Power conversion device including abnormality detection function of LC filter
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United States of America Patent
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May 10, 2016
Grant Date -
May 28, 2015
app pub date -
Nov 20, 2014
filing date -
Nov 28, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The power conversion device includes an AC power source, a power conversion unit, and an LC filter unit arranged between the AC power source and the power conversion unit, and the LC filter unit has a temperature detection element provided in one part or in a plurality of parts configuring the LC filter unit, and the power conversion unit has a temperature detection unit configured to receive temperature data detected by the temperature detection element and a determination unit configured to calculate temperature rise values of one or plurality of parts, or temperature differences between the plurality of parts based on the temperature data received by the temperature detection unit and to determine whether or not there is an abnormality in the LC filter unit in accordance with the calculation result.
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