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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/570

Title: A new index for voltage stability monitoring and enhancement
Authors: Tare, R S
Bijwe, P R
Keywords: voltage stability
voltage stability index
voltage stability enhancement
Issue Date: 1998
Citation: Electrical Power & Energy Systems, 20(5), 345-351
Abstract: This paper presents a novel proximity index for voltage stability analysis. The proposed index is based on the angle between real and reactive power gradient vectors of load buses. A simple and computationally efficient algorithm is proposed for the evaluation of this index. The proposed index is used for the real time voltage stability enhancement algorithm which uses a very simple and highly efficient procedure similar to the one used in classical economic load dispatch. Generator bus voltage settings, capacitive shunts and line transformer taps have been incorporated as controls. In order to validate the proposed index and its application for voltage stability enhancement, results are obtained for 6-bus and IEEE 30-bus test systems. Compar-ison of results with those obtained with continuation power flow demonstrates the utility of the proposed method.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/570
Appears in Collections:Electrical Engineering

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