Analytical Representation of the Relationship Between Generator Design and System Fault Behavior

McDonald, J. D. F. and Saha, Tapan K. (2005) Analytical Representation of the Relationship Between Generator Design and System Fault Behavior. IEEE Transactions on Power Systems, 20 3: 1215-1223. doi:10.1109/TPWRS.2005.851914

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Author McDonald, J. D. F.
Saha, Tapan K.
Title Analytical Representation of the Relationship Between Generator Design and System Fault Behavior
Journal name IEEE Transactions on Power Systems   Check publisher's open access policy
ISSN 0885-8950
Publication date 2005-08-01
Sub-type Article (original research)
DOI 10.1109/TPWRS.2005.851914
Volume 20
Issue 3
Start page 1215
End page 1223
Total pages 9
Editor V. Vittal
Place of publication Piscataway
Publisher IEEE
Collection year 2005
Language eng
Subject 290901 Electrical Engineering
660304 Energy systems analysis
660301 Electricity transmission
C1
Abstract This paper presents the development and application of an analytical method for formalizing the dependence of the behavior of a large power system under fault conditions on the equivalent impedance presented by a single generator. After selecting an appropriate generator model, it is demonstrated that network-wide fault behavior can be expressed as a rational function of the equivalent impedance presented by a single generator under fault conditions. This representation simplifies the identification and depiction of constraints imposed by system configuration on the ability of a generator replacement or augmentation to affect fault behavior. The effectiveness of the proposed method is confirmed by considering the three-phase fault currents produced in a six-bus test system. In addition, the new analytical method is extended to obtain a numerical estimate of the maximum possible change in fault behavior that could result from a generator replacement or augmentation. Overall, the new approach aids in the evaluation of the suitability of generator modification or augmentation schemes.
Keyword power generation faults
power generation planning
power system faults rational functions
Engineering, Electrical & Electronic
Q-Index Code C1

 
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Created: Fri, 05 Aug 2005, 10:00:00 EST by Tapan Kumar Saha on behalf of School of Information Technol and Elec Engineering