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Traveling wave‐based protection for TCSC connected transmission lines using game theory
International Transactions on Electrical Energy Systems ( IF 2.3 ) Pub Date : 2020-08-04 , DOI: 10.1002/2050-7038.12545
Mehrdad Khalili 1 , Farhad Namdari 1 , Esmaeel Rokrok 1
Affiliation  

This article aims to propose a novel single‐end protection scheme for the compensated transmission line using traveling waves and game theory. First, this study evaluates the effects of thyristor controlled series capacitor (TCSC) on traveling waves (TW) passing through TCSC location. Following that, it investigates the impacts of TCSC switching on conventional protections based on the traveling wave theory. In the next stage, a single‐end method will be presented to protect faults on compensated transmission lines with TCSC. Moreover, the game theory will be employed to discriminate extracted TWs in this article. In total, two techniques (ie, mathematical morphology filter [MMF] and discrete wavelet transform [DWT]) will be used to process the signals and investigate the sensitivity of the proposed scheme regarding the extraction techniques of TW. The proposed protection scheme is revealed to be a reliable and accurate method for all possible types of faults on compensated transmission lines at the middle of the line and with various fault inception angles.

中文翻译:

基于博弈论的TCSC输电线路行波保护

本文旨在利用行波和博弈论为补偿传输线提出一种新颖的单端保护方案。首先,本研究评估了晶闸管控制串联电容器(TCSC)对通过TCSC位置的行波(TW)的影响。随后,本文基于行波理论研究了TCSC切换对常规保护的影响。在下一阶段,将提出一种单端方法,以使用TCSC保护补偿传输线上的故障。此外,本文将采用博弈论来区分提取的TW。总的来说,将使用两种技术(即数学形态学滤波器[MMF]和离散小波变换[DWT])来处理信号,并研究所提出方案关于TW提取技术的敏感性。
更新日期:2020-10-11
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