DMP100E

DMP100E
DMP-100
Microprocessor-based
Protection
Monitoring
Device
General
DMP100E Series Microprocessor-based Protection Monitoring Device is a
simplification of DMP100. It has high performance price ratio and have same features
as DMP100, such as excellence interoperability, wild application scope, perfect
protections combination and harmonics analysis. DMP100E is applicable for the
equipments and lines at 110kV or less voltage level, who provide main protections,
standby protection, measure, monitor and communications. They can be installed
either at switchgear or in a panel-assembling mode. DMP100 can implement all
protections and automatization of normal power substation.
1. SCOPE
1.1 Incoming feeder protection and measure
1.2 Out feeder protection and measure
1.3 Transformer main protection and measure
1.4 Transformer standby protection and measure
1.5 Electromotor protection and measure
1.6 Electromotor (with differ function) protection and measure
1.7 Capacitance protection and measure
1.8 Standby power protection and measure
1.9 Bus monitor and paratactic voltage switch
2. FUNCTION
2.1 Under-current ground line selection
2.2 Standby power supply automatic connection has the below functions, such as
quick-break over-current acceleration protections and so on. User can choose
other Standby power supply automatic connection function, besides incoming
feeder standby power supply automatic connection function and Bus-tie breaker
standby power supply automatic connection function
2.3 Under-frequency load shedding, under-voltage separation, automatic reclosing,
and current protection blocking and Under-voltage blocking with direction.
Having such functions, it applies for less than 110kV voltage level line (tow
power system, ring power system) protection or monitor.
2.4 Monitor and measure the wave of three-phase bus’s voltage and openings
triangular voltage to detect the fuse of PT, open line or single-phase line to
ground for alarm system.
2.5 Switch/parallel under-voltage bus automatic or manual.
2.6 Detect the condition of transformer, by measure (380/220)voltage and 6 lines
current of substation .
3. Microprocessor-based protection control device DMP100E main functions
3.1 The protective function of compounding
3.1.1
There is available for 31×7 species protection elements, to be fit for users of different
electrical equipment or wiring protection.
3.1.2 Users may choose corresponding protection on the basis of actual need
3.1.3 The definition of protection functions which can be achievable special protection to meet
the users’ requirements.
3.1.4 The protect function of relative independence and protect constant, time limits, closing
conditions and on or off can be independent configuration.
3.1.5 Protection functions on the achievement are not dependent of communications networks
to meet the reliability requirements for the protection of the electricity system.
3.1.6 Support for the protection value of more sets of manual and automatic cut over, more
suited to electrical operational style of constantly changing occasions.
3.2、Protection functions of DMP100E
3.2.1 current instantaneous protection (low voltage confined and the direction confined)
3.2.2 Time-limit current instantaneous protection (low voltage confined and the direction
confined)
3.2.3 Time-limit overcurrent protection (low voltage confined and the direction confined)
3.2.4 Current inverse time-limit protection (IEC standard anti-characteristics curve)
3.2.5 Accelerate protection
3.2.6 Over load protection
3.2.7 Negative sequence current protection
3.2.8 Zero sequence current protection
3.2.9 Single-jointed to the line
3.2.10 Over-voltage protection
3.2.11 Under-voltage protection
3.2.12 Missing voltage protection
3.2.13 Negative sequence voltage protection
3.2.14 Zero sequence voltage protection
3.2.15 Composite voltage lock-current protection
3.2.16 Under frequency load shedding (low voltage lock belt, slide poor confined, current closed)
3.2.17 One-shot reclosing (location without pressure, the location)
3.2.18 Differential protection
3.2.19 Standby power supply automatic connection function
3.2.20 overcurrect protection
3.2.21 Reverse- power protection
3.2.22 Overcurrect protection with Start time
3.2.23 Time-limit overcurrent protection
3.2.24 Non-electricity protection
3.2.25 User-defined protection
4、Measurement functions
4.1 Measurements data
currents (Ia,Ic)
voltage (Ua,Ub,Uc,Uab,Ubc,Uca)
frequency (F)
Potent power: (P), Impotent power (Q), power factor (PF)
Potent degrees(Ph)Impotent degrees (Varh)pulse of degrees
4.2 Protection data :
protection currents (Ipa,Ipb,Ipc)
zero sequence currents (3I0)、 the positive sequence currents (3I1)、 the negative sequence
current (3I2)
zero sequence voltage (3U0)、the positive sequence voltage (3U1), the negative sequence
voltage (3U2)
4.3 harmonics analysis functions, the screen can be resolved in 12 corridors observed 2,3
5, 7, 9 harmonics.
