A New Control Method for Wind Energy Conversion System Using a Doubly-Fed Synchronous Generator

Abstract

Recently, wind energy conversion system using a Doubly-Fed Synchronous Generator (DFSG) has attracted an interest. This system can control rapidly real and reactive power output independently by secondary AC excitation. Furthermore, since wind turbine can be operated in variable speed, fluctuations of the output due to changing wind speed in short period can be reduced. This paper proposes a new control method for this system to enhance the transient stability of neighboring induction generators in the same wind farm.