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What are the precautions for photovoltaic inverter maintenance?

by:Fangpusun     2020-09-09
Usually, the ac electrical energy transform into direct current (dc) can be called rectification, the process of the complete function of rectifier circuit known as the rectifier circuit, the rectifying process or rectifier device called a rectifier device. And at the same time, the direct current (dc) can transform into ac inverter' target='_blank'>power inverter is the process by which, the complete function of inverter circuit known as the inverter circuit, the implement process of inverter device called the inverter device or inverter. In simple terms, photovoltaic inverter is a device that converts direct current (dc) to alternating current. Photovoltaic power generation system after installation of interconnection, hard to avoid is not problems, problems will check after repair, maintenance need to pay attention to the following: 1, before any repair work, should first disconnect the electrical connection in the inverter to the power grid, and then disconnect dc electrical connections. 2, wait at least 5 minutes until completion of the internal components discharge shall be for repair work. 3, avoid unnecessary circuit board contact 4, any affecting the safe performance of the photovoltaic inverter fault must immediately ruled out can again open the inverter. 5, pay attention to and comply with the warning label on the product. 6, abide by the electrostatic protection specification, wear anti-static bracelet. 7 before operation, the initial visual inspection equipment is damaged or other dangerous state. 8, pay attention to the inverter hot surface. Such as the radiator of the power semiconductors, in inverter power cuts after a period of time, still keep high temperature. Finally, after the completion of machine maintenance, to ensure that any fault has been affecting the safe performance of the inverter will solve, can again open the inverter. Pv inverter as an electronic product, is made up of many components. As a mechanical industrial goods, and equipment problems inevitably. Understand the photovoltaic (pv) grid inverter maintenance specification, attention in the process of daily maintenance, so as to avoid the happening of hidden trouble. More articles about photovoltaic inverter show: solar photovoltaic inverter principle, what are the requirements?
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