbols
Recommendations
Standard tightening torques
List of bags and accessories
3
3
3
4
4
5
Civil engineering
Content
6
Dimensions and weights
7
Space to be provided around a switchboard
9
Floor finishing and support members fastening
14
Incoming configuration of MV cables
15
AD, CL-GL, TT cubicles (SF6 technology)
Cubicle fitted with IPX1/ IPX2 roofs
Transition enclosure MTP (Motorpact transition enclosure)
Middle of the room mounting
Installation against a wall
Civil engineering with maintenance space
Transition enclosure MTP (Motorpact transition enclosure)
Switchboard location in the installation room
Position of MV cables
MOTORPACT cubicle
Floor finishing
Summary of different mounting methods
General information
Civil engineering with maintenance space
7
8
8
9
9
10
10
11
12
13
14
14
15
15
Installation
Content
16
Cubicle packaging
17
Handling instructions
18
Installation and operation recommendation
20
Installation instructions
21
Cubicle unit packing
Land packaging
Ocean shipment packaging
Handling using a sling
Handling by rolling
Storage
Unpacking cubicles
Placing cubicles in a switchboard
Surface condition
Floor quality
Cubicle fastened on rails
Linking two cubicles
Assembling a MOTORPACT cubicle / MTP transition enclosure
Rack-in check
Removing the mobile part transport fixations
Installing the electric connections of the busbars and MV cables
Installing the main earth connection
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18
18
18
19
19
21
21
22
22
22
23
24
25
25
26
28
Content
Installing busbars
Installing busbars between MTP and the MOTORPACT cubicle
Placing MV cables on AD cubicle
MV cable screen earthing
LV cable routing and connection
Installing the tunnels
Installing the end sheets
29
32
34
40
41
43
48
Installation of a FU equipped with electromagnetic
locking options
51
Steps to be taken for tests and inspection
53
Tests on site
54
Earthing switch with electromagnetic locking
Rack-in prevention with electromagnetic locking
Prior to installing the front panels
51
52
52
Power frequency dielectric test
53
Checking and cocking the internal arcing detector
54
Instruction of use
Content
55
General description
56
Instructions for access to the inside of a AD cubicle
62
Steps for the tests
68
Operating Instructions
70
Corrective maintenance
87
Index
89
Warning for readers
AD cubicle
TT1, TT2 cubicles
CL-GL cubicles
Withdrawable mobile part
Identification
Read the inscriptions on the front panel
AD cubicle
Removing front protection cover plates
Removing the MV compartment separation sheet
Removing the manhole sheet
Removing and inserting fixed or withdrawable VTs
Removing the stop arc sheet in the cable compartment Accessing busbars Accessing the main contacts
Voltage presence on MV cables
MV cable tests
Extracting or inserting the mobile part
Racking-in the mobile part Racking-out the mobile part
Closing the earthing switch
Opening the earthing switch Racking-in VT fuses
Racking-out VT fuses
Preventing access using padlocks
Locking with key locks (option)
Locking with electromagnet (option)
Replacement of VT box fuses
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56
57
57
58
60
60
62
63
64
65
65
66
66
67
68
68
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75
76
77
79
81
82
83
85
86
87
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General
Glossary
Note: this document is available for all the MCset
1-2-3 units ordered from the 1st of October 2008.
UF
Functionnal Unit (cubicle + mobile part + Sepam)
AD
Incoming / feeder cubicle
CL-GL
Withdrawable line coupling cubicle
TT
Measurement and busbar earthing cubicle
MTP
Transition enclosure between an MCset cubicle
and a MOTORPACT cubicle
Switchgear and definitions
VT
Voltage transformer
CT
Current transformer or current sensor
VPIS
Voltage Presence Indicating System
LV
Low voltage
MV
Voltage class, including levels 7.2 - 12 and 17.5 kV
SMALT
Earthing switch
Mobile part
LF
SF6 withdrawable circuit breaker which is used in AD
and CL cubicles
ERT
Tool to remove/insert the mobile part from the switchgear.
The tool allows to place the mobile part on the floor.
Symbols
SMALT operation
Rack-in prevention position.
Locking possible.
Rack-in or racked-out position.
Operation position.
Open earthing switch mechanical
indicator.
Closed earthing switch mechanical
indicator.
Position can be locked using padlocks.
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General
Mobile part operation
Operation position.
“Racked-in” position.
“Racked-out” position.
Insertion / extraction position.
Recommendations
Height (H) of ceiling for installation
of an anti-arc IPX1 or IPX2 tunnel
The ceiling must be 2.6 m high for a small tunnel and 2.8 m high for a tall tunnel.
Installation above the switchboard
All installation of equipment, such as lights is forbidden to avoid walking on
the switchgears roof to replace them.
According to switchboard configuration, external extraction may be
recommended (consult us). The following constraints have to be considered:
- Exhaust duct as big as possible,
- Exhaust duct directed towards the top.
Marking
It is compulsory forbidden to walk
on the parts with this label.
It is compulsory forbidden to remove
the parts with this label when
the equipment is energised.
Standard tightening torques
(Non greased screws and bolts)
Screw
Torque in Nm
Ø 6
13
Ø 8
28
Ø 10
50
Ø 12
75
Ø 14
120
Application methods:
The elastic washers placed on
the external sides of the connections
and busbars ensure better distribution
of stress induced by the screw torque.
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General
List of bags and accessories
Cubicle unit packing or switchboard
assembled without tunnels
Packing of assembled switchboard
with tunnels
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Package
Content
Switchboard end and fixing
- Switchboard end sheets
- Fixing columns
- Bag of screws and bolts
- Wiring collector external closure
Mobile part tools
- 3 cubicle operation cranks
- 10 mm2 wire
- 1 earth fishplate and seal
Tunnels for the whole
switchboard
- Tunnels
- Bag of screws and bolts
Package (Optional)
Content
Tests and inspection
- Manual earthing kit
Spare parts
- Fuses
Optional accessories
- 1 busbar earthing truck
- 1 phase balance testing device
- 1 I and U test bar
- 1 tunnel closure kit
- 1 mobile part extraction tool
(ERT or extraction table)
Package
Content
Switchboard end and fixing
- Switchboard end sheets
- Fixing columns
- Bag of screws and bolts
- Wiring collector external closure
Mobile part tools
- 3 cubicle operation cranks
- 10 mm2 wire
- 1 earth fishplate and seal
Package (Optional)
Content
Tests and inspection
- Manual earthing kit
Spare parts
- Fuses
Optional accessories
- 1 busbar earthing truck
- 1 phase balance testing device
- 1 I and U test bar
- 1 tunnel closure kit
- 1 mobile part extraction tool
(ERT or extraction table)
Civil engineering
Content
Dimensions and weights
7
8
8
Space to be provided around a switchboard
9
Floor finishing and support members fastening
14
Incoming configuration of MV cables
15
Middle of the room mounting
Installation against a wall
Civil engineering with maintenance space
Transition enclosure MTP (Motorpact transition enclosure)
Switchboard location in the installation room
Position of MV cables
MOTORPACT cubicle
Floor finishing
Summary of different mounting methods
General information
Civil engineering with maintenance space
7
AD, CL-GL, TT cubicles (SF6 technology)
Cubicle fitted with IPX1/ IPX2 roofs
Transition enclosure MTP (Motorpact transition enclosure)
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9
10
10
11
12
13
14
14
15
15
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Dimensions and weights
Civil engineering
AD, CL-GL, TT cubicles (SF6 technology)
Cubicles with 1 or 2 CT per phase, internal arcing withstand on 4 sides
Dimensions
AD1
AD2
AD3
(2500A)
(3150A)
Width (mm) L
570
700
900
Cubicle height* (mm) H1
CL1
CL2
CL3
(2500A)
(3150A)
TT1
TT2
900
570 x 2 700 x 2 900 x 2
900 x 2
570
570
2300
2300
2300
2300
2300
2300
2300
2300
2300
2300
Total height* (mm) H2 Small tunnel 2530
2530
2530
2530
2530
2530
2530
2530
2530
2530
Total height* (mm) H2 Tall tunnel
2732
2732
2732
2732
2732
2732
2732
2732
2732
2732
Depth (mm) P
1725
1725
1725
1725
1725
1725
1725
1725
1725
1725
Weight** (kg)
900
1050
1350
1750
700 x 2 800 x 2 900 x 2
1300 x 2 550
600
Weight (kg) of VT compartment
120
130
130
130
120
130
130
130
130
120
* This dimension excludes cable flanges.
** Maximum weight fully equipped excluding tunnel.
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Civil engineering
Dimensions and weights
Cubicle fitted with IPX1/ IPX2
roofs
(e.g.: AD1 with internal arcing withstand
on 4 sides)
Dimensions
AD1 IPX1
AD1 IPX2
Width (mm) L
570
570
Cubicle height* (mm) H1
2300
2300
Total height* (mm) H2 Small tunnel 2530
2530
Total height* (mm) H2 Tall tunnel
2732
2732
Depth (mm) P
1815
2485
* This dimension excludes cable flanges.
Transition enclosure MTP
(Motorpact transition enclosure)
This gutter is factory-mounted to the right or left
of an MCset cubicle (depends on switchboard
configuration).
