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yes, you can. in A/C motor rps(rev/sec) is N(rps)= f/p where f is the frequency and p is the number of pair poles. By increasing or decreasing the frequency the rps will change accordingly. By having less or more pair poles the rps will be increased or reduced. the more pair poles the lower will be the rps.

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13y ago
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14y ago

No, not really on a single phase motor. The RPM of a motor is governed by the amount of coils that the motor has and the speed of the motor is decided when the motor is manufactured. If the motor was three phase then it could happen by using a VFD (Variable Frequency Drive). This is a relatively costly item that controls the frequency of the motor. Less frequency relates to less RPM.

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