| 摘要 |
In order to increase leakage field, magnetic casting compounds (12, 15) which influence the relative position of the stator and rotor laminate stacks (1, 2) or the winding in the slot space or in the winding-overhang space, or annular regions (23) which surround the squirrel-cage winding and can be magnetised, are provided. <IMAGE>
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