Journal
AIN SHAMS ENGINEERING JOURNAL
Volume 9, Issue 2, Pages 187-201Publisher
ELSEVIER
DOI: 10.1016/j.asej.2015.10.009
Keywords
Continuation power flow (CPF); Distributed generation (DG); Eigenvalue; Modal analysis; Participation factor
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The integration of distributed generation (DG) in distribution network may significantly affect its performance. Transmission networks are no longer accountable solely for voltage security issues in distribution networks with penetration of DGs. The reactive power support from the DG sources greatly varies with the type of DG units and may potentially distress the larger portion of the network from the voltage stability aspects. This paper presents the analysis for the selection of the best type of DG unit among different categories and its optimal location that can enhance the voltage stability of distribution network with simultaneous improvement in voltage profile. Voltage sensitivity index and bus participation factors derived from continuation power flow and Modal Analysis, respectively, are used together for voltage stability assessment and placement of DGs. Changes in mode shapes and participation factors with the placement of DGs are comprehensively analyzed for 33 and 136 nodes radial distribution network. (C) 2015 Ain Shams University. Production and hosting by Elsevier B.V.
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