Effect analysis of shunt device on Distance protection in PSCAD and MATLAB for L-G fault

2015 International Conference on Energy Systems and Applications Pub Date : 2015-10-01 DOI:10.1109/ICESA.2015.7503355

Krishna T. Madrewar, V. Aranke, Gorakshnath B. Abande

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引用次数: 1

Abstract

This paper presents analytical procedure and simulation results of distance relay for the application of protection of transmission line with STATCOM and simulation results for investigating the operation of Distance relay in a power system containing flexible alternating current transmission (FACTS) controller such as static synchronous compensator (STATCOM) in PSCAD and MATLAB. An apparent impedance calculation procedure for transmission line incorporating STATCOM based on the power frequency sequence circuits has been explored. When STATCOM is connected at the midpoint and fault is after STATCOM have great impact on distance relay tripping characteristics. The simulation results show the impact of STATCOM on distance relay during phase to ground fault condition. In the presence of STATCOM, its controlling parameters as well as its installation location also affect the tripping characteristics. Here, simulate the Distance Relay and plot the zones and create fault in different zones and show the result with and without STATCOM. The simulation results are presented in relation to typical 300km transmission line, 400KV transmission system employing STATCOM.

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在PSCAD和MATLAB中分析并联装置对L-G故障的距离保护效果

本文给出了用STATCOM保护输电线路的距离继电器的分析过程和仿真结果，以及在PSCAD和MATLAB中对包含静态同步补偿器(STATCOM)等柔性交流输电(FACTS)控制器的电力系统中距离继电器的运行情况进行仿真研究的结果。探讨了一种基于工频序列电路的含STATCOM的传输线视阻抗计算方法。中点连接STATCOM和故障发生在STATCOM之后对距离继电器脱扣特性有很大影响。仿真结果显示了在相接地故障情况下，STATCOM对距离继电器的影响。STATCOM存在时，其控制参数和安装位置也会影响起下钻特性。在这里，模拟距离继电器并绘制区域，并在不同区域创建故障，并显示有和没有STATCOM的结果。给出了采用STATCOM的400KV输电系统300km典型输电线路的仿真结果。

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2015 International Conference on Energy Systems and Applications

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