Dimensions
MTP
1250A
2500A
3150A
Width (mm) L
375
375
375
Cubicle height (mm) H1
2300
2300
2300
Total height (mm) H2 Small tunnel
2530
2530
2530
Total height (mm) H2 Tall tunnel
2732
2732
2732
Depth (mm) P1
1665
1665
1665
Depth (mm) P2
2335
2335
2335
Weight (kg)
240
275
310
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Space to be provided
around a switchboard
Civil engineering
Middle of the room mounting
A:
B:
C:
at least 70 mm space under ceiling
cubicle height with tunnel: 2530 mm (small tunnel) or 2732 mm (tall tunnel)
the maximum height of the switchboard support (skids or rails)must be 340 mm to allow
the insertion/extraction of the mobile part with
the ERT.
Installation against a wall
A:
B:
C:
D:
at least 70 mm space under ceiling
cubicle height with tunnel: 2530 mm (small tunnel) or 2732 mm (tall tunnel)
the maximum height of the switchboard support (skids or beams) must be 340 mm to allow
the insertion/extraction of the mobile part with
the ERT.
rear space of at least 200 mm.
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Civil engineering
Space to be provided
around a switchboard
Civil engineering with
maintenance space
AD1, AD2, AD3
A:
B:
C:
D:
E:
access to room
main earth bus
reserved floor space, if necessary,
for routing of LV cables
reserved floor space for routing
of MV cables
MV cable clamps.
(*) Minimum dimension (in mm):
This passageway is necessary to remove a cubicle.
The depth of the maintenance space must respect
the bending radius of the cables used.
Transition enclosure MTP
(Motorpact transition enclosure)
A:
B:
C:
D:
access to room
main earth bus
reserved floor space for routing
of MOTORPACT(1) MV cables
reserved floor space for routing
of MCset 1-2-3 MV cables
(1) For more details see the “MOTORPACT civil
engineering guide: 46032-700-07A”.
(*) Minimum dimension (in mm):
This passageway is necessary to remove a cubicle.
The depth of the maintenance space must respect the
bending radius of the cables used.
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Space to be provided
around a switchboard
Civil engineering
Switchboard location
in the installation room
(*): minimum dimension (in mm)
(1): AD1, CL1, TT1
(2): AD2, TT2, CL2, DI2
(3): AD3, CL3.
The L dimension is a function of the functional units
making up the switchboard.
A: this dimension must be equal to:
- 1600 mm* for operation (extraction
and positioning of moving parts)
B:
this dimension must be equal to:
- 800 mm* for a 900 mm long FU at the end
of the switchboard
- 500 mm* for all other FUs.
C: this dimension must be equal minimum to 200 mm
D: access to room
E: main earth bus of switchboard
F: closing plates.
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Civil engineering
Space to be provided
around a switchboard
Position of MV cables
AD1
Maximum Ø external cables:
Single-pole Ø 70 mm
Three-pole Ø 90 mm.
AD2
Maximum Ø external cables:
Single-pole Ø 70 mm
Three-pole Ø 90 mm.
AD3 (1250 A)
Maximum Ø external cables:
Single-pole Ø 70 mm
Three-pole Ø 90 mm.
AD3 (2500 A)
Maximum Ø external cables:
Single-pole Ø 70 mm
Three-pole Ø 90 mm.
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Space to be provided
around a switchboard
Civil engineering
AD3 (3150 A)
Maximum Ø external cables:
Single-pole Ø 70 mm
Three-pole Ø 90 mm.
MOTORPACT cubicle
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See “MOTORPACT civil engineering guide: 46032-700-07A”.
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Civil engineering
Floor finishing and support
members fastening
Floor finishing
Surface condition
Floor flatness is such that a 2 meter rule moved over all surfaces and
in all directions, does not display a difference of more than 5 mm.
Floor Strength
The floor must have a compression withstand u 33 MPa to roll the extraction
tool on it without any damage.
Summary of different fixation types
Rails fastened on the floor
By screws.
By bolts.
By welding.
By screws.
By bolts.
By welding.
Skid fastened on the floor
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Civil engineering
Incoming configuration
of MV cables
General information
The civil engineering execution and
the installation of MV cables must take
several inputs into account:
- The bending radius of the cables
- Cable slack to push and pull them
- Cable handling, according to incoming
configurations and free cable length from
its point of insertion in the maintenance
space.
Some recommendations are given
below.
Other incoming configurations are
possible, particularly if there is greater
clearance under the FUs.
Note: if the cable box is used, adapt
the depth of the maintenance space.
Should you have questions concerning
a configuration, contact your nearest
Schneider Electric representative.
Civil engineering with
maintenance space
MV cables incoming
Intended for cables up to 240 mm².
Not recommended for 630 mm² cables.
Indicative dimensions of unshielded medium-voltage (MV) dry cables:
Conductor cross section
Conductor diameter
Minimum bend
radius after assembly
1 x 240 mm²
45 mm
600 mm
3 x 240 mm²
90 mm
1500 mm
1 x 630 mm²
65 mm
1000 mm
Note: the dimensions indicated can be greater in the case of shielded medium
voltage (MV) dry cables.
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Installation
Content
Cubicle packaging
17
Handling instructions
18
Installation and operation recommendation
20
Installation instructions
21
Installation of a FU equipped with electromagnetic
locking options
51
Steps to be taken for tests and inspection
53
Tests on site
54
Cubicle unit packing
17
Land packaging
Ocean shipment packaging
Handling using a sling
Handling by rolling
Storage
18
18
18
19
19
Unpacking cubicles
Placing cubicles in a switchboard
Surface condition
Floor quality
Cubicle fastened on rails
Linking two cubicles
Assembling a MOTORPACT cubicle / MTP transition enclosure
Rack-in check
Removing the mobile part transport fixations
Installing the electric connections of the busbars and MV cables
Installing the main earth connection
Installing busbars
Installing busbars between MTP and the MOTORPACT cubicle
Placing MV cables on AD cubicle
MV cable screen earthing
LV cable routing and connection
Installing the tunnels
Installing the end sheets
Earthing switch with electromagnetic locking
Rack-in prevention with electromagnetic locking
Prior to installing the front panels
Power frequency dielectric test
Checking and cocking the internal arcing detector
16
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21
21
22
22
22
23
24
25
25
26
28
29
32
34
40
41
43
48
51
52
52
53
54
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Cubicle packaging
Installation
Cubicle unit packing
Package
Content
1
Screws and bolts for:
- Cubicle fastening on civil engineering works
- Busbar fastening
- Intercubicle fastening
- Coupling gaskets
Package (may be supplied)
- Busbar shims
- Lock associated with the cubicle
- Lock unit
2
Cable fastening (AD cubicle)
- Flange supports
- Flanges
Cable floor
- Bottom plates
- Bottom closure
- Cable support sleeves
- Bag of screws and bolts
Package (may be supplied)
- Zero frequence toroids
- Locking unit (if it exists)
- 3 surge arrester links
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3
- Busbars
- Cable connection brackets
4
- Busbar covers
17
Installation
Handling instructions
Land packaging
Functional Unit
Ocean shipment packaging
Functional unit
Cubicles packed by threes
Handling using a sling
FU with circuit-breaker
Assembled switchboard
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Handling instructions
Installation
Handling by rolling
Storage
Store the devices in their original
packaging, placed on dry ground or on
a material insulating it from humidity.
Long storage
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After long storage, clean insulating parts before operation.
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19
Installation
Installation and operation
recommendation
The switchgear’s resistance
to ageing in an MV substation
depends on 3 main factors:
Need for good implementation
of cable-end restoration:
New cold retractable or slip-on
technology offers ease of installation
that favours resistance over time.
Their design allows them to used in
polluted environments with harsh
climatic conditions.
Impact of the relative humidity
factor:
Installing a heating device is essential
in climates with high relative humidity
levels and major temperature
differences.
Operation and maintenance
It is strongly advised to periodically
carry out, a few operation cycles on
operating devices.
Outside normal conditions of use,
(between -5°C and 40°C , absence
of dust, corrosive gas, etc.), it is
recommended to examine, with our Schneider Electric
services center, the steps to be
taken, in order to ensure correct
operation of the installation.
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Ensure that draughts and / or thermal
shocks are avoided in all cubicle
compartments in order to avoid the
creation of dew points (sources of
partial discharges).
The equipment must be installed
in conformity with the relevant IEC
standard. Outside of these normal
usage conditions, we recommend
contacting Schneider Electric to
determine the operations to be carried
out as well as their frequency according
to the actual service conditions.
Ventilation control:
Grid size must be suited to the power
dissipated in the substation. These
grids must be placed exclusively
in the vicinity of the transformer, in
order to avoid air circulation on the LV
switchboard.
Our service center is at your
disposal at any time:
- To diagnose the installation,
- To offer suitable maintenance
operations,
- To offer maintenance contracts,
- To offer adaptations.
See the Maintenance guide (DEAI03).
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Installation instructions
Installation
Unpacking cubicles
The preparation of cubicles must be carried out
on the premises where they will be installed.
Remove the 4 handling lugs (1 and 2).
The circuit-breakers are delivered in cubicles
in a racked-out position.
Unpack the functional unit by removing the wooden
frame (8 screws), then the plastic cover.
