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ARPN Journal of Science and Technology >> Volume 7, Issue 2, November 2017

ARPN Journal of Science and Technology

LVRT Capability Enhancement of Wind Farm Interconnected Power System by Using Pitch Controller

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Author M. Amzad Hossain, J. Mondal, M. Feroz Ali, M. R. I. Sheikh
ISSN 2225-7217
On Pages 118-122
Volume No. 4
Issue No. 2
Issue Date March 01, 2014
Publishing Date March 01, 2014
Keywords Wind power generation, Low Voltage Ride-Through (LVRT), Capability, Pitch controller


Wind energy being a renewable and environmental friendly has become important source of electrical power in recent years. As the wind power penetration increases day by day, it is required that wind turbines are connected to the grid actively to contribute in the system stability during and after grid faults. This paper focuses on a new topology, for reactive power compensation, voltage regulation and transient stability enhancement for wind turbines equipped with fixed-speed induction generators in large interconnected power systems. This study proposes an efficient control strategy to improve the low voltage ride through (LVRT) capability by using the pitch controller during successful reclosing of CBs. Besides the unsuccessful reclosing of circuit breakers, the performance of controller is also evaluated. Extensive simulations have been carried out with real wind speed data and different time durations, where the effectiveness of the proposed control scheme is verified using power system simulator PSCAD/EMTDC.

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