NDLI: An efficient power control strategy for small fixed-pitch wind turbine to extend the operating range to high wind speed region

Content Provider	IEEE Xplore Digital Library
Author	Brando, G. Coiro, D.P. Dannier, A.
Copyright Year	2012
Description	Author affiliation: Dept. of Aerospace Engineering - University of Naples Federico II, (Italy) (Coiro, D.P.) \|\| Dept. of Electrical Engineering - University of Naples Federico II, (Italy) (Brando, G.; Dannier, A.)
Abstract	This paper deals with the control of small-power wind turbine using fixed-pitch blades. A three-phase permanent magnet (PM) brushless generator is connected to the grid through a double stage converter: active rectifier (VSR) + d.c.-link + inverter (VSI). A very simple and effective control strategy of the generation set (PM generator +VSR) is presented; it is mainly aimed to extend the wind-turbines operation range to high wind-speed region, maintaining the generated electric power constant and equal to its “rated” value. By means of this technique, the cut-off speed can be considerably increased with respect to the usual values on the market, improving the energy production of the considered mini-generation plant during the years. The numerical analysis carried out in the paper shows that the VSR has to be “reasonably” oversized, while the PM generator ratings are not modified, because the overload operations do not produce any dangerous over-heating. The improvements linked to the proposed technique are more evident when the turbine blades are properly designed and when the wind speed frequently exceeds the ordinary values. Moreover, the proposed control algorithm is also able to improve the efficiency of the wind conversion system for wind speed values lower than the rated one.
Starting Page	541
Ending Page	546
File Size	176303
Page Count	6
File Format	PDF
ISBN	9781467312998
e-ISBN	9781467313018
DOI	10.1109/SPEEDAM.2012.6264613
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-20
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Shafts Torque PM Generators Wind speed Power control Power Control Technique Wind Conversion Systems Generators Small Wind Turbine Wind turbines
Content Type	Text
Resource Type	Article

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