Multi-timescale coordinated operation of a CHP plant-wind farm portfolio considering multiple uncertainties

Jiawei Wang, Cuo Zhang, Shi You*, Yi Zong, Chresten Træholt, Zhao Yang Dong

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This paper proposes a multi-timescale coordinated operation approach which coordinates the combined heat and power (CHP) plant and wind farm operation in a deregulated day-ahead heat market and a real-time balancing electricity market. This approach aims to optimize profits of the CHP-wind farm portfolio by considering energy sale in the day-ahead heat market and penalty in the real-time two-price balancing market. Multiple uncertainties of heat load, wind power generation, day-ahead electricity price, up- and down-regulation prices are taken into account for the optimal operation. A stochastic optimization method is applied to solve the proposed coordinated operation problem. The proposed multi-timescale coordinated operation approach is simulated on a real-life system in Copenhagen Denmark where an energy company owns both a CHP plant and a wind farm. The simulation results verify that the proposed method can achieve a profitable operation in the markets and a highly robust operation against the multiple uncertainties.

Original languageEnglish
Article number106428
JournalInternational Journal of Electrical Power and Energy Systems
Volume125
Number of pages9
ISSN0142-0615
DOIs
Publication statusPublished - Feb 2021

Keywords

  • Combined heat and power
  • District heating
  • Portfolio operation
  • Stochastic optimization
  • Wind power

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