High-current DC Power Supply from REGATRON: Nominal current 6084 A, nominal power 162 kW, footprint less than 1 m²

Bidirectional, source, or sink – regenerative – highly dynamic and highly accurate – parallel, series, and matrix operation – highest current and power density

High currents are used in many applications and are required for testing and simulation of the following devices and systems:

Battery modules and battery packs
Fuel cells and electrolysers
E-drive systems and hybrid systems
various high-current components

High-current Project with over 18000 A

The demanding project was realized for a renowned research institute. REGATRON won the contract in a public tender. The scope of delivery includes three identical 162 kW power supply systems, each consisting of three 54 kW units with nominal voltage of 80 VDC and nominal current of 2028 A. This provides one, two, or three DC outputs per 162 kW system, depending on the configuration. Some possible operating ranges are listed below as examples:

3 x 54 kW / 80 V / 2028 A
1 x 54 kW / 80 V / 2028 A and 1 x 108 kW / 80 V / 4056 A
1 x 162 kW / 80 V / 6084 A
1 x 162 kW / 240 V / 2028 A

Switching between single, parallel, or series configuration is done by the user in the operating, service, and analysis software G5.Control. The high-current output connection is made with copper bridges, which are part of the scope of delivery.

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In master-slave operation of all three systems, the following operating ranges can be covered, depending on the configuration:

1 x 486 kW / 80 V / 18252 A
1 x 486 kW / 240 V / 6084 A
1 x 486 kW / 720 V / 2028 A

The present high-performance DC power supply system of REGATRON’s G5 family is modular, has an all-digital regulation and system control, and has the following outstanding features:

System auto-ranging factor of 27 (!)
High control dynamics in the 100…200 µs range – even at high power levels
Exceptional accuracy of voltage and current: <0.01% FS (voltage) and <0.025% FS (current)
Additional high resolution current measurement range of -10%…10% Imax with an accuracy of <0.003% FS