Fuzzy Logic Based Protection Scheme for Symmetrical and Unsymmetrical Faults in Three Phase Series Compensated Transmission Line

2016 International Conference on Micro-Electronics and Telecommunication Engineering (ICMETE) Pub Date : 2016-09-01 DOI:10.1109/ICMETE.2016.88

R. Agrawal, Ebha Koley

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引用次数: 2

Abstract

The electricity is the basic need of living nowadays. The reliable supply is essential to satisfy the reliable operation of electricity. This paper presents the fuzzy logic based protection scheme for detection and classification of shunt faults in a three phase series compensated transmission line. A 735 kV, 60 Hz series compensated three phase single circuit transmission lines has been simulated using simulink and simpowersystems toolbox of MATLAB software. The proposed method is based on the fundamental component of voltage measurement of each phase which is provided as input to the fuzzy logic based fault detector and classifier. The proposed scheme has been tested with different symmetrical and unsymmetrical fault cases with variation in fault location, fault resistance and fault inception angle. Based on the simulation results it has been found that the proposed fuzzy logic based protection system detects and classifies both symmetrical and unsymmetrical shunt faults correctly.

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基于模糊逻辑的三相串联补偿线路对称和不对称故障保护方案

电是当今生活的基本必需品。要满足电力的可靠运行，可靠的供电是必不可少的。提出了一种基于模糊逻辑的三相串联补偿输电线路并联故障检测与分类保护方案。利用MATLAB软件中的simulink和simpowersystems工具箱对735kv、60hz串联补偿三相单回路输电线路进行了仿真。该方法将各相位电压测量的基本分量作为输入输入到基于模糊逻辑的故障检测器和分类器中。该方案在不同的对称和非对称故障情况下进行了测试，故障位置、故障电阻和故障起始角度都发生了变化。仿真结果表明，基于模糊逻辑的保护系统对对称和非对称并联故障都能进行正确的检测和分类。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 International Conference on Micro-Electronics and Telecommunication Engineering (ICMETE)

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