Photovoltaic system, inverter, and bus voltage control method for inverter

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United States of America Patent

PATENT NO 12107534
APP PUB NO 20230170844A1
SERIAL NO

17994632

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Abstract

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A photovoltaic system includes at least one DC/DC converter and the inverter. An input terminal of the at least one DC/DC converter is configured to connect to a photovoltaic module, an output terminal is configured to connect to an input terminal of the inverter by using a direct current bus, and an output terminal of the inverter is connected to an alternating current grid. When the inverter is switched from a non-power-limited working state to a power-limited working state, the inverter adjusts a bus voltage of the inverter to rise from a first voltage to a second voltage. After running in the power-limited working state for a time interval, the inverter adjusts the bus voltage to drop from the second voltage to a third voltage, where the third voltage is less than or equal to the first voltage.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI DIGITAL POWER TECHNOLOGIES CO LTDOFFICE 01 39TH FLOOR BLOCK A ANTUOSHAN HEADQUARTERS TOWERS 33 ANTUOSHAN 6TH ROAD FUTIAN DISTRICT SHENZHEN GUANGDONG 518043 518043

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gu, Guilei Shanghai, CN 20 11
Xu, Zhiwu Shenzhen, CN 28 16
Yao, Xiaofeng Shenzhen, CN 21 29

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