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An improved unit decommitment algorithm for combined heat and power systems

Authors
Publisher
Elsevier BV North-Holland
Publication Date
Keywords
  • This Paper Addresses The Unit Commitment In Multi-Period Combined Heat And Power (Chp) Production Pl
  • Considering The Possibility To Trade Power On The Spot Market
  • In Chp Plants (Units)
  • Generation Of Heat And Power Follows Joint Characteristics
  • Which Means That Production Planning For Both Heat And Power Must Be Done In Coordination
  • We Present An Improved Unit Decommitment (Iud) Algorithm That Starts With An Improved Initial Soluti
  • Then The Subsequent Decommitment Procedures Can Decommit (Switch Off) The Least Cost-Efficient Plant
  • The Improved Initial Solution For The Committed Plants Is Generated By A Heuristic Procedure
  • The Heuristic Procedure Utilizes Both The Lagrangian Relaxation Principle That Relaxes The System-Wi
  • We Compare The Iud Algorithm With Realistic Test Data Against A Generic Unit Decommitment (Ud) Algor
  • Numerical Results Show That Iud Is An Overall Improvement Of Ud
  • The Solution Quality Of Iud Is Better Than That Of Ud For Almost All Of Tested Cases
  • The Maximum Improvement Is 11
  • 3% And The Maximum Degradation Is Only 0
  • 04% (Only Two Sub-Cases Out Of 216 Sub-Cases) With An Average Improvement Of 0
  • 3-0
  • 5%
  • For Different Planning Horizons
  • Moreover
  • Iud Is More Efficient (1
  • 1-3 Times Faster On Average) Than Ud
  • (C) 2008 Elsevier B
  • V
  • All Rights Reserved
Disciplines
  • Computer Science

Abstract

An improved unit decommitment algorithm for combined heat and power systems - DTU Orbit (10/03/14) An improved unit decommitment algorithm for combined heat and power systems - DTU Orbit (10/03/14) Rong, Aiying; Lahdelma, R.; Grunow, Martin / An improved unit decommitment algorithm for combined heat and power systems. In: European Journal of Operational Research, Vol. 195, No. 2, 2009, p. 552-562. Publication: Research - peer-review › Journal article – Annual report year: 2009

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