Terminal characteristics of type 1 wind generating systems with magnetic saturation Online publication date: Wed, 18-Mar-2015
by M.H. Haque
International Journal of Renewable Energy Technology (IJRET), Vol. 6, No. 1, 2015
Abstract: This paper proposes a simple method of incorporating magnetic saturation in determining terminal characteristics of a type 1 wind generating system employing a squirrel-cage induction generator. In determining the terminal characteristics, the generator is represented by its traditional per-phase equivalent circuit as well as two-axis model. In both cases, the magnetic saturation is carefully incorporated in determining the characteristics of the generator. The system of equations obtained through the per-phase equivalent circuit is solved using an optimisation routine to get the steady state characteristics. The two-axis model is implemented into MATLAB/Simulink to obtain time domain responses of the generator including the steady state values. Simulation results obtained through the optimisation routine and the MATLAB/Simulink are also compared with the corresponding actual values found through an experimental setup consisting of a 1.5 kW induction machine.
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