Analysis of the Current Chopping and Breaker Stresses in Electric Power Networks

Authors

  • Mohamed Mostafa Saied Life Senior Member, IEEE, Professor (Emeritus), Independent Researcher, Giza, Cairo

Abstract

This paper addresses the phenomenon of current chopping in electric power networks and the resulting circuit breaker transient recovery voltage. Its dependence on the pre-interruption loading conditions and the data of the power network is demonstrated. A Laplace-domain model with normalized network circuit parameters is adopted and a closed-form expression for the recovery voltage is derived. A numerical Laplace inversion technique using Mathematica is implemented in order to get its time waveform. A parameter study based on the results of seven representative case studies utilizing the proposed technique is documented and discussed.

Author Biography

  • Mohamed Mostafa Saied, Life Senior Member, IEEE, Professor (Emeritus), Independent Researcher, Giza, Cairo

    Independent Researcher, Full Professor, Electrical Engineering 

    B.Sc. , Electrical Engineering, Cairo University (1965)

    Dipl.-Ing. , Electrical Engineering, RWTH, Aachen University, Germany (1970)

    Dr.-Ing. , Electrical Engineering, RWTH, Aachen University, Germany (1974)

    Full Professor, EE, Kuwait University (1983-2009)

    Visiting Full Professor, EE, Kuwait University (1998-1099)

    Pepartment Chairman, EE, Kuwait University (2004-2009)

     

References

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Mark McVey:”Transient Recovery Voltage (TRV) and Rate of Rise of Recovery Voltage (RRRV) of Line Circuit Breakers in Over Compensated Transmission Lines”, Cigre Report GOTF 2017.

Eiichi Haginomori, Kenji Yoshimura, Shunichi Kobayashi, Sadanori Kaneko, Takeshi Yokota, Masayuki Ishikawa:” TRVs and fault clearing stresses in extra-high-voltage radial networks. Electrical Engineering in Japan. 1994;114(4): 50-61.

A. Colombo, J. Couvreux, W. Gielessen, P. G. Kendall and J. Vontobel:, "Determination of Transient Recovery Voltages by Means of Transient Network Analyzers," in IEEE Transactions on Power Apparatus and Systems. June 1968; PAS-87(6): 1371-1380. doi: 10.1109/TPAS.1968.292103.

M. Saied:”A model for computing the breaker reignition current following interruption of the charging current of long unloaded line “December 2004 Conference: Transmission and Distribution Conference and Exposition: Latin America, 2004 IEEE/PES, DOI: 10.1109/TDC.2004.1432466, Conference: on Transmission and Distribution Conference and Exposition: Latin America, 2004 IEEE/PES

M. Saied:” The Kilometric Faults: Modeling and Normalized Relations for Line Transients and the Breaker-Recovery Voltage”, IEEE Transactions on Power Delivery 20(2):1025- 1030. DOI: 10.1109/TPWRD.2004.832358

M.Saied, E.A.Oufi, E.E.El-Attar: “Theoretical and Experimental Investigations on Circuit Breaker Transient Recovery Voltages”, IFAC Proceedings Volumes 22(9):407-410, Korea

M. Popov, L. van der Sluis, G. C. Paap: “Investigation of the Circuit Breaker Reignition Overvoltages Caused by No-load Transformer Switching Surges. European Transactions on Electrical Power., November/December 2001; II(6), pp.413-422.

M.Saied: “Circuit Breakers’ Recovery Voltage Transients: Impact of Composite Loads and Power Network’s Configuration. Journal of Power Electronics and Power Systems (JoPEPS), 2021; 11(2): 18-26.

Hosono: “Numerical inversion of Laplace transform and some applications to wave optics” [online]. Available from https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/RS016i006p01015 https://doi.org/10.1029/RS016i006p01015, First published:[November-December 1981].

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Wolfram Research: “Invert a Laplace Transform Using Post's Formula”[online].Available from https://www.wolfram.com/language/12/core-calculus/invert-a-laplace-transform-using-posts-formula.html?product=mathematica

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Published

2021-09-29

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Vol. 11 No. 2 (2021)

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