基于联合试验装置的TCR阀高电压试验方式损耗分析

详尽分析了晶闸管控制电抗器(Thyristor Controlled Reactor,TCR)阀高电压试验方式的电路拓扑与工作原理,采用对损耗分类的方法对TCR阀高电压试验方式下各类损耗进行了详细定义,并给出了各类损耗的计算公式.在此基础上,结合高电压试验方式中TCR阀的工作时序分析了试品阀开通1次的总能量损耗及辅助阀开通1次的总能量损耗.针对同一算例的损耗分析结果与EMTDC仿真结果比较表明,在TCR阀高电压试验方式下该损耗分析方法可给出比PSCAD/EMTDC仿真更准确、更全面的结果.

Loss Analysis of TCR Valve under High Voltage Test Mode

The circuit topology and working principle of thyristor controlled reactor (TCR) valve under high voltage test mode are analyzed in detail. The detailed definitions of various losses emerged during the high voltage test for TCR valve are conducted by means of classification of them and the calculation formulae for different losses are given. On this basis and according to the working sequence of TCR valve under high voltage test mode, the total energy loss of the tested valve and that of the auxiliary valve, while they are cutovered once respectively, are analyzed. Compared the analysis results of the test with those by EMTDC simulation for same calculation example, it is shown that the loss analysis result of TCR valve under high voltage test mode by the proposed loss analysis method is more accurate and overall than that from PSCAD/EMTDC simulation.