大唐国际神头第二发电厂#4机组两机励磁改造模式及应用

Renovation Mode and Applications of No.4 Generator-Transformer Units in Shentou No.2 Power Plant

结合山西大唐国际神头第二发电厂#4机组励磁系统改造的实际情况,对采用北京四方吉思电气有限公司生产的GEC-300微机励磁系统和可编程逻辑控制器PLC逻辑控制相配合进行励磁调节的模式进行了详细的介绍和分析,介绍了两机励磁系统科学实用的改造模式及该模式的方案和特点。

In combination with the actual situation of No.1 generator-transformer unit （generator, main transformer, HV plant service transformer, and exciter） of Shentou No.2 Power Plant of Shanxi State Grid Energy Development Co., Ltd., the paper introduces and analyzes the protection mode and characteristics of the RCS-985B microcomputer-based generator-transformer unit manufactured by Nanjing Nari-Relays Electric Co., Ltd. The test shall meet the regulations on inspection standard for protective operation of the relays and meet the 25 countermeasures of Shanxi Province.