Performance Evaluation of a DFIG Wind System with Auxiliary Rotor Voltage Control

A.H.M.A. Rahim, I.O. Habiballah (Saudi Arabia), and E.P. Nowicki (Canada)


Wind power generation, doubly fed induction generator, renewable energy, converter controls, POD controller


This article determines the order of the converter controls of a doubly fed induction generator (DFIG) wind system in providing damping to the power system. The control hierarchy was established by using the singular value decomposition (SVD) technique. A power oscillation damping (POD) controller was designed in the rotor voltage magnitude control circuit which was observed to be the best candidate. Simulation studies carried out for a number of disturbance conditions including wind gusts indicate that auxiliary control of rotor voltage provides very good damping to the system even in transiently unstable situations.

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