Testability Analysis of Grounding Grids Using Network Transformation

A novel topology analysis method is presented to analyze the testability of grounding grids, and creditability is firstly proposed as an important index to evaluate the results. In this method, inaccessible nodes are eliminated by wye-delta transformation, followed by the calculation of testability...

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Hauptverfasser: Tao Niu, Yingjiao Zhang, Debo Zhang, Liqiang Liu, Xianjue Luo
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creator Tao Niu
Yingjiao Zhang
Debo Zhang
Liqiang Liu
Xianjue Luo
description A novel topology analysis method is presented to analyze the testability of grounding grids, and creditability is firstly proposed as an important index to evaluate the results. In this method, inaccessible nodes are eliminated by wye-delta transformation, followed by the calculation of testability and creditability index in the reverse direction. Simulation results are provided to prove this method.
doi_str_mv 10.1109/IAS.2009.238
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identifier ISBN: 0769537448
ispartof 2009 Fifth International Conference on Information Assurance and Security, 2009, Vol.1, p.589-592
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Circuit testing
Conductors
creditability
Equations
fault diagnosis
Grounding
grounding grids
Information analysis
Iterative algorithms
Network topology
network transformation
Parameter estimation
Power system simulation
Substations
testability
title Testability Analysis of Grounding Grids Using Network Transformation
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