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Three-speed regulating circuit with single-phase motor conne

2016-09-04 04:28  
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Three-speed regulating circuit with single-phase motor connected with capacitor in series
Some single-speed motors can use the methods shown in the figure to increase the capacitors C1, and C2. Then the motor is changed to a three-speed motor. C1, C2 must use paper dielectric capacitors or paper oil capacitors, and capacitance size is directly related to the speed of the motor.