DOI QR코드

DOI QR Code

Coordinated Virtual Inertia Control Strategy for D-PMSG Considering Frequency Regulation Ability

  • Shi, Qiaoming (College of Electrical Engineering, Xi'an Jiaotong University) ;
  • Wang, Gang (National Key Laboratory of Vessel Integrated Power System Technology, Naval University of Engineering) ;
  • Ma, Weiming (National Key Laboratory of Vessel Integrated Power System Technology, Naval University of Engineering) ;
  • Fu, Lijun (National Key Laboratory of Vessel Integrated Power System Technology, Naval University of Engineering) ;
  • Wu, You (National Key Laboratory of Vessel Integrated Power System Technology, Naval University of Engineering) ;
  • Xing, Pengxiang (School of Electrical Engineering, Wuhan University)
  • 투고 : 2015.07.06
  • 심사 : 2016.06.22
  • 발행 : 2016.11.01

초록

In the process of virtual inertia control (VIC), the frequency regulation capability of the directly-driven wind turbine with permanent-magnet synchronous generator (D-PMSG) on wind farm is related to its rotor kinetic energy and capacity margin. This paper proposes the method for assessing the D-PMSG frequency regulation capability and defining its coefficient according to the operating state of wind power generators. In addition, the calculating method of parameters in VIC is also discussed according to the principles of primary frequency regulation and inertia response of synchronous generators. Then, by introducing the capability coefficient into the proportion-differential virtual inertia control (PD-VIC) for power coordination, a coordinated virtual inertia control (C-VIC) strategy is developed, with the consideration of the difference in frequency regulation capability between wind power generators. The proposed control method can not only give full play to the frequency regulation capability of wind power generators, decrease the movements of the pitch angle control system but also bring some self-coordination capability to different wind power generators thus to avoid a secondary drop in system frequency. The simulations and experiments prove the proposed method to be effective and practicable.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China

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피인용 문헌

  1. Short-Term Frequency Response of a DFIG-Based Wind Turbine Generator for Rapid Frequency Stabilization vol.10, pp.11, 2017, https://doi.org/10.3390/en10111863
  2. A Frequency Regulation Strategy for Wind Power Based on Limited Over-Speed De-Loading Curve Partitioning vol.6, pp.2169-3536, 2018, https://doi.org/10.1109/ACCESS.2018.2825363