基于铁芯控制的串联补偿型故障限流器
发布时间：2018-08-13 21:13
【摘要】：基于饱和铁芯型故障限流器的结构,提出控制直流偏置电流改变限流器输出电抗,从而当故障限流器与电容串联时,可以调节电容补偿系数。设计了限流器直流控制系统,利用氧化锌电阻的非线性特性和双滞环比较控制技术对直流偏置电流进行快速控制。对研制的限流器试验样机进行试验,试验结果表明,应用所提方法及直流控制系统后,串联补偿型故障限流器在系统正常运行时可以实现输出电抗的调节,在系统发生故障时可有效限制短路电流,并在重合闸之前恢复低阻抗状态。
[Abstract]:Based on the structure of the saturated iron core fault current limiter, it is proposed to control the DC bias current to change the output reactance of the current limiter, so that the capacitor compensation coefficient can be adjusted when the fault current limiter is in series with the capacitor. The DC control system of the current limiter is designed. The DC bias current is controlled quickly by using the nonlinear characteristics of the zinc oxide resistance and the double hysteresis comparison control technology. The experimental results show that the series compensated fault current limiter can realize the regulation of output reactance when the system is in normal operation by using the proposed method and the DC control system. It can limit the short circuit current and restore the low impedance state before reclosing.
【作者单位】： 东南大学电气工程学院;
【基金】：江苏省产学研前瞻性联合研究项目(BY201115) 东南大学重大科学研究引导基金资助项目(2011seuzd09)~~
【分类号】：TM471
[Abstract]:Based on the structure of the saturated iron core fault current limiter, it is proposed to control the DC bias current to change the output reactance of the current limiter, so that the capacitor compensation coefficient can be adjusted when the fault current limiter is in series with the capacitor. The DC control system of the current limiter is designed. The DC bias current is controlled quickly by using the nonlinear characteristics of the zinc oxide resistance and the double hysteresis comparison control technology. The experimental results show that the series compensated fault current limiter can realize the regulation of output reactance when the system is in normal operation by using the proposed method and the DC control system. It can limit the short circuit current and restore the low impedance state before reclosing.
【作者单位】： 东南大学电气工程学院;
【基金】：江苏省产学研前瞻性联合研究项目(BY201115) 东南大学重大科学研究引导基金资助项目(2011seuzd09)~~
【分类号】：TM471
【参考文献】
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