TITLE:
The Influence of Abnormal Data on Relay Protection
AUTHORS:
Xuze Zhang, Xiaoning Kang, Yali Ma, Hao Wang, Qiyue Huang
KEYWORDS:
Relay Protection, Abnormal Data, Fourier Algorithm
JOURNAL NAME:
Energy and Power Engineering,
Vol.9 No.4B,
April
6,
2017
ABSTRACT: The parameters of abnormal data are defined and their influence on the original data and Fourier Algorithm is studied. A formula is proposed to quantify how the abnormal data influences the amplitude calculated by Fourier Algorithm. Two simulation models are established in Matlab to study the influence of abnormal data on relay protection. The simulation results show that the abnormal data can make distance protection extend the fault’s influence and make over current protection start by error.