Remove the cubicle packaging.
To avoid damaging the FU front panel
components, leave the protection foam
in place until the switchboard is in the
operation phase.
Placing cubicles in a switchboard
Assembling, adjusting and fastening Note: place switchboard cubicles
according to front panel drawings
and the single-line diagram.
Start by placing the cubicle located in
the middle of the switchboard (except in
the case of an extension of the existing
switchboard) then place the cubicles on
either side of it, according to the Civil
Engineering Guide indications.
Placing above the maintenance space
Do not remove any part of the cubicle.
Note: placing can be carried out by rolling or lifting.
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Installation
Installation instructions
Surface condition
Floor flatness is such that a 2 meters rule moved over all surfaces and in all
directions, does not display a difference of more than 5 mm.
Floor strength
The floor must have a compression withstand u 33 MPa to roll the extraction tool
on it without any damage.
Cubicle fastened on rails
Note: remove the front panel if the cubicle is fitted with VT, it is first necessary
to remove them, see the chapter “Instructions for access to
the interior of a cubicle”.
Fixation at the front of the cubicle
Pick from the two hardware bags B
and C.
Place the screws and tighten them.
Pick from the two hardware bags A
and B.
Place the screws and tighten them.
Fixation at the rear of the cubicle
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Installation instructions
Installation
Linking two cubicles
Installing the inter cubicle gasket
Access to the fastening points:
See chapter ”Instructions for access to the interior
of a cubicle” and the chapter ”Removing the mobile
part transportation devices”.
Place the self-adhesive inter cubicle
gasket along the full height of the right
side of the cubicle, except on the top
wireway of the cubicle.
This operation is not necessary for
the cubicle at the right extremity
of the switchboard.
Install the second cubicle on the floor
as described before.
Assemble the 2 cubicles together
(11 fastening points).
Assembling cubicles
The lifting rings and its associated
cage nuts must be removed.
A: assembly of HM8 x 30 screws + M8 washers
and HM8 nut.
B: assembly of HM8 x 16 screws + M8 washers
and M8 cage nuts.
C: assembly of HM6 x 16 screws + M6 washers
and HM6 nut + M6 washers.
AFLR Internal Arc option:
D: assembly of 6 screws H M8 + M8 washers
+ HM8 nuts + M8 washers.
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Installation
Installation instructions
Assembling a MOTORPACT
cubicle/ MTP transition enclosure
Left-hand assembly
Right-hand assembly
Implementation:
1: disassemble the transition enclosure
front E and rear panel
2: open the top and bottom front doors
of the Motorpact
3: remove the central front cover D
of Motorpact by removing
the 4 screws
4: remove the rear panels of
the Motorpact compartments:
see manual (46032-700-08),
Installation guide
5: install screws A, nuts B and washers C as shown opposite.
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Installation
Installation instructions
Rack-in check
Each time a cubicle is linked to another
one, check that the mobile can be
racked-in and locked in position
properly.
Removing the mobile part
transport fixations
To extract the mobile part and to open the door, refer to operating manual
in the chapter on “Operating instructions”.
The operations described here after, must only be carried out once the cubicle
has been placed and secured on the floor.
For the insertion and rack-in
of the mobile part as well as closing
the door, refer to the operating manual
(07897302) in the chapter on
“Operating instructions“.
Do not operate the mobile parts before removing the transport
fixations.
On LF circuit breaker
1: remove the 2 transport fixations
(3 screws per fixation)
2: place the 4 screws and washers to fix the CB
front cover. Tightening torque: 8.5 Nm.
3: remove the warning label:
On a ROLLARC contactor
1: remove the 2 transport fixations
(3 screws per fixation)
2: place the 4 screws and washers to fix the CB
front cover. Tightening torque: 8.5 Nm.
3: remove the warning label:
On an EVOLIS circuit-breaker
1: remove the front panel screws
2: extract the circuit breaker (out of the cubicle)
3: remove the top fixation with access
via the LV compartment
4: remove the fixation circuit breaker.
Tightening torque: 8.5 Nm.
5: remove the warning label:
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25
Installation
Installation instructions
Installing the electric connections
of the busbars and MV cables
General information
Assemblies with bolts for MV and LV
internal equipment.
Screws and bolts to be used:
Class 8.8 according to standard
NF E 27 005, i.e. an elastic limit,
Re ­ 630 Mpa.
Connection maintenance:
During downtime, check the connection
torque with a torque wrench.
In the case of disassembly, change
the elastic washers.
Note: to carry out the following
preliminary switchboard operations see
chapter “Instructions for access to
the interior of a cubicle”.
Cubicle AD and CL without VT
Preliminary operations
to be carried out
Placing
busbars
Placing MV
cables
Extraction of the mobile part
(Optional)
Close the earthing switch
Remove the front panel
protective cover plates
Remove the separation sheet from
the MV compartment
(Optional)
Remove the busbar access sheet
Remove the manhole sheet
Cubicle AD and CL with fixed VT
Preliminary operations
to be carried out
Placing
busbars
Placing MV
cables
Extraction of the mobile part
(Optional)
Close the earthing switch
Remove the front panel protective
cover plates
Remove the fixed VTs
Remove the separation sheet from
the MV compartment
(Optional)
Remove the busbar access sheet
Remove the manhole sheet
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Installation instructions
Installation
Cubicle AD and CL with withdrawable VT
Preliminary operations
to be carried out
Placing
busbars
Placing MV
cables
Extraction of the mobile par
(Optional)
Withdraw the VT fuses
Close the earthing switch
Remove the front panel protective
cover plates
Remove the withdrawable VTs
Remove the separation sheet from
the MV compartment
(Optional)
Remove the busbar access sheet
Remove the manhole sheet
TT cubicle with fixed VTs
Preliminary operations
to be carried out
Placing
busbars
Placing MV
cables
Remove the front panel
protective cover plates
Remove the fixed VTs
Remove the separation sheet from
the MV compartment
(Optional)
Remove the busbar access sheet
Remove the manhole sheet
TT cubicle with withdrawable VT
Preliminary operations
to be carried out
Placing
busbars
Placing MV
cables
Withdraw VT fuses
Close the earthing switch
Remove the front panel
protective cover plates
Remove withdrawable VTs
Remove the separation sheet from
the MV compartment
(Optional)
Remove the busbar access sheet
Remove the manhole sheet
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27
Installation
Installation instructions
Installing the main earth
connection
Inter-cubicles
Note: this connection can be done during the
installation of each cubicle or at the end of
switchboard assembly.
For a switchboard with a MOTORPACT cubicle at the
end, refer to MOTORPACT installation manual ref.
46032-700-08.
A: located at the base of the cubicle
B: located in the middle of the cubicle.
Pick the self adhesive gasket from
the hardware bag.
Place this gasket around the link.
Install the link by sliding it from cubicle
2 to cubicle 1.
Place the bolt and tighten it.
Use only screws HM8x30.
28 Nm tightening torque.
Stick the gasket onto the cubicle sheet
as shown in A.
From the switchboard to the building’s
earth
Note: during the installation of the end sheets
punch the knock-outs from the sheets.
For a switchboard with a MOTORPACT cubicle at the
end, refer to MOTORPACT installation manual ref.
46032-700-08.
Connect the earth bar to the building’s earth at the end of the switchboard, on the
right and on the left, place the specific link with the oblong hole inside the cubicle.
Tighten with a torque of 28 Nm.
28
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Installation
Installation instructions
Installing busbars
This connection is done during
the installation of each cubicle.
Access the busbars through the cubicle
side. If this is not possible, access
through the interior of the cubicle
(refer to chapter on “Instructions for
access to the interior of a cubicle”).
Retrieve;
- The main busbar in the cubicle
packaging
- The busbar shims and hardware
bag in the cubicle packaging.
Place the busbar between the 2
previously assembled cubicles
(refer to chapter on “Principle
of assembling busbars”).
Tighten the fixation screws from
the head side.
50 Nm tightening torque.
Repeat these operations each time
a switchboard cubicle is placed.
Principle of assembling busbars
1250 A busbars
A: top view of busbars
B: 1 x (100 x 8) bar per phase
C: nut
D: conical contact washer
E: flat washer
F: M10 x 40 screws.
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29
Installation
Installation instructions
2500 A busbars
A: top view of busbarss
B: 2 x (100 x 8) per phase
C: nut
D: conical contact washer
E: flat washer
F: M10 x 55 screws
G: 3 hole shim
H: 6 hole shim.
A: top view of busbarss
B: 3 x (100 x 8) per phase
C: nut
D: conical contact washer
E: flat washer
F: M10 x 70 screws
G: 3 hole shim
H: 6 hole shim.
3150 A busbars
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Installation instructions
Installation
3600 A / 4000 A busbars
A: top view of busbars
B: 4 x (100 x 8) per phase
C: nut
D: conical contact washer
E: flat washer
F: M10 x 85 screws (special)
G: 3 hole shim
H: 6 hole shim.
Cover assembly principle
(depending on needs)
Retrieve: from package 4 of the cubicle packaging, the covers.
Assembling the covers with clips
Place the half-covers on
the main busbar connections.
Close the covers on the bars.
Close the covers on the bars by
tightening the wire ties through
the notches.
