断路器改造中对控制回路的优化

Optimization of Controlling Loop During Alteration of Circuit Breaker

下花园发电厂220 kV断路器改造,新断路器有完善的控制回路,与原断路器操作箱和保护装置功能上存在重复、冲突,针对这些问题进行分析,提出解决方案并进行实施,完善断路器与操作箱和保护装置的配合,保证新安装设备的可靠运行。

The alteration of 220 kV circuit breaker in Xiahuayuan Power Plant,the new circuit breaker has a perfect control loop, but it has some problem of duplication and conflicts with the original circuit breaker boxes and protective devices function. This paper analyses these issues, proposes solutions and implementation, to make sure that the new circuit breaker can match with the operation boxes and the protection device, and ensure that the newly installed equipment can operate reliably.