| 摘要 |
Mounting comprising a plurality of voltage transformers (3A, 3B) connected in series to the terminals of the direct-current source (1), the output of each voltage transformer being connected to a set of separate field coils (21A, 21B) mounted on the stator of an induction motor (2), the various sets of field coils being distributed regularly over the periphery of the stator, the said sets of field coils being insulated electrically from one another and being coupled magnetically to one another. <IMAGE> |