Place the half-covers on the busbar
connection.
Mounting the covers with wire ties
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31
Installation
Installing busbars between MTP
and the MOTORPACT cubicle
Installation instructions
MOTORPACT
to the right
MOTORPACT
to the left
MOTORPACT
to the right
MOTORPACT
to the left
1250 A busbars
A: nut
B: contact washer
C: flat washer
D: M10 x 40 screws
E: 1 x (76 x 9,5) per phase
F: 2 holes shim
G: M10 x 60 screws
H: 1 hole shim.
Note: for phase 3, the connection bar on the transition
enclosure side is fastened to an insulator support.
2500 A busbars
A: nut
B: contact washer
C: flat washer
D: M10 x 55 screws
E: 2 x (76 x 9,5) per phase
F: 1 hole shim
G: M10 x 70 screws.
Note: for phase 3, the connection bar on the transition
enclosure side is fastened to an insulator support.
32
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Installation instructions
Installation
3150 A busbars
MOTORPACT
to the right
MOTORPACT
to the left
A: nut
B: contact washer
C: flat washer
D: M10 x 70 screws
E: 3 x (76 x 9,5) per phase
F: 1 hole shim
G: M10 x 80 screws.
Note: for phase 3, the connection bar on the transition
enclosure side is fastened to an insulator support.
Optional insulated busbars
MTP - Top views
Assembling the covers:
A: install a wire tie around the busbar,
inside the cover (used to block the cover
in position)
B: close the cover with wire ties
C: close the cover with the clips
D: fit the entire cover assembly with clips.
For cover assembly, refer to the chapter
“Cover mounting principle”.
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33
Installation
Installation instructions
Placing MV cables on AD cubicle
General information
An explanation is given for all types of cables.
Retrieve: from package 2 of the cubicle packaging,
floor plates, cable support and hardware bag.
A: 3 single-pole cables
B: 1 tri-pole cable.
To access the interior of a cubicle
(see chapter “Instructions for access to the interior
of a cubicle ”)
Cut cable glands according to
the number and diameter of cables.
Install them around the cables.
Fix the flange support under the cubicle
floor and block the cables with halfflanges.
Reassemble bottom plates.
Refer to manufacturer instructions
for cable termination.
MV cable maintenance
Successively assemble, after having installed a row
of cables:
- Cable support
- Flanges
- Floor plates.
Fix the flange support under the floor,
after placing the cables vertical to
their attachment bracket.
Only qualified personnel are to
perform cable terminations and cable
installation. Workers must be aware
and understand the hazards involved
in working with medium voltage
circuits. Neglecting fundamental
installation requirements may lead
to personal injury, as well as damage
to electrical equipment or other
property.
Cable termination height
Make sure that the cable dielectric
insulation does not contact any
grounded metal parts or other
phases.
The grounded metallic support
must be in contact with the external
protective cable sheath.
Type of cubicle
Configuration
AD1 - AD2
630 A
1250 A
AD3
1250 A
2500 A
3150 A
34
Fill in the openings that have not been
used with uncut cable glands.
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H (mm)
LV toroids
621
1 set of 3 CTs
540
2 sets of 3 CTs
507
LV toroids
621
1 set of 3 CTs
525
2 sets of 3 CTs
507
1 set of 3 CTs
525
2 sets of 3 CTs
507
1 set of 3 CTs
405
2 sets of 3 CTs
405
1 set of 3 CTs
383
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Installation instructions
Installation
Surge arrester
This operation must only be carried out after dielectric tests,
and before the connection of medium voltage cables to the FU.
See chapter “Placing MV cables on AD cubicle”.
Removing
In the case of an AD1 or AD2 cubicle
fitted with a surge arrester, access
to the cable compartment through
the front requires removal of the
surge arrester assembly.
1: remove the busbar surge arrester connection
2: remove the insulator support.
Installing
Carry out the operations in the reverse order
of removal.
Tightening torque B: 50 Nm
E: 20 Nm.
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35
Installation
Installation instructions
Single-pole or three-pole cable without
toroid TC
Drill a hole in bracket A according
to the cable head to be connected.
Place and fix bracket A.
AD1 and AD2, 1, 2 or 3 cables per phase
An explanation is given for one phase.
Do the same for the two other phases.
Retrieve: in the cubicle packaging,
the bracket and the hardware.
Connect the cables.
Apply standard tightening torque depending
on the diameter of the bolt.
B: 50 Nm tightening torque.
Note: assembly sequence of the bolts
for the bracket:
1: M10 x 30 screws
2: M10 washer
The cable support is installed after the row of cable
is installed (see chapter on “MV cable maintenance
on AD cubicle”).
3: M10 nuts.
Dielectric tests must be carried out before
connecting the surge arresters.
For the connection of surge arresters, refer to chapter
on “Surge arresters”.
Place and fix brackets A, C and D.
B: 50 Nm tightening torque.
Connect the cables.
Apply standard tightening torque depending
on the diameter of the bolt.
The cable support is installed after the row of cable
is installed (see chapter on “MV cable maintenance
on AD cubicle”).
Dielectric tests must be carried out before
connecting the surge arresters.
For the connection of surge arresters, refer to chapter
on “Surge arresters”.
AD3, 1 to 4 cables per phase
Remove the bars.
36
Drill a hole in the bars according to the
cable heads to be connected.
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Installation instructions
Installation
Put back the bars with new washers.
Install the cable lugs inside the bars
and place the screw head outside
the bars.
Apply standard tightening torque
depending on the diameter of
the bolt.
A: screw
B: washer
C: nut
D: lug.
Dielectric tests must be carried
out before connecting the surge
arresters.
For the connection of surge arresters,
refer to chapter on “Surge arresters”.
Tightening torque:
B: 50 Nm
E: 20 Nm.
AD3 3150 A/ 4000 A up to 8 cables
per phase
Remove the bars.
Drill a hole in the bars according to the
cable heads to be connected.
Put back the bars with new washers.
Install the cable lugs inside the bars
and place the screw head outside
the bars.
Apply standard tightening torque
depending on the diameter of
the bolt.
Dielectric tests must be carried
out before connecting the surge
arresters.
A: screw
B: washer
C: nut
D: lug.
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For the connection of surge arresters,
refer to chapter on “Surge arresters”.
Tightening torque:
B: 50 Nm
E: 20 Nm.
37
Installation
Installation instructions
Single-pole cable with toroid CT
on cubicle AD1 and AD2
AD1 and AD2, 1 or 2 cables per phase
The explanation is given for one phase.
Do the same for the two other phases.
Retrieve: in package of the cubicle packaging,
links A and hardware.
Drill a hole in link A according to
the cable head to be connected.
Place and fix link A.
50 Nm tightening torque.
Note: assembly sequence of the bolts
for the link:
1: M10 x 30 screws
2: M10 washers
3: M10 nuts.
AD1 1 cable per phase
Place phase 2 cable in the toroid.
The explanation is given for one phase.
Do the same for the two other phases.
Note: assembly sequence of the bolts for the cable
heads:
Connect the cables on the link.
Apply standard tightening torque
depending on the diameter of
the bolt.
1: M10 x 30 screws
2: M10 washers
3: M10 nuts.
38
The cable support is installed after
the row of cable is installed
(see chapter on “MV cable
maintenance on AD cubicle”).
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BBV19342.indd
Installation instructions
AD2 1 cable per phase
Place the cables through the toroids.
Note: assembly sequence of the bolts for the cable
heads:
1: M10 x 30 screws
2: M10 washer
3: M10 nuts.
Connect the cables.
Apply standard tightening torque
depending on the diameter
of the bolt.
After having installed a row of cables,
then assemble the support flange
(see chapter on “MV cable
maintenance on AD cubicle”).
AD2 2 cables per phase
AD3 2 cables per phase
Place the cables through the toroids.
Note: assembly sequence of the bolts for the cable
heads:
1: M10 x 30 screws
2: M10 washer
3: M10 nuts.
Connect the cables.
Apply standard tightening torque
depending on the diameter of
the bolt.
Dielectric tests must be carried
out before connecting the surge
arresters.
After having installed a row of cables,
then assemble the support flange
(see chapter on “MV cable
maintenance on AD cubicle”).
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39
Installation
Installation instructions
MV cable screen earthing
For single-pole or two-pole toroid CT
The braid connection is done inside
the cubicle.
In all cases, the insulated MV cable
screen braids must go through
the toroids before connection to
the switchboard main earth bar.
In all cases, the MV cable screen braids
must be insulated and go through the
zero frequence toroid before connection
to the switchboard’s earth.
The braid earth connection is done
on the switchboard earth bars inside
the maintenance space.
Example: one cable per phase, 3 braids
to be connected. Two cables per phase,
6 braids to be connected.
For zero frequence toroid
Example of cable installation:
A:1 three-pole cable
1 cable per phase
3 earthing braids
B:2 three-pole cables
2 cables per phase
6 earthing braids
C:3 single-pole cables
1 cable per phase
3 earthing braids
D:6 single-pole cables
2 cables per phase
6 earthing braids.
40
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Installation instructions
Installation
LV cable routing and connection
2 versions of top wireway:
Standard height LV box
Remove the roof on each cubicle
(6 screws).
