Dynamic Modeling of Power Systems Experiencing Faults in Transmission/Distribution Networks

Sajeeb Saha; Mohammad Aldeen

doi:10.1109/TPWRS.2014.2365809

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Dynamic Modeling of Power Systems Experiencing Faults in Transmission/Distribution Networks

Journal article

Peer reviewed

Dynamic Modeling of Power Systems Experiencing Faults in Transmission/Distribution Networks

Sajeeb Saha and Mohammad Aldeen

IEEE Transactions on Power Systems, Vol.30(5), pp.2349-2363

2015

DOI: https://doi.org/10.1109/TPWRS.2014.2365809

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Abstract

dynamic modeling

stator dynamics

symmetrical components

synchronous generator

unsymmetrical faults

In this paper we address some shortcomings in existing nonlinear dynamic models of power system experiencing symmetrical and unsymmetrical faults in their transmission/distribution networks. The shortcomings relate to: 1) approximations relating to stator dynamics, internal voltage of the positive sequence network and the dynamics of the negative and zero sequence networks, and 2) existing models are time -variant, which may not be suitable for system studies such as stability and fault detection studies that require time invariant model. The approximations outlined in 1) adversely affect the modeling accuracy, especially that of the system response during the period immediately after the occurrence of faults. We present in this paper a full fault-dependent time-invariant dynamical model of power systems experiencing symmetrical and unsymmetrical faults in their transmission/distribution networks and verify it through simulation studies mimicking real life scenarios. IEEE 30 bus power system is considered as the study case. The simulation results are compared to Matlab's "SimPower" and PSCAD/EMTDC software packages.

Details

Title: Dynamic Modeling of Power Systems Experiencing Faults in Transmission/Distribution Networks
Authors: Sajeeb Saha (Author) - University of Melbourne
Mohammad Aldeen (Author) - University of Melbourne
Publication details: IEEE Transactions on Power Systems, Vol.30(5), pp.2349-2363
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/TPWRS.2014.2365809
ISSN: 1558-0679
Organisation Unit: University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99532306902621
Output Type: Journal article

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