Review of Reactive Power Dispatch Strategies for Loss Minimization in a DFIG-based Wind Farm

Jin Tan, Baohua Zhang, Weihao Hu, Peng Hou, Mohsen Soltani, Zhe Chen

Research output: Contribution to journalArticlepeer-review

14 Scopus Citations


This paper reviews and compares the performance of reactive power dispatch strategies for the loss minimization of Doubly Fed Induction Generator (DFIG)-based Wind Farms (WFs). Twelve possible combinations of three WF level reactive power dispatch strategies and fourWind Turbine (WT) level reactive power control strategies are investigated. All of the combined strategies are formulated based on the comprehensive loss models of WFs, including the loss models of DFIGs, converters, filters, transformers, and cables of the collection system. Optimization problems are solved by a Modified Particle Swarm Optimization (MPSO) algorithm. The effectiveness of these strategies is evaluated by simulations on a carefully designed WF under a series of cases with different wind speeds and reactive power requirements of the WF. The wind speed at each WT inside the WF is calculated using the Jensen wake model. The results show that the best reactive power dispatch strategy for loss minimization comes when the WF level strategy and WT level control are coordinated and the losses from each device in the WF are considered in the objective.

Original languageAmerican English
Article number856
Number of pages17
Issue number7
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017 by the authors.

NREL Publication Number

  • NREL/JA-5D00-69054


  • Doubly fed induction generator
  • Loss minimization
  • Reactive power dispatch
  • Wind farm


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