Remove the cubicle cable troughs.
Place the power supply lead cable
inside the trough. Connect the wiring
from the power supply lead cable for
each cubicle through the cable glands.
Place back the trough.
Connect the wiring to the terminal
blocks.
Place the power supply lead cable
at the top of the LV boxes of the
switchboard.
Connect the wires to the terminal blocks.
Reassemble the roofing sheets
(6 screws per sheet).
High LV box
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41
Installation
Installation instructions
Incoming cables from below, cubicle by cubicle
Remove the cable trough.
Cut according to the number
and the diameter of the cables.
(maximum 5 diameters 20 mm)
at the base of the cable trough.
Thread the wiring as well as feeder
cables up to the LV compartment.
Place the wires on the terminal blocks.
42
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Installation instructions
Installation
Installing the tunnels
4 side anti arc tunnel IPX1
High LV box
A: front of the cubicle
B: HM6 screws + M6 washers
C: HM6 screws + M6 washers and HM6 nuts.
D: HM6 screws + M6 sealing washers and HM6 nuts.
1/ First fix the supports (1) (with bottom holes),
(2 and 3) (without bottom holes) onto the cubicle
using the screws (B).
2/ Fix the roof (4) to the support (1, 2 and 3)
with the bolts (D) (the sealing washers are placed outside to avoid leakage).
3/ Fix the tunnels of each cubicle together with
the bolts (C).
4 side anti arc tunnel IPX2
High LV box
A: front of the cubicle
B: HM6 screws + M6 washers
C: HM6 screws + M6 washers and HM6 nuts.
D: HM6 screws + M6 sealing washers and HM6 nuts.
1/ First fix the supports (1) (with bottom holes),
(2 and 3) (without bottom holes) onto the cubicle
using the screws (B).
2/ Fix the roof (4) to the support (1, 2 and 3)
with the bolts (D) (the sealing washers are placed outside to avoid leakage).
3/ Fix the tunnels of each cubicle together with
the bolts (C).
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43
Installation
Installation instructions
4 sides anti arc tunnel IPX1
Standard Height LV box
A: front of the cubicle
B: HM6 screws
C: HM6 screws + M6 washers and HM6 nuts.
D: HM6 screws + M6 sealing washers and HM6 nuts.
1/ First fix the sheets (1) without bottom hole
at the back and the sheets (3) with bottom hole
at the front onto the cubicle using four screws (B) for MCset 1 and six screws (B) for MCset 2
and MCset 3 for each sheet.
2/ Fix the roof (2) onto the sheet (1 and 3) using
two screws (D) for MCset 1 and three screws (D) for MCset 2 and MCset 3.
3/ Fix the tunnels of each cubicle together using
5 screws according to the vue (C).
4 sides anti arc tunnel IPX2
Standard Height LV box
A: front of the cubicle
B: HM6 screws
C: HM6 screws + M6 washers and HM6 nuts.
D: HM6 screws + M6 sealing washers and HM6 nuts.
1/ First fix the sheet (1) without bottom hole
at the back and the sheet (3) with bottom hole
at the front onto the cubicle using four screws (B) for MCset 1 and six screws (B) for MCset 2
and MCset 3 for each sheet.
2/ Fix the feet (4) onto the cubicle using two screws (B).
3/ Fix the roof (2) onto the sheet (1) and (3) using
two screws (D) for MCset 1 and three screws (D) for MCset 2 and MCset 3.
4/ Fix the roof (2) on the feet (4) using two screws (D).
5/ Fix the tunnel of each cubicle together
using 5 screws according to the vue (C).
44
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BBV19342.indd
Installation instructions
Installation
4 sides anti arc tunnel end IPX1/ IPX2
High LV box
A: rear of the cubicle
B: front of the cubicle
C: HM6 screws
D: HM6 screws + M6 washers and HM6 nuts.
1/ Fix the sheets (1 and 2) onto the cubicle
using the screws (C).
2/ Fixing the sheet (1) onto the tunnel
and on the sheet (2) with the screws (D).
3/ Fixing the sheet (2) onto the tunnel
with the screws (D).
4 sides anti arc tunnel end IPX1/ IPX2
Standard Height LV box
A: front of the cubicle
B: rear of the cubicle
The sheets are fixed with HM6 screws + M6 washers
and HM6 nuts.
1/ Fix the sheet (1) onto the cubicle and onto
the tunnel.
2/ Fix the sheet (2) onto the tunnel feet at the front.
3/ Fix the sheet (3) onto the cubicle, the tunnel
and the sheet (1).
4/ Fix the sheet (4) onto the sheet (1).
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45
Installation
Installation instructions
Installing a tunnel on a MTP transition
enclosure
Next to a MCset with the High LV Box for IPX1/IPX2
A: HM6 screws + M6 washers and HM6 nuts.
B: HM6 screws + M6 sealing washers and HM6 nuts.
1/ Mount the support sheets (1) first.
2/ Mount the side panel (2).
3/ Fasten together the support sheets of each cubicle.
4/ Mount the roof (3).
5/ Mount the tunnel closing sheets in the front
and rear (4).
6/ Fasten together the tunnel roofs of each cubicle
Next to a MCset with the standard height LV Box
for IPx1
The sheets are fixed with HM6 screws + M6 sealing
washers and HM6 nuts (A):
1/ Mount the support sheets (1) first.
2/ Mount the side panel (2).
3/ Fasten the support sheets of each cubicle together.
4/ Mount the roof (3).
5/ Mount the tunnel closing sheets to the front
and rear (4).
6/ Fasten the tunnel roof of each cubicle together.
46
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Installation instructions
Installation
Next to a MCset with the standard height LV Box
for IPx2
The sheets are fixed by HM6 screws + M6 sealing
washers and HM6 nuts (A):
1/ Mount the support sheets (1) first and the feet (5).
2/ Mount the side panel (2).
3/ Fasten the support sheet of each cubicle together.
4/ Mount the roof (3).
5/ Mount the tunnel closing sheets at the front
and rear (4).
6/ Fasten the tunnel roof of each cubicle together.
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47
Installation
Installation instructions
Installing the end sheets
On the left end cubicle, place the cage nuts
on the sides.
For internal arc switchboards, stick the self adhesive
gasket (A) along the front of the switchgear for both
end sheets
Note: operations are identical for the right or left ends
of the switchboard.
Make sure that the busbar end cover
is assembled before mounting
the switchboard’s end covers.
On the left and right end cubicles, place and screw
(M8 screw) the end sheet support beams.
Assembling cover panels of cubicle ends
Punch the knock-out at the panel bottom to let
the earth bus to go through it (1 per panel).
48
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BBV19342.indd
Installation instructions
Installation
Note: operations are identical for the right or left ends
of the switchboard.
On the right end panel, place the cage nuts at
the front line.
Assemble the end cover panels 1 and 2
(right and left end of the switchboard).
A: HM8 screws+ M8 washers
B: HM6 screws+ M6 washers
D: assembly of HM8 x 30 screws + M8 washers
and HM8 nut + M8 washers.
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49
Installation
Installation instructions
D: assembly of HM8 x 30 screws + M8 washers
+ HM8 nut + M8 washers.
E: assembly of HM8 x 6 screws + M8 washers
+ HM8 nuts + M8 washers.
Standard height LV Box
(Top wireway closing sheet)
Place the top wireway closing sheet 4.
Place the two screws to fix the top wireway
closing sheet.
Pop the 2 rivets to fix the operating handle support
at the front of the end sheets.
Store the operating handle in the front end panel.
50
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Installation
Installation of a FU equipped with
electromagnetic locking options
Earthing switch with
electromagnetic locking
To rack-in and rack-out the circuit
breaker, the earthing switch must be
operated.
FU delivered with the earthing switch
closed
At the installation of the FU,
the electromagnetic locking is not yet
enegised, it must be manually released
in order to operate the earthing switch.
Initial status:
- The earthing switch is closed,
- Selector 4 is in the locked closed
position.
Opening the earthing switch
without auxiliary supply
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Disassemble the VPIS without
disconnecting the wiring.
Insert a screwdriver via the box hole.
Push back and hold in place
the electromagnet (A) using the
screwdriver, then pull towards you
and turn the selector to the right in the
operation position.
Open the earthing switch, inserting
the crank in reference 5 until the
mechanical indicator light changes
status.
Position selector 4 in the locked open
position.
Put back the VPIS.
51
Installation
Installation of a FU equipped with
electromagnetic locking options
Rack-in prevention with
electromagnetic locking
Initial status:
- The circuit-breaker is in the racked-out position.
- The earthing switch is closed.
- The front panel is disassembled to access cable
connections.
The locking system is accessible
as per the arrow in the drawing
opposite.
To access the cable connection
compartment, circuit-breaker rack-in
must be prevented.
At the installation of the FU, the
electromagnetic lock is not energised,
it must be manually released in order
to place the front panel when the
operations are complete.
Prior to installing the front panels
If lever (A) is positioned as per figure 1, locking is
active and prevents installation of the front panel.
To desactivate the locking, insert a tool (screwdriver)
into the hole placed under the box support and push
the electromagnet rod (B).
Push the lever (A) to position it as per figure 2.
The system is released and the front panel can be
placed back.
