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PROTECTIVE CIRCUIT FOR A PHOTOVOLTAIC (PV) MODULE, METHOD FOR OPERATING THE PROTECTIVE CIRCUIT, AND PHOTOVOLTAIC (PV) SYSTEM HAVING SUCH A PROTECTIVE CIRCUIT
PROTECTIVE CIRCUIT FOR A PHOTOVOLTAIC (PV) MODULE, METHOD FOR OPERATING THE PROTECTIVE CIRCUIT, AND PHOTOVOLTAIC (PV) SYSTEM HAVING SUCH A PROTECTIVE CIRCUIT
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机译:具有此类保护电路的光电(PV)模块的保护电路,操作该保护电路的方法以及光伏(PV)系统
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摘要
The disclosure relates to a protective circuit for a photovoltaic (PV) module that includes an input having two input terminals for connecting the PV module, an output having two output terminals for connecting further PV modules of a series circuit comprising PV modules, a first switch for connecting one of the input terminals to one of the output terminals, and a controller configured to control the first switch, wherein the protective circuit further includes a series circuit including a first diode and an energy store, wherein the series circuit is arranged in parallel with the input of the protective circuit. The protective circuit also includes a second diode, which connects an output terminal of the protective circuit to a midpoint of the series circuit including the first diode and the energy store, and wherein a series circuit including the second diode and the energy store is connected in parallel with the first switch. The disclosure also relates to a method for operating a protective circuit according to the disclosure, and to a photovoltaic (PV) system including a series circuit comprising PV modules.
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