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dc.contributor.authorWang, Pengen
dc.contributor.authorDing, Yien
dc.contributor.authorGoel, Laliten
dc.identifier.citationWang, P., Ding, Y., & Goel, L. (2009). Reliability assessment of restructured power systems using optimal load shedding technique. IET Generation, Transmission & Distribution, 3(7), 628-640.en
dc.description.abstractPower systemrestructuring and deregulation has changed the strategy of reliabilitymanagement of a power system. Load shedding, and generation and reserve re-dispatch methods used in the existing reliability evaluation techniques have to be improved to incorporate these changes. An optimisation technique, incorporating those changes, is proposed in this study to determine load curtailment and generation re-dispatch for each contingency state in the reliability evaluation of restructured power systems with the Poolco market structure. The problem is formulated using the optimal power flow (OPF) technique. The objective of the problem is to minimise the total system cost, which includes generation, reserve and interruption costs, subject to market and network constraints. A model for the contingency management of a Poolco power market is presented to include generation and reserve biddings, reliability considerations and transmission network constraints in reliability evaluation. Both supply side reliability for a generation company (Genco) and demand-side reliability for a customer can be calculated using the technique. The proposed technique can be used to evaluate both conventional and restructured power systems, and can provide both economic and reliability information for the independent system operator to manage system reliability, for Gencos to enhance their reliability, and for customer to select suppliers. The modified IEEE-RTS with the Poolco market has been analysed to illustrate the techniques. The results obtained using the proposed technique have been compared with those from the existing load shedding techniques.en
dc.format.extent12 p.en
dc.relation.ispartofseriesIET generation, transmission & distributionen
dc.rightsThe Institution of Engineering and Technology. The Journal's web site is located at
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Electric power::Production, transmission and distributionen
dc.titleReliability assessment of restructured power systems using optimal load shedding techniqueen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.description.versionAccepted versionen
item.fulltextNo Fulltext-
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