4.4 the measurements of precision calibration can
be through software realization without
adjusting hardware.
4.5 alternating current circuit support of two-phase
two components (2CT) and the three-phase three
components (3CT) wiring.
4.6 alternating voltage circuit supports three-phase fully wye (Y/Y) and two of
incomplete delta (V/V) wiring.
4.7 According to CT, PT wiring methods and change than, the works of automatic
conversion, and respectively show a side and two adjacent values.
5、Surveillance functions
devices of hardware and software has been continuous monitoring to ensure the reliability of
the devices, and reduce the need for conventional testing, surveillance include :
5.1 break position
5.2
grounded knife position
5.3 Isolation switches position (fixed cabinets)
5.4 handtruck working location, handtruck test location (handtruck cabinets)
5.6
spring stored energy state, gas pressure state (GIS)
5.7
other connections signals, such as temperature, gas, chain signals,
5.8 CT breakwire alarms (including the protection CT and measurements CT、according to
phase independent alarms)
5.9 PT breakwire alarms (including three-phase, two-phase, single-phase alarms)
5.10 Control power breakwire alarms
5.11 Closing circuit breakwire alarms
5.12 Openning circuit breakwire alarms
5.13 devices automation check
6、Control functions
6.1 breaker afar /local operation and confined closing controlled
6.2 breaker external gearing control
6.3 breaker closed gearing control
6.4 interrupt jump control (choice may be based on the use of the environment)
6.5 advanced warning signal output
6.6 4 programmable relay output
7、Computer interface functions
7.1 graphic LCD (128X64 dot matrix few)
7.2 lights show that the running, and the closing,
opening, failures,. warning etc.
7.3 panels used six key operational modalities for the
selection menu screen, cut over data and images,
simple convenience, easy to grasp. Panels
operation will not have any impact on the
operation of the system, constant changes have password protection.
7.4 through bus interface, can connect PC to achieve integration automation.
8、Communications functions
8.1 using can-bus, and ensure the real-time and reliability of information transmission, the
maximum speed of 1Mbps, the most up to 10km long-distance, a bus to allow articulated
110 equipment.
8.2 through a special communications module or BG9000-CON conversion interfaces,
DMP100E series products can be a network interconnection with other systems, support
multiple physical transmission media (such as UTP, coaxial cable, optical fiber, etc.) to
support multiple forms
of communication (such as RS485, RS232, TCP/IP etc.), support multiple communications statute
(such as Modbus, IEC60870-5-101 FT 1.2),
8.3 Transmit all real-time operating information to SCADA systems, including telemetry,
remote signal, the protection of constant, system parameters.
