云广±800kV直流换流变压器有载分接开关冷却回路的优化  

Optimization of Convertor Transformer OLTC Cooling Loop of Yunnan-Guangdong ±800 kV DC Project

作　　者：柳坤[1] 常开忠[1] 

机构地区：[1]中国南方电网超高压输电公司安宁局,昆明650000

出　　处：《南方电网技术》2010年第4期74-76,共3页Southern Power System Technology

摘　　要：分析±800kV云广直流换流变压器压器有载分接开关的一起故障,指出该故障是由于换流变压器有载分接开关冷却系统存在设计上的缺陷所致,并在模拟试验的基础上,通过加装节流阀的措施使问题得以解决。A failure of the converter transformer OLTC in Yunnan-Guangdong ±800 kV DC project is analyzed,and it is pointed out that the failure was due to design flaws of the OLTC＇s cooling loop system.Based on simulation tests,the problem was solved with installation of a throttle.

关 键 词：有载分接开关 故障 分析 优化 

分 类 号：TM721.1[电气工程—电力系统及自动化] TM46