Influence of distributed generation on congestion and LMP in competitive electricity market

Durga, Gautam and Mithlananthan, Nadarajah (2010) Influence of distributed generation on congestion and LMP in competitive electricity market. International Journal of Energy and Power Engineering, 3 4: 228-235.

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Author Durga, Gautam
Mithlananthan, Nadarajah
Title Influence of distributed generation on congestion and LMP in competitive electricity market
Journal name International Journal of Energy and Power Engineering   Check publisher's open access policy
ISSN 2070-3767
Publication date 2010
Sub-type Article (original research)
Volume 3
Issue 4
Start page 228
End page 235
Total pages 8
Place of publication Istanbul, Turkey
Publisher World Academy of Science, Engineering and Technology (WASET)
Collection year 2011
Language eng
Subject 0906 Electrical and Electronic Engineering
C1
Formatted abstract
This paper presents the influence of distributed generation (DG) on congestion and locational marginal price (LMP) in an optimal power flow (OPF) based wholesale electricity market. The problem of optimal placement to manage congestion and reduce LMP is formulated for the objective of social welfare maximization. From competitive electricity market standpoint, DGs have great value when they reduce load in particular locations and at particular times when feeders are heavily loaded. The paper lies on the groundwork that solution to optimal mix of generation and transmission resources can be achieved by addressing congestion and corresponding LMP. Obtained as lagrangian multiplier associated with active power flow equation for each node, LMP gives the short run marginal cost (SRMC) of electricity. Specific grid locations are examined to study the influence of DG penetration on congestion and corresponding shadow prices. The influence of DG on congestion and locational marginal prices has been demonstrated in a modified IEEE 14 bus test system.
© World Academy of Science, Engineering and Technology
Keyword Congestion management
Distributed generation
Electricity market
Locational marginal price
Optimal power flow
Social welfare
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Information Technology and Electrical Engineering Publications
 
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Created: Fri, 17 Sep 2010, 11:52:49 EST by Ms May Balasaize on behalf of Faculty Of Engineering, Architecture & Info Tech