| 摘要 |
A speed controlled synchronous inverter motor is supplied from a multiphase alternating-current line of substantially constant frequency and voltage through rectifiers and inverters via a direct-current intermediate circuit. The motor is a medium-frequency machine whose armature winding and excitation winding are both located on the non-rotating part. The excitation winding is connected in series to the direct-current intermediate circuit and works also as a smoothing reactor.
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