标题:
重燃过电压下基于Mayr-Cassie模型的电弧仿真分析Simulation of Arc Based on Mayr-Cassie Model under Restrike Overvoltage
作者:
陈俊, 谢林涛, 钟杰, 杨帆
关键字:
重燃过电压, 电弧模型, 电弧仿真, 电弧外部特性Restrike Overvoltage; Arc Model; Simulation of Arc; External Characteristic Arc
期刊名称:
《Smart Grid》, Vol.3 No.4, 2013-08-07
摘要:
过电压下开关柜内电弧仿真对于开关电器设计与改造有重要意义。本文通过EMTDC/PSCAD对变电站投切并联电容器的仿真计算，考虑了不同重燃方式的影响，得到了开关柜内过电压波形。并在MALAB/Simlink建立基于Mayr-Cassie模型的电弧模型，通过对不同过电压下的电弧模拟仿真。得到了在过电压下电弧的电压、电流曲线。计算结果表明：模型能良好的反应过电压下电弧重燃的外部特性。Arc simulation under overvoltage in switchgear has great significance to its design and retrofit. This article simulated the thyristor switched capacitor in transformer substation by EMTDC/PSCAD, in which, different way of restrike was considered and overvoltage waveform was obtained. The arc model based on Mayr-Cassie model is estab- lished in MATLAB/Simlink. Through the simulation of different way of overvoltage, the voltage curve, current curve of arc is obtained. The simultaneous result shows: the model could reflect the external character of arc restrike under overvoltage.