Patent ID: 11870238
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 23:
24. The photovoltaic power generation system according to claim 1, wherein a respective protection switch is a rotary direct current switch disconnector or a direct current circuit breaker, and each branch of the at least one branch is connected to the direct current bus via the rotary direct current switch disconnector or the direct current circuit breaker; and
wherein the controller is configured to: based on the photovoltaic power generation system being faulty, control the rotary direct current switch disconnector and/or the direct current circuit breaker to be disconnected so that less than three photovoltaic units are connected in parallel or connected to the direct current bus in each branch of the at least one branch.