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CLC number: TM315; TM614

On-line Access: 2008-01-11

Received: 2007-10-08

Revision Accepted: 2007-11-26

Crosschecked: 0000-00-00

Cited: 5

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.2 P.149~155

http://doi.org/10.1631/jzus.A073026


Adaptive rotor current control for wind-turbine driven DFIG using resonant controllers in a rotor rotating reference frame


Author(s):  Jia-bing HU, Yi-kang HE, Hong-sheng WANG

Affiliation(s):  School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   emec_zju@zju.edu.cn, ykhe@zju.edu.cn, homeson_ee@hotmail.com

Key Words:  Unbalanced grid voltage, Doubly-fed induction generator (DFIG), Proportional plus Resonant (PR) controller, Fault ride-through (FRT)


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Jia-bing HU, Yi-kang HE, Hong-sheng WANG. Adaptive rotor current control for wind-turbine driven DFIG using resonant controllers in a rotor rotating reference frame[J]. Journal of Zhejiang University Science A, 2008, 9(2): 149~155.

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pages="149~155",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A073026"
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%T Adaptive rotor current control for wind-turbine driven DFIG using resonant controllers in a rotor rotating reference frame
%A Jia-bing HU
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%A Hong-sheng WANG
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T1 - Adaptive rotor current control for wind-turbine driven DFIG using resonant controllers in a rotor rotating reference frame
A1 - Jia-bing HU
A1 - Yi-kang HE
A1 - Hong-sheng WANG
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EP - 155
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A073026


Abstract: 
This paper proposes an adaptive rotor current controller for doubly-fed induction generator (DFIG), which consists of a proportional (P) controller and two harmonic resonant (R) controllers implemented in the rotor rotating reference frame. The two resonant controllers are tuned at slip frequencies ωslip+ and ωslip−, respectively. As a result, the positive- and negative-sequence components of the rotor current are fully regulated by the PR controller without involving the positive- and negative-sequence decomposition, which in effect improves the fault ride-through (FRT) capability of the DFIG-based wind power generation system during the period of large transient grid voltage unbalance. Correctness of the theoretical analysis and feasibility of the proposed unbalanced control scheme are validated by simulation on a 1.5-MW DFIG wind power generation system.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Brekken, T., Mohan, N., 2003. A Novel Doubly-Fed Induction Wind Generator Control Scheme for Reactive Power Control and Torque Pulsation Compensation Under Unbalanced Grid Voltage Conditions. IEEE 34th Annual Power Electronics Specialist Conf., p.760-764.

[2] Brekken, T., Mohan, N., Undeland, T., 2005. Control of a Doubly-Fed Induction Wind Generator Under Unbalanced Grid Voltage Conditions. Proc. European Conf. on Power Electronics and Applications.

[3] Chomat, M., Bendl, J., Schreier, L., 2002. Extended Vector Control of Doubly Fed Machine Under Unbalanced Power Network Conditions. Proc. IEEE Int. Conf. on Power Electronics, Machines and Drives, p.329-334.

[4] Hu, J.B., He, Y.K., 2007. Multi-frequency proportional-resonant (MFPR) current controller for PWM VSC under unbalanced supply conditions. J. Zhejiang Univ. Sci. A, 8(10):1527-1531.

[5] Hu, J.B., He, Y.K., Nian, H., 2007. Enhanced control of DFIG-used back-to-back PWM VSC under unbalanced grid voltage conditions. J. Zhejiang Univ. Sci. A, 8(8):1330-1339.

[6] Jang, J., Kim, Y., Lee, D., 2006. Active and Reactive Power Control of DFIG for Wind Energy Conversion Under Unbalanced Grid Voltage. Power Electronics and Motion Control Conf., CES/IEEE 5th Int. (IPEMC’06), p.1-5.

[7] Teodorescu, R., Blaabjerg, F., Liserre, M., Loh, P.C., 2006. Proportional-resonant controllers and filters for grid-connected voltage-source converters. IEE Proc. Electric Power Appl., 153(5):750-762.

[8] Wang, Y., Xu, L., 2007. Control of DFIG-based Wind Generation Systems Under Unbalanced Network Supply. IEEE Int. Electric Machines & Drives Conf., p.430-435.

[9] Xu, L., Wang, Y., 2007. Dynamic modeling and control of DFIG based wind turbines under unbalanced network conditions. IEEE Trans. on Power Syst., 22(1):314-323.

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