Protection apparatus and protection method for photovoltaic power generation system

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United States of America Patent

PATENT NO 12206232
APP PUB NO 20240097427A1
SERIAL NO

18521816

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A protection apparatus includes an interface, a protection switch, a direct current bus, and a controller. The apparatus is connected to at least two photovoltaic units via the interface, the at least two photovoltaic units are coupled to the direct current bus inside the apparatus to form at least two branches, and each branch is connected to at least one photovoltaic unit. The protection switch is configured to disconnect all or some of the photovoltaic units from the direct current bus, to enable a maximum of three photovoltaic units to be directly connected in parallel. According to the apparatus, a photovoltaic unit and a line are protected with a low power loss when a photovoltaic power generation system is faulty.

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Patent Owner(s)

  • HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zhang, Xiufeng Dongguan, CN 32 23
Zhang, Yanzhong Shenzhen, CN 61 51

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