Figure 1
Figure 2
52
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Installation
Steps to be taken
for tests and inspection
Power frequency dielectric test
This test can be carried out in one
single operation.
This procedure requires to defeat
the interlocks.
All circuit-breakers must be racked-in,
closed, with FU doors open.
It is essential to follow the sequences
here after.
All the VT’s and surge arresters must
be disconnected during this test.
The insulation level of the switchgear
can be tested on site. The test voltage
shall be 80 % of the rated shortduration power-frequency withstand
voltage of the switchgear as specified
in clause 7.105 of IEC 62271-200.
This test must be performed
by trained & authorized people.
More over, one of the FU feeder must
have its lower panel open to connect
the test cable.
Defeating Interlocks
Rack-in the circuit breaker
(refer to the operating manual).
On FUs not connected to the generator
Remove the shim.
Place the circuit-breaker in the test position,
with the door open.
Raise and block the door lock rod using
a 55 mm U shim.
Surge arrester connection
Press the pushbutton ”I” to close the
circuit-breaker
This operation must only be carried out after dielectric tests,
and before the connection of medium voltage cables to the FU.
Place and fix the connection of each surge arrester.
Refer to the chapter on MV cable connection.
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53
Installation
Tests on site
Checking and setting up
the internal arcing detector(1)
This operation has to be made during assembly of the
tunnels (option) or during operation on the roof of the
cubicle.
The internal arcing detector is located
on the roof of the cubicle.
To be operational, it must be in spring
loaded position.
(1) The internal arcing detector is mounted according
to the internal arcing withstand characteristics of the
cubicle.
Setting up the internal arcing detector:
- Push the metal rod (1) toward
the back of the cubicle,
- Hook the rod (1) on the support (2).
1: metal rod,
2: support.
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Instruction of use
Content
General description
56
56
57
57
58
60
60
Instructions for access to the inside of a AD cubicle
62
Steps for the tests
68
Operating Instructions
70
Corrective maintenance
87
AD cubicle
Removing front protection cover plates
Removing the MV compartment separation sheet
Removing the manhole sheet
Removing and inserting fixed or withdrawable VTs
Removing the stop arc sheet in the cable compartment Accessing busbars Accessing the main contacts
Voltage presence on MV cables
MV cable tests
Extracting or inserting the mobile part
Racking-in the mobile part Racking-out the mobile part
Closing the earthing switch
Opening the earthing switch Racking-in VT fuses
Racking-out VT fuses
Preventing access using padlocks
Locking with key locks (option)
Locking with electromagnet (option)
Replacement of VT box fuses
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56
Warning for readers
AD cubicle
TT1, TT2 cubicles
CL-GL cubicles
Withdrawable mobile part
Identification
Read the inscriptions on the front panel
62
63
64
65
65
66
66
67
68
68
70
75
76
77
79
81
82
83
85
86
87
55
Instruction of use
General description
Warning for readers
As the MCset range is very extensive and presents a vast number of front panel
options, we have decided to present a Functional Unit presentation equipped with
the maximum switchgear.
AD cubicle
AD1 630/1250 A
AD2 630/1250/1600 A
AD3 2500/3150 A
Incomer/Feeder
without VT or with fixed VT
Incomer/Feeder
with withdrawable VT fuses
A: access to inter-cubicle wiring for High LV box switchgears
B: LV compartment door
C: protection, monitoring, control by Sepam
D: compartment door mobile part
E: position inspection windows of the mobile part
F: handrail
G: operation plate and padlocking of the mobile part
H: voltage indicators
I: earthing switch operation and locking plate
and padlocking of the mobile part
J: access panel to connection compartment of MV cables or withdrawable VT fuses
K: operation and padlocking plate of withdrawable VT fuses.
L: visualisation windows of cables or of VT fuse position.
56
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BBV19342.indd
General description
Instruction of use
TT1, TT2 cubicles
Voltage transformers
with withdrawable fuses
Voltage transformers
without VT or with fixed VT
A: access to inter-cubicle wiring for High LV box switchgears
B: LV compartment door
C: fixed busbar bridge compartment door
D: visualisation windows
E: handrail
F: voltage indicators
G: earthing switch operation and locking plate
and padlocking of the mobile part
H: operation and padlocking plate of withdrawable
VT fuses
I: visualisation windows of cables or of VT fuse position
J: access panel to connection compartment of MV cables or withdrawable VT fuses.
CL-GL cubicles
Circuit-breaker
coupling cubicle
Bus riser cubicle
With upstream or downstream VT
with withdrawable fuses
A: access to inter-cubicle wiring for High LV box switchgears
B: LV compartment door
C: protection, monitoring, control by Sepam
D: compartment door mobile part
E: position inspection windows of the mobile part
F: handrail
G: operation plate and padlocking of the mobile part
H: voltage indicators
I: earthing switch operation and locking plate
and padlocking of the mobile part
J: operation and padlocking plate of withdrawable
VT fuses
K: visualisation windows of cables or of VT fuse position
L: access panel to withdrawable VT fuses and to the lower busbar compartments
M: fixed busbar bridge compartment door.
BBV19342.indd
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57
Instruction of use
General description
Withdrawable mobile part
LF1
LF2
LF3
Disconnector truck LF
Note: available in 3 widths.
58
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General description
Instruction of use
Busbar earthing truck LF
Note: option available in 3 widths.
ROLLARC 400
Evolis
Note: available in 3 widths.
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59
Instruction of use
General description
Identification
Ex : AD functional unit
A: name of the cubicle
B: manufacturer’s label
C: characteristics, designations and serial number.
LF withdrawable mobile part
D: characteristics, designations and serial number.
Rollarc withdrawable mobile part
E: characteristics, designations and serial number.
Evolis withdrawable mobile part
F: characteristics, designations and serial number
G: location of operating instructions (behind the cover).
Read the inscriptions on the front
panel
A:
B:
C:
D:
60
procedure pictogram
withdrawable mobile part
earthing switch plate
withdrawable fuse voltage transformer plate.
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BBV19342.indd
General description
Instruction of use
Procedure pictogram
1: mobile part operation
2: earthing switch operation.
Mobile part
1:
2:
3:
E:
F:
mechanical opening push-button
mobile part position selector
opening for inserting mobile part operating handle
mechanical indicator for indication of the mobile part position
location for disconnector truck lock (optional).
Cubicle
Earthing switch, voltage presence and rack-in
prevention
4 : earthing switch position selector
5 : opening for the insertion of the earthing switch operating handle
G :voltage presence
H :rack-in prevention selector switch
L :mechanical indicator of earthing switch status
M :location for rack-in prevention lock
N :location for earthing switch locks.
Withdrawable voltage transformer
6 : position selector for voltage transformer
withdrawable fuses
7 : opening for the insertion of the voltage transformer withdrawable fuse operating handle.
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61
Instruction of use
Instructions for access
to the inside of a AD cubicle
AD cubicle
Markings
above
Access
1
To the lower compartment via the maintenance space or gutter
(access to CT’s also).
2
Rear (removal is optional and is not secured by interlocks).
3
Facilitates access to cables (AD cubicle ), through the front
(access to Ct’s also).
4
To the busbars (not possible for TT cubicle).
4 and 5
To the rear inter cubicle fastening screws.
This sheet must be reassembled before installation of busbars.
6
To the lower compartment through the front
(access to CT’s and VT’s also).
7
To the mobile part.
8
To low voltage box.
All operations described hereafter must be carried out in compliance
with the safety standards in force, under the responsibility
of a competent person.
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Instructions for access
to the inside of a AD cubicle
Instruction of use
Removing front protection cover
panels
Cubicle with or without fixed voltage
transformer (VT)
In case upstream VT, presence
of voltage in the cables compartment
even if the circuit-breaker of
the switchgear is racked-out.
Close earthing switch (see chapter
“Closing the earthing switch”).
In the case of a cubicle equipped
with a fixed VT.
It is recommended to padlock it in this
position (see chapter “Padlocking and
preventing access using padlocks”).
Open the protection switch of the VT
secondaries which is located in
the troughs or in the LV box.
Closure
To put back into operation, carry out
operations in the reverse order of
removal (closed earthing switch).
Remove the panel (10 screws).
Cubicle equipped with voltage
transformer with withdrawable fuses
Withdraw VT fuses (see chapter
“Racked-out VT fuses”).
In case upstream VT, presence
of voltage in the cables compartment
even if the circuit-breaker of
the switchgear is racked-out.
Close earthing switch (see chapter
“Closing the earthing switch”).
It is recommended to padlock it in this
position (see chapter “Padlocking and
preventing access with padlocks”).
BBV19342.indd
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63
Instruction of use
Instructions for access
to the inside of a AD cubicle
Open the protection switch of the VT
secondaries which is located in
the troughs or in the LV compartment.
Remove the access panel to the Vt’s
fuses (6 screws).
Remove the L bracket at the front
of the cubicle (4 screws and 2 nuts).
Remove the access panel to
the connection compartment of MV
cables (4 screws).
Closure
To put back into operation, carry out
operations in the reverse order of
removal (closed earthing switch).
Removing the MV compartment
separation sheet
Remove the circuit-breaker (see chapter “Removing
and inserting the mobile part”).
Remove screws A and remove
the separation sheet from the MV
compartment.
