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In this paper, various dynamic slip control topologies are proposed for the control of grid connected opti-slip induction generator (OSIG). An elegant technique based on rotor voltage measurement has also been presented for mitigating output power fluctuations from OSIG, due to sudden wind gusts, tower shadow effect, etc. The control of OSIG is achieved using the basic principle of chopper control...
The flux-switching permanent magnet (FSPM) machine exhibits competitive torque capability and power density due to the high flux density. As a penalty, the cogging torque is relative large, resulting in unfavorable torque pulsation. Due to the simple and robust rotor construction, additional dummy slots are adopted to reduce the cogging torque without skewing magnets or teeth. The optimal dimensions...
New flux-switching permanent magnet (FSPM) brushless machine topologies with different stator and rotor pole combinations (Ns/Nr) are developed, with potentially reduced stator and rotor pole numbers without introducing the unbalanced magnetic force. The relative merits of FSPM and flux reversal permanent magnet (FRPM) brushless machines are evaluated. The electromagnetic performance, including back-emf,...
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