Journal ArticleDOI
A zonal congestion management approach using real and reactive power rescheduling
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TLDR
In this article, a new zonal/cluster-based congestion management approach has been proposed, where the zones have been determined based on lines real and reactive power flow sensitivity indexes also called as real/reactive transmission congestion distribution factors, and generators in the most sensitive zones, with strongest and nonuniform distribution of sensitivity indexes, are identified for rescheduling their real power output for congestion management.Abstract:
In a deregulated electricity market, it may always not be possible to dispatch all of the contracted power transactions due to congestion of the transmission corridors. System operators try to manage congestion, which otherwise increases the cost of the electricity and also threatens the system security and stability. In this paper, a new zonal/cluster-based congestion management approach has been proposed. The zones have been determined based on lines real and reactive power flow sensitivity indexes also called as real and reactive transmission congestion distribution factors. The generators in the most sensitive zones, with strongest and nonuniform distribution of sensitivity indexes, are identified for rescheduling their real power output for congestion management. In addition, the impact of optimal rescheduling of reactive power output by generators and capacitors in the most sensitive zones has also been studied. The proposed new zonal concept has been tested on 39-bus New England system and a 75-bus Indian system.read more
Citations
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Journal ArticleDOI
Congestion management in competitive power market : A bibliographical survey
TL;DR: In this paper, the authors present papers/literature on congestion management issues in the deregulated electricity markets and refer to 211 citations referenced in this bibliography and the general electronic web sites and the web sites dealing with the issue of congestion management are also listed.
Journal ArticleDOI
Optimal Rescheduling of Generators for Congestion Management Based on Particle Swarm Optimization
S. Dutta,Shiv P. Singh +1 more
TL;DR: An algorithm based on particle swarm optimization (PSO) which minimizes the deviations of rescheduled values of generator power outputs from scheduled levels and handles the binding constraints by a technique different from the traditional penalty function method is proposed.
Proceedings ArticleDOI
Identification of power distribution network topology via voltage correlation analysis
TL;DR: This work uses an approximate model for the grid voltage magnitudes to propose an algorithm that performs well when an exact nonlinear model of the grid voltages is adopted, when realistic power demand profiles are considered, and when the voltage measurements are affected by measurement noise.
Journal ArticleDOI
Bad Data Injection Attack and Defense in Electricity Market Using Game Theory Study
TL;DR: The effect of compromising each measurement on the price of electricity, so that the attacker is able to change the prices in the desired direction (increasing or decreasing) is specified.
Journal ArticleDOI
Congestion management in open access based on relative electrical distances using voltage stability criteria
G. Yesuratnam,D. Thukaram +1 more
TL;DR: In this article, an approach for alleviation of network over loads in the day-to-day operation of power systems under a deregulated environment is presented, where the control used for over load alleviation is real power generation rescheduling based on relative electrical distance (RED) concept.
References
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Journal ArticleDOI
A market mechanism for electric power transmission
Hung-po Chao,Stephen C. Peck +1 more
TL;DR: In this paper, the authors present a new approach to the design of an efficient market mechanism for transmission access that resolves the externalities associated with the loop flow phenomenon in an electric power network, which constitutes a significant barrier to the formation of efficient markets for electricity and transmission services.
Journal ArticleDOI
Transmission congestion management in competitive electricity markets
TL;DR: In this article, the authors examined two approaches for dealing with transmission congestion costs in a competitive electricity market and provided an analysis of financial instruments proposed to complement nodal pricing and including illustrative test results on a large scale system.
Journal ArticleDOI
Optimal location of FACTS devices for congestion management
Sri Niwas Singh,A.K. David +1 more
TL;DR: A simple and efficient model for optimizing the location of FACTS devices used for congestion management by controlling the device parameters is presented.
Journal ArticleDOI
Transmission congestion management in an electricity market
R.S. Fang,A.K. David +1 more
TL;DR: In this article, the authors considered an open transmission dispatch environment in which pool and bilateral/multilateral dispatches coexist and developed a congestion management strategy for this scenario, where priority of electricity transactions and related curtailment strategies were explored and a mechanism for coordination between market participants to achieve additional economic advantages was described.
Journal ArticleDOI
A mathematical framework for the analysis and management of power transactions under open access
Francisco D. Galiana,Marija Ilic +1 more
TL;DR: A general mathematical framework for the analysis and management of power transactions under open access subject to system security constraints is presented and shows how the transactions selected by the market forces are influenced by the security requirements of the physical network.
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