10kV/30kA unipolar arbitrary voltage source for Hardware-in-the-Loop Simulation Systems for HVDC circuit breakers

In this paper a novel topology for an unipolar arbitrary voltage source for high power Hardware-in-the-Loop Simulation Systems is presented. The maximal output voltage is 10 kV and a maximal output current of 30 kA can be provided for a duration of 20 ms with a maximal current gradient of 200 A/μs. The system enables in-depth research and future developments of circuit breakers for future multi-point DC transmission systems.

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