Closure
64
To put back into operation, carry out operations in the reverse order of the removal.
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BBV19342.indd
Instructions for access
to the inside of a AD cubicle
Instruction of use
Removing the manhole sheet
On a cubicle equipped with VTs,
remove them.
Remove the screws and remove
manhole sheet.
Access to the connection compartment
of MV cables is possible via the
maintenance space at the cubicle
manhole level.
Likewise, it is possible to access the
maintenance space or gutter through
the inside of the cubicle.
See chapter “Instructions for access
to the inside of a cubicle”.
Closure
To put back into operation, carry out operations in the reverse order of removal.
Removing and inserting fixed
or withdrawable VTs
Fixed VTs
On each VT, disconnect the connection
bar, by unscrewing the screw and lift
the connection bar.
Similar operation whatever type of VT
Closing the MV connection
compartment
BBV19342.indd
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Disconnect the VT low voltage
connector.
Remove the VTs using the handle.
To put back into operation,
carry out operations in the reverse
order of removal.
For fixed VTs:
tightening torque on VT: 30 Nm.
65
Instruction of use
Instructions for access
to the inside of a AD cubicle
During the first VT
insertion, cut and
remove the wire ties
on the connector.
Connect the VT low voltage connector.
Removing the stop arc sheet
in the cable compartment
This sheet MUST be reassembled
before the cubicle is re-energized.
Remove the 6 fixation screws (A)
in order to take off the sheet.
Accessing busbars
Safety rules
All operations described hereafter must be carried out
in compliance with the safety standards in force, under
the responsibility of a competent person.
Upper
For access to busbars, see chapter “Instructions for access to the inside of the
cubicle”.
Lower
Access to lower busbars is possible through the maintenance space by removing
the cubicle manhole sheet.
See chapter “Instructions for access to the inside of the cubicle”.
66
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BBV19342.indd
Instructions for access
to the inside of a AD cubicle
Instruction of use
Accessing the main contacts
Safety rules
All operations described hereafter must be carried out
in compliance with the safety standards in force, under
the responsibility of a competent person.
Opening and closing lower shutters
Using a screwdriver, raise the flat
spring to release the lock.
Push the ball into the link axis.
The shutters will fall and will lock
in the down position.
To close, pull the the shutters up until
they lock.
Using a screwdriver, raise the flat
spring to release the lock.
Push the ball into the link axis.
The shutters will fall and will lock
in the down position.
To close, pull the the shutters up until
they lock.
Opening and closing upper shutters
Before racking-in the mobile part, ensure that the shutters
mechanisms have been put back into their initial position
(locked closed). Failure to comply with this instruction may
result in damage to the equipment.
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67
Instruction of use
Steps for the tests
Voltage presence on MV cables
Cubicle equipped with VPIS voltage
indicator
VPIS : Voltage Presence Indicator
System, a box with 3 integrated lamps.
Characteristics:
The “voltage presence” indication is
only ensured on the voltage range
stipulated by IEC 61958.
Instruction for use
VPIS must not be used as a VDS
(Voltage Detecting Systems).
When the ambient light is bright, it may
be necessary to improve visibility by
protecting the indication lights.
The indication of a VPIS alone is not
enough to ensure that the system is
de-energised:
if the operation rules require this,
then suitable voltage detectors in
compliance with IEC 61243 must be
used.
A:
B:
voltage presence indicator light
(1 for each phase)
connection outlets for the phase concordance unit.
Once the cables are energised, the
voltage indicator lights should light up.
MV cable tests
Test condition
Open earthing switch.
Cables connected to injection tools.
Voltage injections on MV cable heads
On feeder cables (without VT)
It is mandatory to rack-out the circuitbreaker of the switchgear or/and open
the circuit-breaker of the upstream
feeder.
68
Check voltage absence.
Close the earthing switch.
Voltage indicator lights are not lit.
See chapter “Closing the earthing
switch”.
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BBV19342.indd
Steps for the tests
Instruction of use
Remove the front panels.
See chapter “Instructions for access
to the inside of a cubicle”.
Connect the voltage injection circuit to
cable lugs.
Open the earthing switch. See chapter
“Opening the earthing switch”, then
carry out the tests.
At the end of the tests:
- Close the earthing switch
- Remove the accessories of the cable
injection.
- Install the front panels.
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69
Instruction of use
Operating Instructions
Extracting or inserting
the mobile part
Start
Note: the following operations are
described using the ERT (tool to
remove/insert the mobile part from
the switchgear that also allows
to place the mobile part on the floor).
Cubicle + mobile part in a disconnected /test position.
Extraction
Open the access door to the mobile
part by pulling then turning the handle
towards the right.
Operate the door sufficiently to ensure
that it is completely locked.
Disconnect the LV auxiliary plug
by pressing on the red button
and by pulling the plug lock
(circuit-breaker or contactor).
Bring the ERT into position (the pins
should be inserted inside the cubicle
holes).
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Operating Instructions
Instruction of use
Lock the ERT by pushing in
and then turning towards the right
the two latches.
Check that the ERT is locked.
Secure the 2 ERT castors.
Change the position of the selector
2 to
pull out the mobile part using
the handles A until it bottoms the ERT.
Change the position of selector switch 2
back to
.
Note: the travel of the CB on the ERT
must be done with the CB close to
the ground.
Unlock the ERT by turning toward
the left and pulling out the latches.
Unblock the ERT castors.
Back up a little and slowly the ERT
from the switchgear.
Take down the mobile part by turning
the ERT operating handle.
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71
Instruction of use
Operating Instructions
Remove the ERT.
Before closing the cubicle door,
pull down the black cover.
To release the blocking system door
by moving the stop rod.
Close the access door to the mobile
part by turning the handle towards the
left, then pushing it.
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Operating Instructions
Instruction of use
Insertion
Open the access door to the mobile
part by pulling then turning the handle
towards the right.
Operate the door sufficiently to ensure
that it is completely locked.
Bring the ERT in position (the pins
should be inserted inside the cubicle
holes).
Secure the 2 ERT castors.
Lock the ERT by pushing in
and then turning towards the right
the two latches.
Check that the ERT is locked.
Change the position of the selector
2 to
.
Push the mobile part into the cubicle
until it bottoms it and change
the position of the selector 2 back
to
.
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73
Instruction of use
Operating Instructions
Unlock the ERT by turning toward
the left and pulling out the latches.
Unblock the 2 ERT castors
and remove it.
To connect the LV plug, push the red
button and hold in position.
Connect the LV plug and secure it
by latching it.
Before closing the cubicle door, lift
the black cover and latch it up.
Ensure that it well latched up.
To release the blocking system door
by moving the stop rod.
Close the access door to the mobile
part by turning the handle to the left
then pushing it.
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Operating Instructions
Instruction of use
Racking-in the mobile part
Start
Door closed
Selector 4 to
(open earthing switch)
Selector H in racked-in or racked-out
position to
Operation
Lower the protective flap of push-button
1. Press push-button 1, and while
keeping it pushed down.
Change the position of selector 2
to .
Insert the operating handle into opening 3.
Rack-in the mobile part by turning
the operating handle (45 turns) clockwise
until the position indicator changes its
status.
Change the position of selector 2
to
.
The circuit-breaker or contactors
are electrically operationnal to energise
the downstream circuit.
The pictogram with a black background
at the front is a reminder
of the operations.
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75
Instruction of use
Operating Instructions
Racking-out the mobile part
Start
The mobile part in the racked-in.
Operation
Press push-button 1 (which sends
an order for the mechanical opening
of the circuit-breaker). While keeping
it pushed down, change the position
of selector 2 to
.
Insert the operating handle into
opening 3.
Rack-out the mobile part by turning
the crank (45 turns) anti-clockwise until
the position indicator changes its status.
Change the position of selector 2
to
.
The mobile part is racked-out,
disconnected or in test position.
The pictogram with a black
background at the front is a reminder
of the operations.
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Operating Instructions
Instruction of use
Closing the earthing switch
Start
The mobile part is racked-out or ready
to be extracted or out of the switchgear.
Check that the voltage presence
lights are not lit.
The safety key locks are in a state
that allows the following operations.
Operation
Change the position of selector 4
to
, by pulling it and turning
it towards the right.
Insert the operating handle into the hole
5, and turn it clockwise until the position
indicator changes status.
The closing is quick and makes a noise.
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77
Instruction of use
Operating Instructions
Change the position of selector switch 4
to , by pulling it and turning it towards
the right.
The earthing switch closed.
The MV cable heads are short-circuited
and earthed.
The pictogram with a yellow
background at the front, is a reminder
of the operations.
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Operating Instructions
Instruction of use
Opening the earthing switch
Start
Closed earthing switch
The safety key locks are in a state
that allows the following operations.
Operation
Change the position of selector 4
to
, by pulling it and turning
it towards the left.
Insert the operating handle into
the hole 5, and turn it anti-clockwise
until position indicator changes status.
The opening makes a noise.
Change the position of selector
4 to
by pulling it and turning
it towards the left.
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79
Instruction of use
Operating Instructions
The earthing switch is open.
The pictogram with a yellow
background at the front,
is a reminder of the operations.
