Cascaded doubly fed induction machine system modelling based on Dynamic Reluctance Mesh modelling method

Cascaded doubly fed induction generator system is an important application in wind energy industry, and intrigue lots of research interests in recent years. Dynamic reluctance mesh modelling technique can model electrical machines with sufficient practical details thus it is an excellent and effective simulation tool for modelling such systems. This paper models the cascaded doubly fed induction machine system and investigated their frequency relationships as well as power flow conditions under sub synchronous and super synchronous shaft speed. Harmonics due to slotting and saturation are also analysed by DRM tool and it provides potentials for simulating machine systems with power electronics and complicated control schemes.