Three-level chopper apparatus

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United States of America Patent

PATENT NO 9893606
SERIAL NO

15622778

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Abstract

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A three-level chopper apparatus includes a protection switch circuit that changes a current pathway through which an overvoltage is applied to a second capacitor or a first capacitor to a current pathway through which no overvoltage is applied to the second capacitor or the first capacitor when a first switch or a second switch has a failure.

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Patent Owner(s)

Patent OwnerAddress
FUJI ELECTRIC CO LTDKAWASAKI COUNTY OF KANAGAWA CITY JAPAN KAWASAKI-SHI KANAGAWA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Yasushi Hino, JP 78 694
Kubouchi, Motoyoshi Matsumoto, JP 67 96

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