8.4 SCADA system can receive command , such as the level of the various remote control and
remote adjust , the protection of constant of setting, the protection of using and modify the
system parameters , to achieve transformer stations unmanned on duty
fourthly:Main technical parameters
table-1
entironment requirement
Running
Temperature range
-10…+50°C
Relative Humidity
45… 80 %
Permit 95% no dewdrop
Atmospheric pressure
Altitude
transportation
withstand the harsh vibration durable, and durable impact and
collision tests
-25…+70°C
power
DC power
AC power
Power dissipate
table-3
Voltage rating
110 V/ 220 V DC
range
100…340 V
Voltage rating
110/220 V
range
85…264 V
normal
<10
W/VA
act
<15
W/VA
50 %
Power low
AC
1S
0%
100mS
AC signal input
5 A (1 A )
Current rating In
Power dissipate
Current
<0.5 VA
Thermal stability
Move stability
Voltage rating
Voltage
frequency
table-4
kPa
<3000 m
Temperature range
table-2
80…110
continuum
20 A
1s
100 A
10mS
250 A
Un
100 V
Utmost voltage(continuum)
<200 V
Power dissipate
<0.8VA
Frequency rating f
50 Hz
Logical volume input
220V input
Quantity
Work range
8
76…265V(110/220)DC
power
<0.3W
Quantity
passive input
2
Horsepower
<0.3W
Logical state input
Control loop break surveillance
2
Time resolution
1 mS
pulse frequency <100 Hz
programable
Change position ckecking
3
table-5
machine
structure
Device measure
177(H)/229(W)/ 250(D)mm
Device weight
About 4 kg
Case materials
Steel framework,
Protective levels
IP5XD
Fit mode
Inlay
Table -6
relay output
Most switch voltage
250AC/30VDC
Most switch current
8A
Most switch power
1250VA/150W
Output contact capacity
<250V,<1A(inductance load),cut capacitance<50W
5ms+0.75ms time constants for the circuit, secure action and return
of 1000
rated load
5A 250VAC/30VDC
Medium
4000VAC
Isolation resistance
1000MΩ
Table-7
communication interface
electric criterion
(isolated RS-485)
electric criterion
(isolated CAN)
electric criterion(fibre)
Node Quantity
32
Transmission speed
4800…19200 Baud
Transmission
Buad)
distance
(9600
1000 m
linker
End output
Transmission speed
4800…1M Baud
Transmission distance
(125kBuad)
100m
Transmission distance RS485—
fibre transition device
1500 m
IEC 60870-5-101 FT1.2
8bit+1stop bit. even
Serial
criterion
communication
Table-8
event record(SOE)
Record type
malfunction,Exceeded the standard,switch(Logical volume)change,
exterior bounce or close, set and modify
Record event count
20
Record content
year/month/day/time,event type,event data
Time resolution
1 mS
Holding at cutting power
event records enquiries
way
table-9
farness
Communication beckon
On spot
Graph LCD display
Standard tests
Frequency voltage
Isolation testing
IEC60-2
Insulation resistance
Wet hot testing
Impact voltage testing
Mechanical testing
Shock
IEC68-2-30
400 MΩ
±5kV
IEC255-5
±5kV
Rest loop
Test fix
Test frequency range
Frequency
50Hz
1minute
500MΩ
switch signal input loop
Scan periodicity per axes
IEC255-21
table-10
2kV
1.5kV
three axes direction
10…150Hz
f
≤
60Hz;amplitude
0.075mm
f>60Hz;
acceleration
2
10m/s
Electromagnetic compatibility
High frequency testing
IEC255-22-1 100kand1MHz
damp oscillation ripple)
total
deflection modules
1.0kV
Static discharge disturbance
testing IEC6100-4-2
Touch
6.0kV
Air
8.0kV
testing electric field intension
10V/m
scan frequency
150kHz…..80MHz
Radiation electromagnetic field
interference testing
EN55011
RFI
testing
Fleetness change
IEC225-22-4 IEC61000-4-4
surge lightning strike
IEC61000-4-5
deflection modules
2.5kV
direct import through total
modules
(IEC6100-4-6)
10V(rms),
f=150kHz…..80MHz
direct import through
radialization
(IEC6100-4-3)
10V/m(rms),
f=80Hz…..1000MHz
total modules
voltage peak
pulse frequency
duration polarity per
2kV
5kHz
1min
4kV
2.5kHz
power AC/DC enter
4kV, total modules
2kV, deflection modules
I/O enter
2kV,total modules
1kV,deflection modules
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