运行条件下换流变漏油问题分析及处理

Analysis and Treatment of Oil Leakage of Converter Under Operating Conditions

换流变压器作为高压直流输电系统的重要组成,其对于高压直流输电系统的运行发挥着重要作用。因为高压直流工程往往需要较大的输送功率,所以其对于换流变压器的性能要求相对比较高。从换流变压器自身的角度而言,其自身的结构相对更为紧密和复杂。就当前而言,换流变压器技术较为成熟的当属西门子以及ABB,二者的技术存在一定差异,比如ABB公司采用的是强制油循环的方式,西门子技术路线以强制感应油循环风冷方式为主,漏油问题相对突出。

As an Important Part of Hvdc Transmission System,Converter Transformer Plays an Important Role in the Operation of Hvdc Transmission System.Because Hvdc Projects Often Need Large Transmission Power,Its Performance Requirements for Converter Transformers Are Relatively High.from the Perspective of Converter Transformer Itself,Its Structure is Relatively More Compact and Complex.at Present,Siemens and Abb Have More Mature Converter Transformer Technology,and There Are Some Differences Between Them.for Example,Abb Adopts the Forced Oil Circulation Mode,and Siemens’Technical Route Mainly Takes the Forced Induction Oil Circulation Air Cooling As the Cooling Mode,and the Problem of Oil Leakage is Relatively Prominent.