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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Indonesian Journal of Electrical Engineering and Computer Science
Xianggen Yin
Huazhong University of Science and Technology
Computer Science & IT

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Traveling-Wave-Based Fault Location in Electrical Distribution Systems With Digital Simulations Jinrui Tang; Xianggen Yin; Zhe Zhang
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 12, No 2: June 2014
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v12i2.67

Abstract

Traveling-wave-based fault location in electrical distribution systems is an important safeguard for the distribution network reliability. The effectiveness of the methods is verified directly in power grid in the early stages, while different fault types can't appear in a short time. And normal dynamic physical simulation cannot meet the teaching demand either because of the limitation of transmission line model and other factors. So PSCAD/EMTDC and MATLAB are used to illustrate the the fault location methods in this paper, which can promote the traveling-wave-based fault-location technology. Meanwhile, the traveling-wave-based fault-location method based on characteristic frequencies is analyzed in this paper.
Communication Modeling for Wide-Area Relay Protection Based on IEC 61850 GuoYan Chen; Xianggen Yin; Kai Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 7: November 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Wide-area communication system is the information exchange supporting platform for wide-area relay protection (WARP), which includes not only visible physical communication equipment and links, but also communication protocols and other upper communication services. WARP communication had become an important issue in WARP practical applications, but it has not been described in IEC 61850 standard. To solve this issue, this paper firstly presents the general steps of WARP modeling according to the layer upon layer modeling methods of the IEC 61850 standard, then proposes a tree structure model of master station and affiliate stations with information interaction model between master station and affiliate stations following IEC 61850 by taking a 220kV smart substation and WARP algorithm based on fault voltage distribution for example, finally establishes a communication model of WARP that includes client/server transfer model, electrical value transmission model and logical status variables transmission model. The fundamental purpose of constructing the communication model is to implement the interoperability between WARP−IED (WARP−Intelligent Electronic Devices) and other IEDs in a smart substation. DOI:http://dx.doi.org/10.11591/telkomnika.v10i7.1562
Co-Authors GuoYan Chen Jinrui Tang Kai Zhang Zhe Zhang