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Observability analysis of electric networks considering branch impedance
Journal article   Peer reviewed

Observability analysis of electric networks considering branch impedance

A. Arefi, M.R. Haghifam and S.H. Fathi
International Journal of Electrical Power & Energy Systems, Vol.33(4), pp.954-960
2011
DOI: https://doi.org/10.1016/j.ijepes.2011.01.006
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Abstract

This paper presents an analytical method to analyze the effect of X to R ratio as well as impedance value of branches on observability of a network based on un-decoupled formulation of state estimation (SE) and null space of matrices. The results showed that the X to R ratio of branches had no effect on the observability of networks. In addition, it was shown that observability of some networks was affected by impedance values while some others were not affected. In addition, for branch observability analysis of radial network, a simple and quick method is developed. Illustrative examples of the network under transmission and distribution voltages demonstrate the effectiveness of the proposed methods.

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Source: InCites

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38 Record Views
8 Times Cited - Web of Science

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Collaboration types
Domestic collaboration
Citation topics
4 Electrical Engineering, Electronics & Computer Science
4.18 Power Systems & Electric Vehicles
4.18.472 Power System Stability
Web Of Science research areas
Engineering, Electrical & Electronic
ESI research areas
Engineering
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