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Abstract
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Article Information:
Dual Functional Unified Power Quality Conditioner to Power Quality Enhancement and Wind Energy Injection to Grid
M. Najafi, M. Hoseynpoor and R. Ebrahimi
Corresponding Author: M. Najafi
Submitted: 2011 September, 21
Accepted: 2011 December, 09
Published: 2012 March, 15 |
Abstract:
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This study proposes a combined operation of the Unified Power Quality Conditioner (UPQC) with
wind power generation system considering investment cost. The proposed system consists of a series inverter,
a shunt inverter, and an induction generator connected in the dc link through a converter. The proposed system
can compensate voltage sag and swell, voltage interruption, harmonics, and reactive power in both
interconnected mode and islanding mode. The speed of the induction generator is controlled according to the
variation of the wind speed in order to produce the maximum output power. The investment cost of proposed
system is compared with investment cost of separated use of UPQC and Wind Energy Conversion System
(WECS) and the economic saving due to use of proposed system is estimated. The validity of the proposed
system is verified by the results of computer simulation.
Key words: Maximum power point tracking, power quality improvement, series active filter, shunt active filter, unified power quality conditioner, wind energy conversion system,
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Abstract
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Cite this Reference:
M. Najafi, M. Hoseynpoor and R. Ebrahimi, . Dual Functional Unified Power Quality Conditioner to Power Quality Enhancement and Wind Energy Injection to Grid. Research Journal of Applied Sciences, Engineering and Technology, (06): 557-570.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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