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Multiphase machine drive systems have been applied in many electric propulsion fields such as aerospace and electric vehicle applications. With the development of SiC semiconductors, its superior characteristic makes compact multiphase converters possible. Moreover, by using a single chip in each switch, problems caused by an uneven current split between paralleled devices can be avoided. This paper...
Depending on the rotor magnet and stator winding configurations, the magnitude of the resulting flux-linkage harmonics in permanent-magnet (PM) motor drives can be substantial. The flux-linkage harmonics result into dc-link current harmonics that can cause the operation of certain track circuits (used to identify the presence of a train on a track section) to malfunction. Predicting the impact of...
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