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Article: Assessment of Market Flows for Interregional Congestion Management in Electricity Markets

TitleAssessment of Market Flows for Interregional Congestion Management in Electricity Markets
Authors
Issue Date2014
Citation
IEEE Transactions on Power Systems, 2014, v. 29, p. 1673-1682 How to Cite?
AbstractThis paper gives the background and role of the market flow in the interregional congestion management process for market-based operating entity and describes the market flow methodology. It proposes that the market flow method calculates the same impact result on a flowgate as the unit dispatch system (UDS) flow does and proves it mathematically. The equivalence of market flow and UDS flow shows that the UDS flow change on a constraint due to the UDS binding will have the same effect on the change in the market flow under the electricity market operations. In addition, it proves that, in an interconnected system, the sum of the market flows of all of the market entities, the generation-to-load impacts of nonmarket entities, and the total tagged transaction impact among the entities is equal to the dc flow for any constraint. The assessment of market flow methodology demonstrates the effectiveness of using the market flow in the congestion management process and coordinated management of transmission constraints. The proposed methodology can help identify the cause of loop flow problem in power systems. The numerical results on a 23-bus test system and a 7917-bus system are also illustrated.
Persistent Identifierhttp://hdl.handle.net/10722/202899
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLuo, Cen_US
dc.contributor.authorHou, Yen_US
dc.contributor.authorWen, Jen_US
dc.contributor.authorCheng, Sen_US
dc.date.accessioned2014-09-19T10:09:28Z-
dc.date.available2014-09-19T10:09:28Z-
dc.date.issued2014en_US
dc.identifier.citationIEEE Transactions on Power Systems, 2014, v. 29, p. 1673-1682en_US
dc.identifier.urihttp://hdl.handle.net/10722/202899-
dc.description.abstractThis paper gives the background and role of the market flow in the interregional congestion management process for market-based operating entity and describes the market flow methodology. It proposes that the market flow method calculates the same impact result on a flowgate as the unit dispatch system (UDS) flow does and proves it mathematically. The equivalence of market flow and UDS flow shows that the UDS flow change on a constraint due to the UDS binding will have the same effect on the change in the market flow under the electricity market operations. In addition, it proves that, in an interconnected system, the sum of the market flows of all of the market entities, the generation-to-load impacts of nonmarket entities, and the total tagged transaction impact among the entities is equal to the dc flow for any constraint. The assessment of market flow methodology demonstrates the effectiveness of using the market flow in the congestion management process and coordinated management of transmission constraints. The proposed methodology can help identify the cause of loop flow problem in power systems. The numerical results on a 23-bus test system and a 7917-bus system are also illustrated.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Power Systemsen_US
dc.titleAssessment of Market Flows for Interregional Congestion Management in Electricity Marketsen_US
dc.typeArticleen_US
dc.identifier.emailHou, Y: yhhou@eee.hku.hken_US
dc.identifier.authorityHou, Y=rp00069en_US
dc.identifier.doi10.1109/TPWRS.2014.2297951en_US
dc.identifier.hkuros239222en_US
dc.identifier.volume29en_US
dc.identifier.spage1673en_US
dc.identifier.epage1682en_US
dc.identifier.isiWOS:000338189600018-

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