Solid state circuit breaker and motor driving system

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United States of America

PATENT NO 10591547
SERIAL NO

15669384

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Abstract

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A solid state circuit breaker, including a solid state switch, an inductor connected with the solid state switch in series and a fault detection circuit. The solid state switch has a gate electrode, a source electrode and a drain electrode. The fault detection circuit is used for detecting health status of the solid state switch and identifying fault type of the solid state switch in a condition that a fault occurs on the solid state switch based on one or more of a measured voltage between the source electrode and the drain electrode of the solid state switch, a measured voltage of two terminals of the inductor, a reference voltage and a switching control signal provided to the gate electrode of the solid state switch. A motor driving system having the solid state circuit breaker is further disclosed.

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Patent Owner(s)

  • GENERAL ELECRIC COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Fei Shanghai, CN 346 865
Liu, Changjin Shanghai, CN 3 5
Wu, Tao Shanghai, CN 352 4146

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