Operation feasible zone evaluation method for high-capacity photovoltaic inverter system connected to power grid
作者： Huang Yafeng , Li Long , Liu Jia , Ye Dewu , Yan Gangui
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摘要: The invention provides an operation feasible zone evaluation method for a high-capacity photovoltaic inverter system connected to power grid. is characterized by comprising the following steps that impedance per unit value of grid which calculated with rated capacity and connecting point voltage serving as reference values used quantitative index measuring strength grid; according given controller stability margin constraint, boundary expressed through derived; on basis flow equation to, relation between solutions created, meets corresponding constraint derived access regulation therefore operating state can be determined. has advantages being clear, scientific reasonable in system, simple process like.
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