DC Power Supplies from 500KW-2MW

500KW-2MW DC Power Supplies

Solid State High Power DC Power Supplies

PCTI provides precision engineered DC power supplies, with an upper range of 500KW-2MW. Our power supplies come with a range of standard power and control modules, as well as a variety of computer interfaces for programming and control requirements. In addition, our products are all custom built to order, so that we can provide power solutions regardless of the application. If you have any questions, feel free to contact us today, or request a quote for more information.

For Your Application

Our 500KW-2MW DC power supplies are currently being used in applications such as: electrochemical, steel, welding, plating, circuit breaker testing, busbar testing, desalinization, grid tie in, and aircraft engine starting, and they can be your power solutions as well. If you have questions, or would like even more detailed information regarding our DC power supplies and their applications, you can contact us and/or download our DC power supply brochure.

Following are our standard specifications for 500KW-2MW 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