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There are several application fields where high power synchronous motor drives are requested to supply high torques at standstill. To this end, the information on the rotor absolute angular position is needed from the first instant of operations. A new procedure to detect the rotor position of synchronous motors without absolute encoder is presented. In particular, an automatic procedure and a simplified...
In today's electrical drives, the use of more than three-phases to implement the electrical machine stator winding is a frequently adopted provision to enhance system power rating and fault tolerance. In VSI-fed electrical machines, multi-phase windings are adopted in both their symmetrical structures (with n equally distributed phases, supplied by a single n-phase inverter) and in their multiple...
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