| 摘要 |
PURPOSE: A method for raising efficiency of a single phase induction motor and detecting the operation completion is provided to improve the output of a motor by using an operation winding and the armature reaction. CONSTITUTION: If the operation of a motor is started and the rotational number is over a predetermined value, a centrifugal switch operated by the centrifugal force is operated and the operation winding and a condenser are separated from a circuit. When the motor is operated, the current is not flowed in the operation winding. When the motor is operated, condensers(c1,c2) are operated together. If the operation switch is operated, the condenser(c2) is separated from the circuit, and the current according to the condenser(c1) is flowed through the motor.
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