The photovoltaic inverter is the heart of the solar photovoltaic system. Its main function is to convert the direct current generated by the solar cell module into alternating current, which is incorporated into the power grid or used for load. It is composed of logical control circuit, filter circuit and inverter circuit, among which the inverter circuit is the core of the inverter Working principle of the photovoltaic modules produced by direct current (dc), first through the dc filter circuit, get rid of the current fluctuations and electromagnetic interference, into the inverter circuit, now converts direct current (dc) to alternating current in the inverter circuit, then the irregular alternating current rectifier for sinusoidal alternating current (ac), filtering out again by the output filter circuit are produced in the process of high frequency interference signals, thus negative grid or direct supply Source: author: okay to check links: https://www.zhihu.com/question/360368108/answer/1629351635 zhihu all business reprint, please contact the author or authors copyright authorized, non-commercial reprint please indicate the source

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