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In this paper, an analytical field calculation model is developed for Doubly Fed Induction Generator (DFIG). The field calculation region is divided into five solution subdomains, i.e. rotor slot, rotor slot opening, air-gap, stator slot opening and stator slot. The vector potential in each subdomain can be obtained by solving the governing function with the variable separation method and employing...
The brushless Doubly-Fed Induction Machine (DFIM) has many advantages over the conventional DFIG commonly applied in wind turbines. However, due to the complex motion of the magnetic field in this machine type, the inclusion of nonlinear iron saturation in brushless DFIM models has been proven to be challenging. This paper combines a brushless DFIM Electric Equivalent Circuit (EEC) model with an analytical...
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