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Determination of Power System Coherent Bus Groups by Novel Sensitivity Based Method for Voltage Stability Assessment

By Craig Aumuller and Tapan Kumar Saha


This paper presents a method that is used to determine the coherent bus groups of a system who have similar reactive reserve basins. The differences between this proposed method and another widely accepted voltage stability analysis method will be highlighted in this paper and results obtained from the proposed method will be discussed. This method will be shown to be more efficient and requiring less VQ curve computations. Results obtained from the test systems support the method’s validity. 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

Topics: coherent bus groups, voltage stability, sensitivity analysis, 290901 Electrical Engineering
Publisher: IEEE
Year: 2001
DOI identifier: 10.1109/TPWRS.2003.814886
OAI identifier:

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