60-90kVA AC-DC Combo Towable Ground Power Units

60-90kVA AC-DC Combo Towable Ground Power Units
UFC PwrKartTM SERIES
400Hz AND 28VDC
GROUND POWER UNIT
(60, 75 and 90kVA)
APPLICATION:
Since its beginning in 1960, Unitron has specialized in the design and development of reliable solid-state power systems. Through an innovative design,
advanced self-diagnostic systems (BITE) and modular construction, Unitron
products assure maximum power availability and minimal repair time.
The PwrKartTM Series includes lightweight 115/200VAC, 400Hz, 28VDC, and
270VDC mobile converters for aircraft ground power applications in the hangar or
ramp area. The dual output AC/DC PwrKart™ provides simultaneous AC and
DC power from a single GPU. Kilowatt power for the complete unit is limited to
the nominal rating of the 400Hz output of the unit. Because a single unit can do
the work of two, Unitron's AC/DC PwrKart reduces operating and maintenance
costs, and eases ramp congestion.
In addition to towable GPUs, Unitron offers 400Hz, 28VDC and combination
AC/DC units in mobile, fixed and bridge-mounted configurations.
OPTIONS:
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TOWABLE CONFIGURATION
(Shown with standard digital panel)
STANDARD FEATURES:
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IP55
Certified to UL 1012
3 Phase, 50 - 60Hz, 380-480VAC Input
Indoor/Outdoor (Hangar/Ramp) Use
≤ 5% Input Current Distortion
Automatic Input Line Monitoring
Advanced Integrated Display (AID™) Console
8000 Event Log / Diagnostics
TCP/IP/Ethernet interface (Modbus)
Internal Communication Ports - USB, RJ45
(ETHERNET), RS485 (Modbus), & RS232
External Communication Ports – RJ45
(ETHERNET) & USB
15% Automatic Line Drop Compensation
Emergency Power “OFF” Switch
18-Inch Hazard Area Clearance
Voltage, Current, & Frequency Monitoring
Elapsed Time Meter
Sleep Mode
Front Panel Summary Fault Indicators
Output Current Limit Adjust from 150A to full
rated current
Input & Output Cable Racks
Input High Voltage Transient Protection
Multi Language (Romanization) Display English, French, German, Italian, Portuguese,
Russian and Spanish, Others - Specify
This product was manufactured in a plant
whose quality management system is
registered to ISO 9001:2008.
Alternate input voltage range 3 Phase, 208-240 or 600VAC input
50 or 100 Foot Input Power Cable (Pigtail, Specify Required Length)
AC and/or DC Output Power Cable with Plug, specify required length
Output Universal Aircraft Safety Interlock Circuit Disconnect
(Single or Dual)
■■ Output Safety Disconnect
■■ Front Panel AC and DC Voltage Adjust (± 15%)
■■ No Break Power Transfer Compatible
■■ 300% overload for 6 seconds or 425% overload for 1 second* (specify)
■■ 270VDC output
■■ Second 28VDC output
■■ Individual Output Voltage Regulation / ALDC
■■ Indoor Touch Screen Panel
■■ Custom Paint & Decals (Standard Color - White)
■■ CSA Certified
■■ CE Mark Certified
■■ Ground Fault Monitor
■■ Lockable Front Door
■■ Alternate Mounting Configurations Available
■■ Neutral Interrupt Protection
■■ Universal Safety Interlock
*IAW MIL-STD-704F and ISO 6858
MECHANICAL SPECIFICATIONS:
Size:
Weight:
Enclosure:
Cooling:
See Figure 1
60.0kVA = 1,688lbs. (766kg.)
75.0kVA = 1,765lbs. (801kg.)
90.0kVA = 1,853lbs. (841kg.)
NEMA 3RX Corrosion Resistant
Forced Convection
SPECIFICATIONS / STANDARDS:
EN 61000-6-2** Electromagnetic compatibility
Immunity standard for industrial environments
EN 61000-6-4** Electromagnetic compatibility
Emission standard for industrial environments
2006/95/EC**
Low Voltage Directive
ISO 1540
Characteristics of aircraft electrical system
ISO 6858
Aircraft ground support electrical supplies
SAE ARP 5015 Ground equipment 400Hz ground power
performance requirement
MIL-STD-704F Aircraft electric power characteristics
MIL-STD-1472 Human Engineering Design Criteria
DFS-400
Specification for 400Hz aircraft power supply
**Defined Basis of CE Mark Certification
GENERAL SPECIFICATIONS
AC INPUT:
Input Current Distortion
≤ 5%, typically 3%
Voltage
AC OUTPUT:
Power Rating
60, 75, or 90 kVA (Specify)
380 to 480 volts, +10%, -15%, 3Ø, 3 or 4 wire plus ground
(Alternate voltages - specify)
Power Factor Range
0.5 lagging to 0.8 leading
Frequency
50 - 60 Hz ± 10%
Phase Rotation
Any
Protection
Over/undervoltage, loss of phase, overcurrent, short circuit. Voltage transient protection IAW IEEE C62.41.1, Location Cat. B/C
100% continuous
110% for 60 min
125% for 10 min
150% for 2 min
200% for 20 sec
Crest Factor
1.414 ± 3%
Voltage
115/200 volts, 3Ø, 4 wire,
grounded neutral
Voltage Regulation ± 1.0% under all conditions of line, balanced loads and temperature
Inrush Current
No greater than 100% of full load current
DC OUTPUT:
Overload
Full Rated Load
600 amps continuous
Voltage Transients IAW MIL-STD-704F
Engine Start Capacity*
(10% duty cycle)
Adjustable up to 1600 amps for 1 minute or 2000 amps for
30 seconds
Frequency Regulation 400 Hz ± 0.01% under all condi-
tions of line, load and temperature
Overload
(10% duty cycle)
1000 amps for 10 minutes
Frequency Transients None
Phase Angle Regulation
± 1° for balanced loads; ± 2° for unbalanced loads
Harmonic Distortion
2.0% maximum
Protection Overload, short circuit, over/under
voltage and safety disconnect
Automatic Line Drop
Compensation (ALDC)
15%
Voltage
28 VDC, 2 wire, grounded negative
Voltage Regulation
 100% continuous ± 0.5%
rated load and
±10% input voltage  No load to rated IAW ISO 6858
load with nominal
input voltage  Overload with See start mode curves
nominal input voltage Voltage Adjust
28 VDC ± 10%
Current Limit Adjust
150A to full rated current
Protection
Overload, short circuit, over
voltage and safety disconnect
Automatic Line Drop
Compensation (ALDC)
15%
ENVIRONMENTAL:
Acoustical Noise
< 65 dBA maximum at
5 feet (1.5m)
Temperature Range
-40°C to +55°C
Relative Humidity
10 - 95%, non-condensing
Ingress of Water Type 3RX, IP55
*Use 28VDC output only during engine start mode
FIGURE 1
UFC SERIES PwrKartTM
TOWABLE GROUND POWER UNIT (GPU)
REV. I
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