万家寨水电站发变组保护换型改造

Reform of Protection Equipment of Generator and Transformer in Wanjiazhai Hydropoer Station

发变组保护的运行状况直接决定发电厂的设备安全。针对原发变组保护存在的问题,将发变组保护换型为新型发变组保护装置。介绍了万家寨水电站发变组保护升级改造的思路和优化配置情况,并对改造的几个侧重点进行了阐述。经改造后,优化了保护的配置,大幅提高了保护应有的性能,为主设备的运行提供了更有力的保障。

According to the existing problems of the prior units, the prior ones were changed into the new types. The thoughts of upgrade and innovation in generator-transformer protection was introduced and some stressed points were also discussed. After transformer, the allocation was optimized and some qualities were improved, which also provided the safeguard for the sets operation.