Electrical Engineering

, Volume 100, Issue 2, pp 543–556 | Cite as

Effective protection for doubly fed induction generator-based wind turbines under three-phase fault conditions

  • J. J. Justo
  • F. Mwasilu
  • J. W. Jung
Original Paper


This paper proposes an effective protection strategy which combines three-crowbar circuit configuration (TCCC), a small bypass resistor (SBR) for wind turbines (WTs) based on the doubly fed induction generators (DFIGs). The TCCC includes (i) resistive crowbar, (ii) inductive crowbar, and (iii) capacitive crowbar. Conventionally, applying only resistive-crowbar circuit as the only means of protection on the DFIG WT, the rotor-side power converter (RSPC) and dc-link capacitor are protected against the effects of a severe voltage dip. However, tripping the RSPC leads to loss of excitation control, and the DFIG behaves like the squirrel-cage induction generator which obtains its magnetization current from the grid which further deepen the terminal voltage. Moreover, integrating the resistive crowbar with series RL branch keeps the RSPC connection active, but the generator excitation control is partially retained and the oscillations of the rotor currents and dc-link voltage can heavily deteriorate the performance of the generator. Thus, the TCCC-SBR circuit is proposed to compensate for the deficiency when the two conventional circuits are applied. Its performance validation is performed via extensive simulation studies using MATLAB/Simulink software. From the comparative simulation results, more improved fault ride-through capability of the DFIG is achieved with the proposed protection circuit than the conventional protection circuits.


Crowbar protection circuit Doubly fed induction generator (DFIG) Fault ride-through (FRT) Wind turbine (WT) 



This work was supported by the National Research Foundation of Korea (NRF) under Grant 2015R1A2A2A01003513 funded by the Korea government (MSIP, Ministry of Science, ICT and Future Planning).


