Bidirectional power conversion

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United States of America Patent

PATENT NO 11837963
SERIAL NO

17460334

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Abstract

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A power conversion apparatus includes: matrix converter circuitry configured to perform bidirectional power conversion between a primary side and a secondary side; and control circuitry configured to: calculate a deterioration level based on a secondary side current of the matrix converter circuitry, a carrier frequency, and a primary-secondary frequency difference between a primary side frequency and a secondary side frequency of the matrix converter circuitry; and output a deterioration notification in response to determining that the deterioration level exceeds a predetermined level.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanada, Toshihiro Fukuoka, JP 29 619
Inoki, Keisei Fukuoka, JP 11 91
Karakama, Hirotaka Fukuoka, JP 3 3
Uchino, Takahiro Fukuoka, JP 11 113
Yano, Yoichi Fukuoka, JP 4 20

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