分布式光伏并网断路器的结构与选型分析

Analysis of the Structure and Selection of Distributed Photovoltaic Grid Connected Circuit Breakers

阐述低压分布式光伏接入风险和现状,分析配电生产专用保护控制并网断路器技术需求,以及微型断路器、塑壳断路器两种不同结构形态断路器的功能、性能参数,探讨低压分布式光伏典型接入场景下并网断路器选型,支撑低压分布式光伏安全接入。

This paper describes the risks and current situation of low-voltage distributed photovoltaic access,analyzes the technical requirements for dedicated protection and control grid connected circuit breakers in distribution production,as well as the functions and performance parameters of two different structural forms of circuit breakers,micro circuit breakers and molded case circuit breakers.It explores the selection of grid connected circuit breakers in typical low-voltage distributed photovoltaic access scenarios to support the safe access of low-voltage distributed photovoltaic.