阀侧角接换流变压器现场长时感应耐压带局放试验  

The On-site Test of AC Long Duration with Partial Discharge on Delta Wired Valve Winding Converter Transformers

作　　者：吕家圣[1] 吴德贯[1] 余忠田[1] 伍衡[1] 周禹[1] 彭翔[1] 

机构地区：[1]中国南方电网超高压输电公司检修试验中心,广州510663

出　　处：《南方电网技术》2014年第5期15-19,共5页Southern Power System Technology

摘　　要：在糯扎渡特高压直流工程普洱换流站换流变压器交接试验工作中,以某台角接换流变压器为例,研究并成功实施了现场采用阀侧直接对称加压方式的换流变压器长时感应耐压带局放试验。详细介绍了试验方法及原理、所需仪器设备、参数计算和现场应用情况,同时也对现场试验实施过程中积累的经验进行了总结。During the power device handover acceptance tests for Pu＇er converter station of Nuozhadu HVDC project,the paper took one of delta converter transformers in Pu＇ er converter station as an example,studied and successfully implemented the on-site HVDC converter transformer＇ s AC long duration （ACLD） with partial discharge test by means of generating symmetrical testing pressure on valve winding.The testing method and principle,instruments and devices for testing,related parameters deducing and calculation,and the on-site implementation process are introduced in detail.Some experience from the testing process are summed up.

关 键 词：特高压直流 换流变压器 长时感应耐压 局部放电 对称加压 

分 类 号：TM422[电气工程—电器] TM406