高压直流换流阀内冷水系统气泡导致水压失稳研究  

Study on Water Pressure Instability Caused by Bubble in inner Cooled Water System of HVDC Converter Valve

作　　者：孙恒明[1] 邓本飞[2] 曹继丰[1] 

机构地区：[1]华南理工大学电力学院,广东省广州市510641 [2]中国南方电网超高压输电公司天生桥局,贵州省兴义市562400

出　　处：《电力设备》2007年第9期24-26,共3页Electrical Equipment

摘　　要：介绍了高压直流系统换流阀内冷水系统的主要结构参数和运行特性,以及在某些运行情况下,会产生大量的气泡而导致内冷水系统的压力不稳定,从而影响高压直流系统安全运行的情况。着重分析了内冷水系统出现气泡的机理,并提出了一些有效的解决和改进措施。This paper introduced the major structural parameters and operation property of inner cooled water system of HVDC converter valve. In some operation conditions, the water pressure instability caused by bubble in inner cooled water system of HVDC converter valve was also introduced, which affected the safety operation of HVDC system. The mechanism of bubble arising in inner cooled water system was analyzed emphatically, and some effective solutions and improvement measures were put forward. It is expected to have certain reference role for operation and maintenance of the similar HVDC valve cooled water system.

关 键 词：内冷水系统 密封 渗漏 气泡 压力直流输电系统 

分 类 号：TM721[电气工程—电力系统及自动化]