换流变压器温升试验中补偿电容器的研究与设计

Research and Design of Compensation Capacitor in the Temperature Rise Test of Converter Transformer

介绍了换流变压器温升试验的一般方法,并着重就温升试验中补偿电容器的补偿原理、容量估算等方面进行了研究。在此基础上,设计了一套具有256种不同容量组合的补偿电容装置,通过气动隔离开关进行连接控制,可方便实现容量调整,从而满足不同电压等级和容量需求的换流变压器的温升试验要求,具有一定的工程指导意义。

The general method of temperature rise test of converter transformer was introduced.The compensation principle and capacity estimation of compensation capacitor in temperature rise test were mainly studied.On this basis,a compensation capacitor device with 256 different capacity combinations was designed.Through the connection control of pneumatic disconnector,the capacity adjustment could be easily realized,so as to meet the temperature rise test requirements of converter transformer with different voltage levels and capacity requirements,which had certain engineering guiding significance.