NDLI: Performance improvement of grid-connected wound rotor induction generators

Content Provider	IEEE Xplore Digital Library
Author	Haroon Ashfaq Jamil Asghar, M.S.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Aligarh Muslim Univ. (Haroon Ashfaq; Jamil Asghar, M.S.)
Abstract	Input voltage control has been used for improvement of power factor in grid-connected induction generators. However, this method reduces the efficiency drastically due to high output current and control range is also limited. In the proposed scheme both the voltage control and slip control are employed. Two schemes are presented. Scheme-I is used for maximizing efficiency. An optimum voltage and slip control by rotor resistance is applied such that the efficiency is maximized at every operating point. The scheme-II is used for maximizing power factor. A reduced and constant optimum voltage is applied throughout the range of control. The rotor resistance is varied to operate it at desired slip for optimum power-factor. Here power-factor hence the reactive power demand remains nearly constant throughout the range of operation. These schemes are very useful for wind power based generation where wind speed varies over wide range as well as abruptly
File Size	244080
File Format	PDF
ISBN	0780395255
DOI	10.1109/POWERI.2006.1632598
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-01
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wind energy generation Reactive power Torque Induction generators Wind speed Rotors Wounds Stators Wind turbines Voltage control
Content Type	Text
Resource Type	Article

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