Since you are using 220V, then you also have half of that available for starting. Have you tried starting it on the "split" 220V?
John
The important point for a single phase motor is to get a rotary field. This is basically achieved by the 30 uF operating capacitor. If the load torque characteristic allows, you don't necessarily need a starting capacitor. The 15k resistor is simply a "bleeding" resistor, discharging the capacitor to prevent an electrical shock that may occur, if the capcitor holds it's charge a long time after unpowering the motor. The value isn't particular critical, check the respective RC time constant. The resistor isn't required to operate the motor.Do you think that I really need to use a capacitor?
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