Optimal Power Dispatch of an Offshore Wind Farm under Generator Fault

Kuichao Ma, jiangsheng zhu, Mohsen N. Soltani, Amin Hajizadeh, Zhe Chen

Research output: Contribution to journalJournal articleResearchpeer-review

5 Citations (Scopus)
23 Downloads (Pure)

Abstract

For offshore wind farms, the power loss caused by the wake effect is large due to the large capacity of the wind turbine. At the same time, the operating environment of the offshore wind farm is very harsh, and the cost of maintenance is higher than that of the onshore wind farm. Therefore, it is worthwhile to study through reasonable control how to reduce the wake loss of the wind farm and minimize the losses caused by the fault. In this paper, the Particle Swarm Optimization (PSO) algorithm is used to optimize the active power dispatch of wind farms under generator cooling system faults. The optimization objectives include avoiding the further deterioration of the generator fault, reducing unnecessary power loss of the faulty wind turbine, tracking the power demand from the Transmission System Operator (TSO), and reducing the power fluctuation caused by the PSO algorithm. The proposed optimal power dispatch strategy was compared with the two generally-used fault-handling methods and the proportional dispatch strategy in simulation. The result shows that the proposed strategy can improve the power generation capacity of the wind farm and achieve
an efficient trade-off between power generation and fault protection.
Original languageEnglish
Article number1184
JournalApplied Sciences
Volume9
Issue number6
Number of pages17
DOIs
Publication statusPublished - Mar 2019

Keywords

  • Wind energy
  • Power dispatch
  • Offshore wind farm
  • Particle swarm optimization
  • Fault accommodation

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