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Operating Instructions
Instruction of use
Racking-in VT fuses
Start
The lower front panels are installed
on the cubicle
Selector 6 to
Operation
Change the position of selector 6
to
, by pulling it and turning
it towards the right.
Insert the operating handle into
the hole 7, and turn it clockwise until
it is racked-in.
Rack-in is completed when resistance
can be felt (stop).
Change the position of selector 6
to
, by pulling it and turning it
towards the right.
The pictogram with a blue
background at the front, is a reminder
of the operations.
BBV19342.indd
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81
Instruction of use
Operating Instructions
Racking-out VT fuses
Start
The lower front panels are installed
on the cubicle
Selector 6 to
Operation
Change the position of selector 6
to
, by pulling it and turning it
towards the left.
Insert the operating handle into
the hole 7 and turn it anti-clockwise until
racked-out.
Change the position of selector 6
to
, by pulling it and turning
it towards the left (the front panel to
access the fuses can now be removed).
The pictogram at the front,
is a reminder of the operations.
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Operating Instructions
Instruction of use
Preventing access using
padlocks
Number of possible padlocks
per cubicle type
Nota : used padlocks Ø 6 to 8 mm to be used.
3 padlocks on the rack-in prevention
selector.
3 padlocks on the earthing selector
in open or closed position.
1 padlock on the operating mechanism
of either the top or bottom shutters.
3 padlocks on the selector the VT’s
box with withdrawable fuses for either
rack-in or rack-out position.
1 padlock on the protective flap of
the mechanical opening push-button
of the mobile part.
Preventing the rack-in of a mobile part
Place 1 to 3 padlocks on the rack-in
prevention selector H.
Rack-in forbidden if in
Preventing the opening of the shutters
(option)
Forbid the opening with padlock
On the operating mechanism of the shutters,
when they are closed.
1: top shutters lock
2: bottom shutters lock.
The shutter operating mechanism
is located inside the cubicle,
on the right side.
Press on the shutter guide, place
the slides (1 and 2, 1 or 2) and insert
the padlocks in the holes.
For u 31 kA/1s internal arc switchgears:
the shutter operating mechanism is accessible after
removing the right side sheetmetal (2 screws A).
The metal sheet must be re-installed
before inserting the mobile part
inside the switchgear.
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83
Instruction of use
Operating Instructions
Preventing the mechanical opening
of the mobile part during operation
It can also be used as an additional lock to prevent
rack-in and rack-out.
Place 1 padlock on the push-button
protective flap 1.
Preventing the operation of the earthing
switch
Open earthing switch:
place 1 to 3 padlocks on selector 4
to prevent the closure.
Closed earthing switch:
place 1 to 3 padlocks on selector 4
to prevent the opening.
This also prevents the rack-in of
the mobile part.
Racked-in fuses: place 1 to 3 padlocks
on selector 6 to prevent rack-out.
This also prevents removalof the front
panel.
Racked-out fuses: place 1 to 3 padlocks
on selector 6 to prevent rack-in.
Preventing the operation of VT fuses
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Operating Instructions
Instruction of use
Locking with key locks (option)
Number of possible locks
Mobile part in a racked-out position:
1 lock on the cubicle (2 O) or (2 C)
or (1 O and 1 C) or (1 O) or (1 C):
on earthing switch.
Locking to forbid the rack-in
of the mobile part.
Disconnector truck
(withdrawable busbar bridge):
1 lock in the racked-in position
(on the disconnector).
The key is only released when
the rack-in prevention is locked.
The mobile part is racked-out.
The selector is pulled out.
Locking the disconnector truck
in the racked-in position
The key is only released when
the disconnector is racked-in and
locked in this position with the selector.
Closed disconnector
Racked-in disconnector truck
Locking the earthing switch
with one key lock
1 lock in closed position
Locking the earthing switch
with two locks
BBV19342.indd
1 lock in open position
(2 O) or (2 F) or (1 O et 1 F) or (1 O)
or (1 F).
version 02
85
Instruction of use
Operating Instructions
Locking with electromagnet
(option)
Locking the earthing switch
The electromagnet automatically
locks the earthing switch in the
“open” and “closed” position.
A push-button located on the low
voltage compartment will allow
the operation of selector switch 4,
if the switchgear is in the proper
state.
Locking to forbid the rack-in
of the mobile part.
The electromagnet automatically locks
the selector when it is pulled out.
Electromagnetic lock prevents the rack-in
of the mobile part.
A push-button located on the low
voltage compartment will allow
to unlock if the switchgear is
in the proper state.
Preventive and corrective
maintenance
An MCset 17.5 kV Maintenance and Services guide is available.
It gives practical information on:
b maintaining the equipment in good operation,
b ensuring that the equipment is safe during all installation, repair and service operations.
DEAI03EN/ART833121
DEAI03FR/ART833120.
86
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BBV19342.indd
Corrective maintenance
Instruction of use
Replacement of VT box fuses
Start
Racked-out fuses and VT’s LV plug
unplugged (see chapter “Operating
instructions”).
Remove the front panel (see chapter
“Instructions for access to the inside
of a cubicle”).
Removing
B
A
Lift holder A.
Disconnect the small vertical rod B.
D
Pivot the striker pads C into
a horizontal position.
Carefully remove the pin from
the striker pads D.
E
E
F
Push the plug E and turn towards
the left and release.
The fuse is unlocked.
BBV19342.indd
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Remove the plug and the fuse.
87
Instruction of use
Corrective maintenance
Installing
Place the spring on the plug
and check that it is flush against
the bottom of the plug and placed
between the two clips indicated by
the arrows.
Insert the fuses, with the strikers facing
the front.
Place the plugs on the fuses (spring
towards the bottom).
Push the plug E.
Turn it towards the right and release.
The fuse is locked, check that the plug
is well locked.
C
Carefully insert the pin on the striker
pin C.
Snap the link A et lift it to place
the striker pads C in a vertical position.
Connect the small vertical rod B and ensure free
operation of the link A.
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Index
A
Accessing busbars 66
Accessing the main contacts
67
AD, CL-GL, TT cubicles (SF6 technology)
7-56-57-62
Assembling a MOTORPACT cubicle / MTP transition enclosure
24
C
Checking and cocking the internal arcing detector
Civil engineering with maintenance space
Closing the earthing switch
Cubicle fastened on rails
Cubicle fitted with IPX1/ IPX2 roofs
Cubicle unit packing
E
Earthing switch with electromagnetic locking
Extracting or inserting the mobile part
F
Floor finishing
Floor quality
G
General information
Glossary
H
Handling by rolling
Handling using a sling
I
Identification
Installation against a wall
Installing busbars
Installing busbars between MTP and the MOTORPACT cubicle
Installing the electric connections of the busbars and MV cables
Installing the end sheets
Installing the main earth connection
Installing the tunnels
L
Land packaging
Linking two cubicles
List of bags and accessories
Locking with electromagnet (option)
Locking with key locks (option)
LV cable routing and connection
M
Middle of the room mounting
MOTORPACT cubicle
MV cable screen earthing
MV cable tests
O
Ocean shipment packaging
Opening the earthing switch BBV19342.indd
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54
10-15
77
22
8
17
51
70
14
22
15
3
19
18
9-60
9
29
32
26
48
28
43
18
23
5
86
85
41
9
13
40
68
18
79
89
Index
P
Placing cubicles in a switchboard
Placing MV cables on AD cubicle
Position of MV cables
Power frequency dielectric test
Preventing access using padlocks
Prior to installing the front panels
R
Rack-in check
Rack-in prevention with electromagnetic locking
Racking-in the mobile part Racking-out the mobile part
Read the inscriptions on the front panel
Recommendations
Removing and inserting fixed or withdrawable VTs
Removing front protection cover plates
Removing the manhole sheet
Removing the mobile part transport fixations
Removing the MV compartment separation sheet
Removing the stop arc sheet in the cable compartment Replacement of VT box fuses
S
Standard tightening torques
Storage
Summary of different mounting methods
Surface condition
Switchboard location in the installation room
Symbols
T
Transition enclosure MTP (Motorpact transition enclosure)
U
Unpacking cubicles
25
52
75
76
60
4
65
63
65
25
64
66
87
4
19
14
22
11
3
8-10
21
V
Voltage presence on MV cables
W
Warning for readers
Withdrawable mobile part
90
21
34
12
53
83
52
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68
56
58
BBV19342.indd
Schneider Electric group service centers are there to provide: - engineering and technical assistance,
- commissioning,
- training,
- preventive and corrective maintenance,
- adaptation work,
- spare parts.
BBV19342 - REV. 02 a Schneider Electric Industries SAS – All rights reserved.
Call your sales representative who will put you in touch with your nearest
Schneider Electric group service center or directly call the following telephone
number: +33 (0)4 76 57 60 60 Grenoble France.
Schneider Electric Industries S.A.S
35 rue Joseph Monier
CS 30323
92506 Rueil Malmaison Cedex
www.schneider-electric.com
954 503 439 RCS Nanterre
Capital social : 896 313 776 €
BBV19342 - REV. 02
As standards, specifications and designs change from time to time, please ask for confirmation
of the information given in this publication.
This document has been printed
on ecological paper.
Publishing: Schneider Electric Industries SAS.
Design: Profil.
Printing:
04/2012
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