| 摘要 |
An improved clutch motor arrangement to be used, for example, for driving industrial sewing machines and the like, which is provided with a detection device for detecting functioning of a clutch mechanism and a control device for controlling voltages to be applied to the motor, and arranged to lower the impressed voltage during non-load operation of the motor to a minimum necessary value required for the motor to rotate at a speed in the vicinity of synchronous speed for reducing power consumption during the non-load operation.
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