DC voltage feeder for low-voltage and high-current consumers, with active output current regulation, remotely settable on PROFINET BUS.

The apparatus performs conversion of three-phase line voltage to a DC source with output currents up to 1000A.

The double active electrical conversion and galvanic isolation between input and output allow very fine output power stability, as well as the possibility of increasing the system power with an apparatus modularity of up to four converters, in series/parallel configurations depending on the voltage and current requirements to be obtained.

This type of Mesar power supply is currently used to serve hydrogen and oxygen production electrolyzers.

Specifications:

Nominal Output Power: 150 kW

Nominal Main Input Voltage: 400 Vac ± 10 %.

Main Input Distribution: 3P

Input Frequency: 50 Hz ± 0.5 %.

Power Factor (Within control range): > 0.9

Input Voltage Waveform: Sinusoidal

Input THDi: < 13 %

Adjustment range of Output Current: 100…1050 Adc

Adjustment range of Output Current: 0 … 150 Vdc

Cooling: forced ventilation

Efficiency at full load at 45°C: > 95 %

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