Zero-phase-sequence current transformer, ground fault current detection device, power conditioner, and method for detecting malfunction of zero-phase-sequence current transformer

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United States of America Patent

PATENT NO 9928955
SERIAL NO

14424824

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Abstract

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An abnormality occurring in a ZCT is detected simply and reliably. A zero-phase-sequence current transformer (ZCT) (11) detects zero-phase-sequence current in power wires inserted therethrough, and in addition to the power wires, has inserted therethrough a wire through which a constant DC offset current flows.

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Patent Owner(s)

Patent OwnerAddress
KYOCERA CORPORATION6 TAKEDA TOBADONO-CHO FUSHIMI-KU KYOTO-SHI KYOTO 612-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takenaka, Tetsuya Yamato, JP 21 144

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