特高压电器设备绝缘试验技术研究

介绍了西高所高电压试验室实施特高压电器设备绝缘试验的情况及存在的问题,针对几个难度较大试验项目的试验技术进行了探讨,如套管的电容量及介质损耗测量、局部放电测量、开关设备断口间的联合电压试验、隔离开关开合容性及感性小电流试验、直流换流阀单阀的冲击试验,并且在最后提出了比较可行的试验方案。

Study on Insulation Test Techniques for Ultra-high-voltage Equipment

The first ultra-high voltage AC transmission project is in construction now.And various of the UHV equipment,such as GIS,circuit breaker,disconnector,bushing,insulator etc.,have been developed successfully.This paper introduces the key problems exist in performing dielectric test on UHV ap paratus,discusses several difficult test items,including partial discharge measurement of bushing,combined voltage test across the break of switchgear,as well as impulse test on HVDC single valve,etc.Meanwhile,the feasible test schemes are proposed.