大金坪水电站变压器保护改造研究

Research on Transformer Protection Transformation of Dajinping Hydropower Station

对大金坪水电站1号变压器保护进行了技术改造,采用了一流厂家技术最先进、满足国家电网规程、标准、反措要求的新型变压器保护装置,构建了可靠性、速动性、选择性、灵敏性更好的变压器保护。结合实践经验,研究了变压器保护改造的必要性、改造策略、技术创新及需要重点解决的问题。

The protection device of No.1 transformer in Dajinping hydropower station has been technically upgraded, and a new transformer protection device with the most advanced technology from the first-class manufacturer and meeting the requirements of the regulations, standards and countermeasures of the state grid has been adopted to build a transformer protection with better reliability, speed, selectivity and sensitivity. Combined with practical experience, studies are performed on the necessity, transformation strategy, technological innovation and key problems concerning transformer protection transformation to be solved.