The effect of photovoltaic (pv) grid inverter and classification

Grid inverter is the core of the entire photovoltaic (pv) grid power generation system, it will power inverter from the pv array into 220 v / 50 hz sine wave current power grid. Grid inverter with large photovoltaic power station is commonly used in system, many parallel photovoltaic group of string is connected to a single centralized inverter dc input, the use of the general power three-phase IGBT power modules, the use of smaller power field effect transistor, at the same time using DSP conversion controller to improve the quality of the output power, making it very close to the sine wave current. Grid inverter is generally divided into grid-connected photovoltaic grid-connected inverter, wind grid-connected inverter, power equipment, inverter and other inverter grid-connected power generation equipment. Biggest characteristic is the system of high power, low cost. Keywords: grid inverter more articles about inverter show: the user how to choose a good photovoltaic inverter
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