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Two scenarios are that the motor could be a three phase motor. These three phase motors are manufactured in smaller sizes. The other scenario is that the motor is a 208/220 volt single phase motor. It will operate on 208 volts by taking two legs of the three phase supply for its operation.

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Q: How is it possible that a chicken rotisserie that uses 208v 3 phase can have a motor that uses 208v?
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When changing phase rotation of a 3 phase motor is this done at the switchboard?

The phase rotation of motor should be always done from motor side i.e The motor terminal box.


What is the difference between a one phase and a three phase motor. And if a three phase motor is given a single phase supply will it run or not?

The difference between a single phase and a three phase motor is the amount of power conductors that feed the device. As to the other part of the question a three phase motor will not start or run on single phase. The phase angles on three phase are 120 degrees apart on a single phase system they are 180 degrees apart.


Can a bad circuit breaker on a 3 phase motor cause the motor to run backwards?

No. If the motor runs backwards, swap any two phases to reverse the rotation, like this: Old wiring: phase A - brown wire - motor lead T1 phase B - yellow wire - motor lead T2 phase C - orange wire - motor lead T3 New wiring: phase A - brown wire - motor lead T2 phase B - yellow wire - motor lead T1 phase C - orange wire - motor lead T3


Is a 3 phase motor a Synchronous motor?

A synchronous motor can be a type of 3-Phase AC motor, or not.A synchronous motor is defined by the period of the rotor being synchronized with the frequency of the stator windings' current. The stator windings might be 3-Phase or not (2-Phase would work).Also synchronous motors are not the only type of 3-Phase AC motors. An induction motor could also be 3-Phase AC and has a few advantages and disadvantages over a synchronous motor.


How do you wire 3 phase power to 1 phase power diagram?

In an emergency and for a short period of time you can single phase a three phase motor but the motor will be loud, have terrible power characteristics and depending upon the use will burn up rather quickly. You should never try to run this in other than a life threatening emergency situation, the motors are not designed for it. Normally you don't. <<>> A three phase motor will not start on single phase. If the motor was started on three phase and loses a phase, it will stay running at a lower percentage of efficiency. Now a days the motor protection will not let a three phase motor run in a single phasing condition. All three phase legs of the motor are monitored and in a single phase condition the other two legs of the motor draw a higher current. This higher current is sensed by the motor's overload heaters in the motor's contactor and take the motor off line by opening the motor contactor. Now to the question, any two legs of a three phase system in electrical terms is known as single phase. As long as the three phase voltage matches the voltage needed in the single phase power diagram it can be connected to operate single phase equipment.

Related questions

Is it possible to design a five phase motor?

Yes!!


Is it possible to run a single phase motor on a drive?

yes it is


How do you use a one phase motor in place of a three phase motor?

To use a single/one phase motor instead of a three phase motor is possible if you have a three phase power supply as you will only need to tap one of the three phases together with neutral and an earthwire, however to use a three phase motor instead of a single phase will require the provision of three phase power supply.


Is it possible to use a dc motor as a prime mover for a three phase syncronous ac generator?

It is possible to use it


Can you operate single phase motor from drive?

yes it is possible if you provide full details


Is 3 phase motor run on 1 phase supply?

No. That would be a single phase motor.


Can i run single phase dc motor from 3phase bldc controller. i m using single phase motor in motorcycle and controller from other electric vehicle. if yes please tell me how to connect it?

It is possible to run a DC motor on a 3-phase supply using a full-wave rectifier if the voltage is right.


When changing phase rotation of a 3 phase motor is this done at the switchboard?

The phase rotation of motor should be always done from motor side i.e The motor terminal box.


How do you check single phase motor winding?

Single phase motor winding is often checked just by listening to the noise that the motor is making. An experienced person can tell if the motor is working at single phase or double phase.


How do you determine a 3 phase motor and each winding?

To see if the motor is three phase or single phase look at the motor's nameplate. There it will tell you what the voltage needs to be and what system phase the motor needs to be connected to operate properly.


How do you turn a 3 phase motor in to a generator?

We can convert a 3 phase ac motor into generator by changing phase sequence of the ac input cable of that motor


Is 380 volts electric motor a single phase or 3 Phase?

It is probably a three phase 50 Hz motor.