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Sensorless predictive current control (PCC) for an induction machine is proposed in this study. In the controller, the errors between the current references and the predicted values are evaluated; therefore, it guarantees good current behaviours which are essential to the low-voltage drives. By designing proper adaptive scheme and gain matrix, a stable sensorless PCC system is achieved. Furthermore,...
A novel multi-branch induction motor (MBIM) applied in low-voltage high-power drive system is presented for the purpose of improving the performance of conventional high-power induction motor drive system. Multi-branch of the MBIM could be fed by multi-converter, the keys are to utilize its multi-branch to disperse the larger current produced by low-voltage high-power and to control the number of...
Recently more attention has been paid to the distributed power systems due to their high flexibility and reliability. The high speed permanent magnet (PM) generator driven by micro-turbine has been widely investigated since it has small size, high efficiency and power density. The output high frequency AC power of the high speed PM generator needs to be converted into the AC power with constant frequency...
Recent work has illustrated benefits of the brushless doubly fed generator (BDFG) in wind power generation applications. Coupling capability between the stator main and auxiliary windings is the most significant factor which affects the power density and operation performance of the BDFG. In this paper, the calculation method for the winding inductance parameters are put forward based on winding function...
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