Determination of power system coherent bus groups by novel sensitivity-based method for voltage stability assessment

Aumuller, Craig Anthony, and Saha, Tapan Kumar (2003) Determination of power system coherent bus groups by novel sensitivity-based method for voltage stability assessment. IEEE Transactions on Power Systems, 18 (3). pp. 1157-1164.

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Abstract

This paper presents a method that is used to determine the coherent bus groups of a system with similar reactive reserve basins. The differences between this proposed method and another widely accepted voltage stability analysis method are highlighted in this paper and results obtained from the proposed method are discussed. This method is highlighted as being more efficient and requiring comparatively less VQ curve computations. Definitions are proposed for the categorization of buses by the cause of their loading limitation. Results obtained from the test systems support the method's validity and the validity of the bus categories proposed. By determining the reactive reserve margin, it is possible to determine which generators will have an impact on the maximum permissible loading of a bus and which will not. This information is particularly useful for performing voltage stability analysis.

Item ID: 13757
Item Type: Article (Refereed Research - C1)
Keywords: Coherent Bus Groups; Sensitivity Analysis; Voltage Stability
ISSN: 1558-0679
Date Deposited: 02 Nov 2010 06:51
FoR Codes: 09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified @ 100%
SEO Codes: 85 ENERGY > 8506 Energy Storage, Distribution and Supply > 850604 Energy Transmission and Distribution (excl. Hydrogen) @ 100%
Citation Count from Web of Science Web of Science 17
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