General Electric Company
Ceramic permanent magnet protection

Abstract:

According to some embodiments, system and methods are provided, comprising an electrical installation; one of a permanent magnet motor and a permanent magnet generator; a circuit operative to provide current to operate one of the motor and the generator; one or more sensors coupled to the electrical installation, wherein the one or more sensors are operative to detect an overcurrent in the circuit and to generate an overcurrent signal; one or more inductors; and an inductance module control operative to: receive the overcurrent signal from the one or more sensors; determine how to insert one or more inductors to reduce an amplitude of the overcurrent; activate the one or more inductors based on the determination; and deactivate the one or more inductors when the overcurrent is not detected. Numerous other aspects are provided.