NDLI: Dynamic modeling and feature analysis of wind turbine with variable ratio gearbox

Content Provider	IEEE Xplore Digital Library
Author	Song Yongduan Wang Rui Cai Wenchuan
Copyright Year	2014
Description	Author affiliation: Sch. of Electron. & Inf. Eng., Beijing Jiaotong Univ., Beijing, China (Song Yongduan; Wang Rui; Cai Wenchuan)
Abstract	The paper investigates a new type of wind turbine embedded with variable ratio gearbox (VRG) that is capable of dynamically adjusting its transmission ratio between the turbine rotor and the generator. Such wind turbine, when controlled properly, is able to maintain the generator to operated at constant speed, which allows for the conventional synchronous generator to be used to build a wind turbine with grid-friendly features. The fundamental structure and the operational mechanism for the VRG based wind turbine (VRGWT) are examined and analyzed. To further reveal the salient features of the wind turbine, a three-mass dynamic model is proposed with consideration of torsional flexibility of the drive train shaft between the rotor and the generator. Theoretical analysis and numerical simulation show that maximum power point tracking (MPPT) can be achieved when the generator speed is kept constant, confirming the high conversion efficiency and grid-friendly features of the VRGWT.
Starting Page	7110
Ending Page	7115
File Size	238719
Page Count	6
File Format	PDF
ISBN	9789881563873
ISSN	19341768
DOI	10.1109/ChiCC.2014.6896174
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	TCCT, CAA
Subject Keyword	Shafts Variable ratio gearbox (VRG) Gears Planets Rotors Generators Wind turbines Grid-friendly wind turbine Mathematical model Dynamic modeling
Content Type	Text
Resource Type	Article

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