DC Power Supplies from 5KW-50KW

Aircraft Engine

Solid State High Power DC Power Supplies

If you are in need of 5KW-50KW DC power supplies, contact us today, or request a quote. PCTI builds its products custom to every order, so regardless of your application, we will be able to provide you with exactly what you need. Our solid state units utilize primary SCR technology to give you high performance, high reliability, and sophisticated control systems. Typically, our DC power supplies are used in a variety of areas, including military, industrial, commercial, research, and transit applications. If you have questions regarding your specific needs, contact us with your inquiry.

For Your Application

Our 5KW-50KW DC power supplies can typically be used in similar applications as our higher power range power supplies. If you are interested in aircraft engine starting in particular, however, then our 5KW-50KW power supplies will likely be the best fit for you. If you have questions, or would like even more detailed information regarding our DC power supplies and their applications, you can download our DC power supply brochure.

Following are our standard specifications for 5KW-50KW DC power supplies.

Contact us for options not listed here or for assistance regarding your particular application.

Voltage: +10%
• Single phase: 110, 115, 120, 130, 200, 208, 230
• Three phase: 208, 220, 230, 380, 415, 440, 460, 480, 575
Frequency: 50/60Hz
Power factor: better than 0.98 lagging from 10% to full load

Voltage range:
• Standard & precision: 6V - 1,000V
Amperage range:
• Standard: 50A - 200A
• Precision: 2A - 100A
Voltage regulation (line & load):
• Standard: 1%
• Precision: 0.05%
Current regulation (line & load):
• Standard: 1%
• Precision: 0.1%
Ripple VRMS (maximum):
• Standard: 1%
• Precision: 0.5%
Response time (typical):
• Standard: 200ms*
• Precision: 50ms*

*for load steps of 50 to 90% of full load

• Constant current control
• Constant voltage control
• Automatic crossover
• Regulated voltage
• Regulated current
• Soft start
• Automatic phase selection
• Built-in test (BIT)

NEMA/IP enclosure ratings:
• NEMA 12 (IP20)
• NEMA 3R (IP54)
• NEMA 4 (IP55)
• NEMA 4X (IP56)
• other ratings available upon request
Operating temperature:
• -5°C - 40°C
Storage temperature:
• -10°C - 65°C
Humidity:
• Up to 90% non-condensing

• Overcurrent/overload*
• Overvoltage*
• Undervoltage*
• Overtemperature (cabinet, semiconductor, transformer)
• Input short circuit (circuit breaker or fusing)
• Output short circuit*
• Input & output surge suppression (MOVs)
• Phase loss*
• I2t fusing

*via electronic circuitry

Computer interface:
• Ethernet/IP
• Modbus TCP
• SNMP
• CANbus,
• IEEE 488.2 / GPIB
• RS232
• RS485
Functions:
• Start/stop
• Reset
• Fault
• Inhibit
• Current adjust
• Voltage adjust
• Fault indication (UV, OV, OC, other)
Analog signals:
• 4mA - 20mA
• 0V - 5V
• 0V - 10V

• Power on indicator
• Start/stop pushbutton
• Fault/reset pushbutton
• Voltage regulation potentiometer
• Current regulation potentiometer
• Analog DC voltmeter, 2% accuracy
• Analog DC Ammeter, 2% accuracy

• IEC
• NEMA
• NEC
• IEEE
• MIL-SPEC

• Increased performance
• One programmable chip with the functionality of conventional control components
• SCR preregulator to achieve high efficiency, low ripple, precise regulation, and low output noise
• Coarse and fine adjustments are available for both current and voltage
• Event and data logging to continuously monitor equipment operating status as well as internal control parameters

• Electronic phase imbalance
• Instrumentation/metering
• Paralleling
• 12, 18, or 24 pulse design
• Remote control station
• Input cables
• Output cables
• Mobile options (casters, pneumatic tires, towable, trailer- or rack-mounted, etc.)

• Forced air
• Direct water
• Closed loop water to water heat exchanger
• Heatpipe
• Natural convection
• Water-cooled
• Liquid-cooled
• Water system protection: low flow, temperature, resistivity, leak detection, low level