Patent ID: 11881815
Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A fault control method for a photovoltaic inverter system, comprising:
identifying an installing position of each RSD in the photovoltaic inverter system using the method of claim 3, wherein the installing position comprises corresponding connection relations between the RSDs and the photovoltaic module strings, and corresponding connection relations between the photovoltaic module strings, and the inverter and the input ends of the inverter; and
when any one of the RSDs has a fault, turning off other RSDs in a same photovoltaic module string to which the RSD having the fault belongs to place these RSDs in a standby state, and placing all of the RSDs outside of the photovoltaic module string to which the RSD having the fault belongs in a normal operating state.