串补用电容器型式试验电流仿真研究

Study of the Damping Discharge Current of the Type Test of the Series Capacitor

分析了电力系统中串补用电容器型式试验时阻尼放电和罗氏线圈的工作机理及其参数优选原则。利用罗氏线圈快速测量串联电容器型式试验时阻尼放电电流,并基于 MATLAB/SIMULINK仿真环境建立了一套仿真模型,该模型由等效为集中参数的阻尼放电回路、罗氏线圈及其测量回路组成。实验结果表明,该优选串联电容器型式试验中阻尼放电回路参数、罗氏线圈参数的方法,有利于快速设计具有合理参数的串联用电容器型式试验装置和具有最优电磁参数与良好动态特性的罗氏线圈。

Principles of damping discharge current of the type test of the series capacitor for the compensation application in the power system are analyzed. Methods of optimizing the parameters of the series capacitor type test are presented. Rogowski coil is proposed to measure the damping discharge current of the type test. Operations mechanism and methods of optimizing the parameters of the Rogowski coil are introduced. Experimental results verify the truth of the design principles and methods of the type test of the series capacitor and the Rogowski coil measurement sensor has good dynamic properties.