Inverter system with reactive power support and control method thereof

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United States of America

PATENT NO 12160107
SERIAL NO

18666783

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Abstract

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An inverter system includes an inverter bridge, an inductor and a controller. The inverter bridge includes first, second, third and fourth power switches. The inductor is connected between the inverter bridge and a power grid. The controller is configured to control both the second power switch and the third power switch to be turned on or both the first power switch and the fourth power switch to be turned on within a first time period of each power frequency cycle. The first time period is from a moment when a current of the power grid becomes zero to a moment when a voltage of the power grid becomes zero. The current of the power grid is in inverse phase with the voltage of the power grid in the first time period, so that reactive power is stored in the inductor.

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Patent Owner(s)

Patent OwnerAddress
FOXESS CO LTD325024 NO 939 JINHAI THIRD ROAD KONGGANG NEW AREA LONGWAN DISTRICT WENZHOU CITY ZHEJIANG PROVINCE WENZHOU CITY ZHEJIANG PROVINCE 325024

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deng, Zhijiang Wenzhou, CN 2 3
Li, Chuntao Wenzhou, CN 7 10
Peng, Jian Wenzhou, CN 64 143
Zheng, Chongfeng Wenzhou, CN 7 35

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