Photovoltaic power plant's voltage coordinating control system

The utility model relates to a photovoltaic power plant's voltage coordinating control system has the the control unit who receives photovoltaic power plant monitored control system control signal, it calculates module and photovoltaic inverter power factor calculation module to be equipped with the reactive power meter who is connected among the the control unit, reactive power meter calculate the module the input still with the outer automatic voltage var control headtotail of the control unit, dc -to -ac converter and idle dynamic compensation device are connected respectively to the control unit's output. The utility model discloses a photovoltaic power plant's voltage coordinating control system can during voltage fluctuation, to the sectionalized balance output of the idle layering of electric wire netting, guarantee the voltage stabilization of electric wire netting and site under the operating modes such as the meritorious violent undulant and unusual shutting of SVG at photovoltaic power plant. 本实用新型