  1. 1.
    Mendes VF, Dousa CV, Hofmann W, Silva SR (2015) Doubly-fed induction generator ride-through fault capability using resonant controllers for asymmetrical voltage sags. IET Renew Power Gener 9(7):783–791CrossRefGoogle Scholar
  2. 2.
    Hafiz A (2015) Reactive power and voltage control in grid-connected wind forms: an online optimization based fast model predictive control approach. Electr Eng 97:35–44CrossRefGoogle Scholar
  3. 3.
    Justo JJ, Mwasilu F, Jung JW (2015) Doubly-fed induction generator based wind turbines: a comprehensive review of fault ride-through strategies. Renew Sustain Energy Rev 45:447–467CrossRefGoogle Scholar
  4. 4.
    Huchel L, Moursi MS, Zeineldin HH (2015) A parallel capacitor control strategy for enhanced FRT capability of DFIG. IEEE Trans Sustain Energy 6(2):303–312CrossRefGoogle Scholar
  5. 5.
    Mwasilu F, Justo JJ, Ro KS, Jung JW (2012) Improvement of dynamic performance of doubly fed induction generator-based wind turbine power system under an unbalanced grid voltage condition. IET Renew Power Gener 6(6):424–434CrossRefGoogle Scholar
  6. 6.
    Londero RR, Affonso CM, Vieira JPA (2015) Long-term voltage stability of variable speed wind generators. IEEE Trans Power Syst 30(1):439–447CrossRefGoogle Scholar
  7. 7.
    Hooshyar A, Azzouz MA, El-Saadany EF (2014) Three-phase fault direction identification for distribution systems with DFIG-based wind DG. IEEE Trans Sustain Energy 5(3):747–756CrossRefGoogle Scholar
  8. 8.
    Dosoglu MK (2016) Enhancement of SDRU and RCC for low voltage ride through capability in DFIG based wind farm. Electr Eng. doi: 10.1007/s00202-016-0403-4
  9. 9.
    Alaraif S, Moawwad A, Moursi MS, Khadkikar V (2013) Voltage booster schemes for fault ride-through enhancement of variable speed wind turbines. IEEE Trans Sustain Energy 4(4):1071–1081CrossRefGoogle Scholar
  10. 10.
    Yang L, Xu Z, Østergaard J, Dong ZY, Wong KP (2012) Advanced control strategy of DFIG wind turbines for power system fault ride through. IEEE Trans Power Syst 27(2):713–722CrossRefGoogle Scholar
  11. 11.
    Pannel G, Atkinson DJ, Zahawi B (2010) Minimum-threshold crowbar for a fault-ride-through grid-code-compliant DFIG wind turbine. IEEE Trans Energy Convers 25(3):750–759CrossRefGoogle Scholar
  12. 12.
    Liu S, Bi T, Jia K, Yang Q (2016) Coordinated fault-ride-through strategy for doubly-fed induction generators with enhanced reactive and active power support. IET Renew Power Gener 10(2):203–211CrossRefGoogle Scholar
  13. 13.
    Vidal J, Abad G, Arza J, Aurtenechea S (2013) Single-phase dc crowbar topologies for low voltage ride through fulfillment of high-power doubly fed induction generator-based wind turbines. IEEE Trans Energy Convers 28(3):768–781CrossRefGoogle Scholar
  14. 14.
    Yao J, Li H, Liao Y, Chen Z (2008) An improved control strategy of limiting the dc-link voltage fluctuation for a doubly fed induction wind generator. IEEE Trans Power Electron 23(3):1205–1213CrossRefGoogle Scholar
  15. 15.
    Pannel G, Atkinson DJ, Zahawi B, Missailidis P (2013) Evaluation of the performance of a dc-link brake chopper as a DFIG low-voltage fault-ride-through device. IEEE Trans Energy Convers 28(3):535–542CrossRefGoogle Scholar
  16. 16.
    Justo JJ, Ro KS (2012) Control strategies of doubly fed induction generator based wind turbine system with new rotor current protection topology. J Renew Sustain Energy 4(4):043123CrossRefGoogle Scholar
  17. 17.
    Okedu KE, Muyeen SM, Takahashi R, Tamura J (2012) Wind farm fault ride through using DFIG with new protection scheme. IEEE Trans Sustain Energy 3(2):242–254CrossRefGoogle Scholar
  18. 18.
    Yang J, Fletcher JE, O’Relly J (2010) A series-dynamic-resistor-based converter protection scheme for doubly-fed induction generator during various fault conditions. IEEE Trans Energy Convers 25(2):422–432CrossRefGoogle Scholar
  19. 19.
    Mohseni M, Islam SM, Masoum MAS (2011) Enhanced hysteresis-based current regulators in vector control of DFIG wind turbines. IEEE Trans Power Electron 26(1):223–234CrossRefGoogle Scholar
  20. 20.
    Liang J, Howard DF, Restrepo JA, Harley G (2013) Feed-forward transient compensation control for DFIG wind turbines during both balanced and unbalanced grid disturbances. IEEE Trans Power Appl 49(3):1452–1463Google Scholar
  21. 21.
    Rahimi M, Parniani M (2010) Transient performance improvement of wind turbines with doubly fed induction generators using nonlinear control strategy. IEEE Trans Energy Convers 25(2):514–525CrossRefGoogle Scholar
  22. 22.
    Bu SQ, Du W, Wang HF, Gao S (2013) Power angle control of grid-connected doubly fed induction generator wind turbines for fault ride through. IET Renew Power Gener 7(1):18–27CrossRefGoogle Scholar
  23. 23.
    Song Z, Shi T, Xia C, Chen W (2012) A novel adaptive control scheme for dynamic performance improvement of DFIG-based wind turbines. Energy 38(1):104–117CrossRefGoogle Scholar
  24. 24.
    Qiao W, Venayagamoorthy GK, Harley RG (2009) Real-time implementation of a STATCOM on a wind farm equipped with doubly fed induction generators. IEEE Trans Ind Appl 45(1):98–107CrossRefGoogle Scholar
  25. 25.
    Meegahapola LG, Littler T, Flynn D (2010) Decoupled-DFIG fault ride-through strategy for enhanced stability performance during grid faults. IEEE Trans Sustain Energy 1(3):152–162Google Scholar
  26. 26.
    Justo JJ, Mwasilu F, Jung JW (2014) Doubly-fed induction generator wind turbines: A novel integrated protection circuit for low-voltage ride-through strategy. J Renew Sustain Energy 6(5):053129CrossRefGoogle Scholar
  27. 27.
    Hachicha F, Krichen L (2012) Rotor power control in doubly fed induction generator wind turbine under grid faults. Energy 44(1):853–861CrossRefGoogle Scholar
  28. 28.
    Morren J, de Haan SWH (2007) Short-circuit current of wind turbine with doubly fed induction generator. IEEE Trans Energy Convers 22(1):174–180CrossRefGoogle Scholar
  29. 29.
    Foster S, Xu L, Fox B (2007) Coordinated control and operation of DFIG and FSIG based wind farms. In: Proceedings of IEEE conference on power technology, Lausanne, pp 522–527Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.Division of Electronics and Electrical EngineeringDongguk UniversitySeoulKorea

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