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A structurepreserving energy function for stability analysis of AC/DC systems
 K R Padiyar,
 H S Y Sastry
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Direct stability analysis ofAC/DC power systems using a structurepreserving energy function (SPEF) is proposed in this paper. The system model considered retains the load buses thereby enabling the representation of nonlinear voltage dependent loads. TheHVDC system is represented with the same degree of detail as is normally done in transient stability simulation. The converter controllers can be represented by simplified or detailed models. Two or multiterminalDC systems can be considered. The stability analysis is illustrated with a 3machine system example and encouraging results have been obtained.
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 Title
 A structurepreserving energy function for stability analysis of AC/DC systems
 Journal

Sadhana
Volume 18, Issue 5 , pp 787799
 Cover Date
 19930901
 DOI
 10.1007/BF03024225
 Print ISSN
 02562499
 Publisher
 Springer India
 Additional Links
 Topics
 Keywords

 Direct stability analysis
 structurepreserving energy function
 nonlinear voltage dependent loads
 Industry Sectors
 Authors

 K R Padiyar ^{(1)}
 H S Y Sastry ^{(2)}
 Author Affiliations

 1. Department of Electrical Engineering, Indian Institute of Science, 560012, Bangalore, India
 2. Karnataka Regional Engineering College, 574 157, Srinivasanagar, India