Patent ID: 11955791
Assignee: FUJI ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 9:
10. A power converter for supplying power to a load through a plurality of P (P is an integer of 2 or more) arms, each including a semiconductor switch, the power converter comprising:
a plurality of Q (Q is a positive integer that is less than P) short-circuit detector that correspond to respective ones of a plurality of Q arms from among the plurality of P arms,
wherein each of the plurality of Q short-circuit detectors is configured to:
include a first Rogowski coil that is configured to output a first detection signal in accordance with a current flowing through a corresponding arm due to a short circuit in the load, and
detect a short circuit based on the first detection signal.