油田热电厂网控SF_6断路器改造二次回路存在的问题及解决方法

Problems existing in secondary circuit after oil-minimum circuit breaker changed into SF_6 breaker and their solutions

针对油田热电厂110 kV、220 kV电气系统以及主变少油断路器改造为SF6断路器过程中,二次设备及回路存在的问题和可能发生的事故隐患进行了详细的论述,旨在各方面条件允许的情况下,对上述设备加以改进,以防止事故的发生。

Problems and hidden troubles occurring possibly in secondary equipment and circuit after oil - minimum circuit breaker of main transformer changed into SF6 breaker for 110 kV and 220 kV system in oil field thermal power plant were discussed in details, with a purpose of further modifying them if condition permits.