Patent ID: 9590491
Date: 2017-03-07
CPC Classifications: H02M,Y02B

Claim:
1. A resonant current limiting device for a resonant current passage having a loop shape including at least one capacitor and a wiring passage that includes at least one inductor or at least one inductance component, the resonant current limiting device comprising: an electric storage element connected in series with the capacitor; a driving power source; and a voltage controller that charges and discharges an electric charge in the electric storage element, which is supplied from the driving power source, controls a terminal voltage of the electric storage element to be a predetermined instruction voltage, and restricts a resonant current component flowing through the wiring passage, wherein the electric device is energized from a direct current power source, which is different from the driving power source, and wherein the voltage controller is a chopper or a series regulator.