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Recent Advances in Electrical & Electronic Engineering

Editor-in-Chief

ISSN (Print): 2352-0965
ISSN (Online): 2352-0973

Wide Area Current Phase Differential Protection Based on Stamp Sampling Point

Author(s): Zhenxing Li, Xin Wang and Hong Yang

Volume 8 , Issue 1 , 2015

Page: [42 - 49] Pages: 8

DOI: 10.2174/2352096508666150220232814

Price: $65

Abstract

With the development of digital technology, more and more applications of current phase differential protection have been implemented in smart power grid and large power system, thereby reducing the dependency of wide area differential protection to accurate synchronous sampling. In this paper, the transmitted sample values are re-treated to promote implementation of WCPDP in the actual projects based on 0-1 quantitative principle. To enhance the WCPDP design and application, certain topics are concerned in the article respectively, such as segregated current starting algorithm, synchronization correction method and wide area protection scheme. The simulation results show that the WCPDP proposed by the paper has smaller amount of communication traffic, simpler principle, faster action and higher sensitivity which can accommodate the working conditions of high-resistance grounding fault, open-phase operation and evolving fault.

Keywords: 0-1 quantitative principle, current phase differential protection, synchronization correction method, wide area protection.

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