CONTROL METHOD FOR PHOTOVOLTAIC POWER GENERATION SYSTEM, AND PHOTOVOLTAIC POWER GENERATION SYSTEM AND SWITCHING APPARATUS

• Main Authors: LIN, Tiansan, SUN, Longting, YU, Bo, GAO, Yongbing
• Format: Patent
• Language: Chinese; English; French
• Published: 17.11.2022
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

Disclosed in the present application are a control method for a photovoltaic power generation system, and a photovoltaic power generation system and a switching apparatus, which are used for reducing the loss of a photovoltaic power generation system. The switching apparatus comprises a switching unit, a detection unit and a controller. The switching unit comprises a first output terminal, a second output terminal, first input terminals connected in one-to-one correspondence to each first DC/DC converter, and second input terminals connected in one-to-one correspondence to each second DC/DC converter, wherein the first output terminal is connected to an input terminal of a first DC/AC converter, and the second output terminal is connected to an input terminal of a second DC/AC converter. The detection unit is respectively connected to the first DC/AC converter, the second DC/AC converter, the plurality of first DC/DC converters and the plurality of second DC/DC converters. The controller is connected to the d