分析±500 kV荆门换流站换流变内部分解开关绝缘件的更换、换流变本体渗漏油和注油中的假油位问题，提出解决方案。工程实践表明方案具有很好的可行性。分析过程和解决方案可供相关技术人员参考。

The problems occur in converter transformer of ±500 kV Jingmen converter station are analyzed, including the change of insulators in tap changing switch, the oil leakage of and the false oil level during oiling. The corresponding solutions are further presented, which is proved to be feasible by the engineering practice, providing references to deal with similar problems in the future project.