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An extended modeling of a multiphase machine is presented in this paper, under consideration of inductance harmonics. It is shown that an independent control of the phase currents in a multiphase machine can contribute to a higher efficiency by generating constant torque from harmonics in the flux-linkage due to injecting current harmonics into the stator windings. The extended modeling requires the...
The operation of a synchronous generator connected to a dc load by a six-pulse diode bridge is analyzed in this paper. The dc load has in parallel a high electrolytic capacitor to reduce the ripple in the dc voltage: the dc voltage is regulated acting on the field current of the generator. Such a layout is currently used to create a stable and reliable dc-bus for stand-alone dc systems as in electro-diesel...
During the first steps of machines design, engineers have to choose the topology the most appropriate to the specifications. The topology includes the number of stator's slots, the number of rotor's poles and the winding associated. Traditionally, designers choose one of the common used topology in the industry and consequently, a lot of solutions are not studied. In fact, the performances of the...
This paper presents a comparison of different permanent magnets synchronous motors (PMSM) having a high homopolar or zero-sequence inductance. The high value of zero-sequence inductance is particularly a necessity for certain applications in which the winding coupling is not in Wye connection. Thereby, the homopolar currents which are sources of losses are reduced and minimized. In this study, we...
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