Patent ID: 11936307
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 11:
12. The power control system according to claim 11, wherein
the AC system is a three-phase AC system of U-phase, V-phase, and W-phase,
the current control circuit, the impedance calculator, the disconnector open determiner, the first logic circuit, the overcurrent determiner, and the second logic circuit are provided for each of U-phase, V-phase, and W-phase, and
the controller includes a trip instruction circuit to output a trip signal for opening the AC circuit breaker when at least one of an output of the second logic circuit of U-phase, an output of the second logic circuit of V-phase, and an output of the second logic circuit of W-phase is at a first level.