NDLI: A serially-connected compensator for eliminating the unbalanced three-phase voltage impact on wind turbine generators

Content Provider	IEEE Xplore Digital Library
Author	Wu, Z. Hsu, P. Muljadi, E. Gao, W.
Copyright Year	2015
Description	Author affiliation: Univ. of Denver, Denver, CO, USA (Wu, Z.; Gao, W.) \|\| Nat. Renewable Energy Lab., Golden, CO, USA (Muljadi, E.) \|\| San Jose State Univ., San Jose, CA, USA (Hsu, P.)
Abstract	Untransposed transmission lines, unbalanced tap changer operations, and unbalanced loading in weak distribution lines can cause unbalanced-voltage conditions. The resulting unbalanced voltage at the point of interconnection affects proper gird integration and reduces the lifetime of wind turbines due to power oscillations, torque pulsations, mechanical stresses, energy losses, and uneven and overheating of the generator stator winding. This work investigates the dynamic impact of unbalanced voltage on the mechanical and electrical components of integrated Fatigue, Aerodynamics, Structures, and Turbulence (FAST) wind turbine generation systems (WTGs) of Type 1 (squirrel-cage induction generator) and Type 3 (doubly-fed induction generator). To alleviate this impact, a serially-connected compensator for a three-phase power line is proposed to balance the wind turbine-side voltage. Dynamic simulation studies are conducted in MATLAB/Simulink to compare the responses of these two types of wind turbine models under normal and unbalanced-voltage operation conditions and demonstrate the effectiveness of the proposed compensator.
Starting Page	1
Ending Page	5
File Size	636693
Page Count	5
File Format	PDF
ISBN	9781467380409
DOI	10.1109/PESGM.2015.7286594
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rotors Wind turbines Aerodynamics Induction generators Torque Reactive power FAST model unbalanced unsymmetrical wind turbine renewable energy renewable generation doubly-fed induction generator squirrel-cage induction generator
Content Type	Text
Resource Type	Article

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