Practical Test Technology for Protective Equipments in the Concentrated Delivery Area of Large-scale Reneable Energy
In order to comprehensively evaluate and analyze the adaptability and action performance of the protective equipments,including the start-up element,phase selection element and protection algorithms in the centralized grid-connected area of large-scale reneable energy stations,this paper elaborates on the demonstration application of the new relay protection devices applied in the centralized grid-connected area,and discusses the testing technology of the relay protection device under the dominant fault characteristics of the grid-connected inverters of various types of neweable energy sources.