800kV双断口罐式断路器在750 kV电网中的应用

Application of 800 kV Dead Tank Circuit Breaker with Double Fracture in 750 kV Power Grid

介绍了国内首台拥有自主知识产权的800 kV双断口罐式断路器的技术参数、结构;讨论了750 kV系统时800 kV罐式断路器的特殊要求(包括灭弧室、出线套管、合闸电阻、并联电容器、操动机构等);最后归纳了LW13-800罐式断路器在750 kV系统运行中应重点注意的事项。

The paper introduced the technical parameter and structure of 800 kV dead tank circuit breaker with double fracture, which is the first one with autonomous intellectual property fights of domestic technology; and discussed the special requirements of 750 kV power system for 800 kV dead tank circuit breaker including extinguishing chamber, line bushing, closing resistance, shunt condenser, operation mechanism etc.. The item s of key notice in operation of LW13 - 800 dead tank circuit breaker in 750 kV power system were summarized finally.