清江流域电厂主变大修及工艺改进

摘要

介绍了清江流域电厂主变压器大修主要内容，包括高压套管及密封更换、变压器油含气量超标处理、变压器油介损超标处理、夹件放电处理，还介绍了真空注油工艺改进及一些大修中的实用技巧。%Overhauling process of the main transformers in power stations in Qingjiang River are described , including the replacement of high voltage bushing and seals , treatment of excessive air content and dielectric loss of the transformer oil, and treatment of the clamp discharging problem .Technical improvements on the vacuum oiling and some practical skills adopted in the overhauling are also presented .