The Influence of Abnormal Data on Relay Protection - Energy and Power Engineering

EPE > Vol.9 No.4, April 2017

Energy and Power Engineering

Volume 9, Issue 4 (April 2017)

ISSN Print: 1949-243X ISSN Online: 1947-3818

Google-based Impact Factor: 0.66 Citations

The Influence of Abnormal Data on Relay Protection ()

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Download as PDF (Size: 355KB) PP. 95-101

DOI: 10.4236/epe.2017.94B012 2,505 Downloads 3,052 Views

Author(s)

Xuze Zhang¹, Xiaoning Kang¹, Yali Ma², Hao Wang¹, Qiyue Huang¹

Affiliation(s)

¹Shaanxi Key Laboratory of Smart Grid (Xi’an Jiaotong University), Xi’an Jiaotong University, Xi’an, China.
²Tianjin Power Transmission and Transformation Engineering Company, Tianjin, China.

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.

KEYWORDS

Relay Protection, Abnormal Data, Fourier Algorithm

Share and Cite:

Zhang, X. , Kang, X. , Ma, Y. , Wang, H. and Huang, Q. (2017) The Influence of Abnormal Data on Relay Protection. Energy and Power Engineering, 9, 95-101. doi: 10.4236/epe.2017.94B012.

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