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One possable reason for failure to start could be as simple as a brush not making contactwith the commutator. Also if the commutator segments are dirty this could also contribute to the problem

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16y ago
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15y ago

There could be one phase open, contactor overload tripped or the motor has a coil burned open.

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Q: What causes three phase induction motor fails to start?
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Related questions

Is 3 phase induction motor is self starting?

Yes, that is one of the major advantages of a three-phase induction motor.


Why each phase no load power factor of 3 phase induction motor is not same?

That indicates a fault in the induction motor.


How do you reverse single phase ac motor to generator?

how reversing an ac single phase induction motor to wark as induction generator


Applications of induction motor?

A single phase induction motor is mainly used in fans.It is capacitor start capacitor run induction motor.In three phase induction motor squirrel cage induction motor is mainly used in elevators,lifts,cranes.slip ring induction motor is mainly used in electrically driven ships.


How single-phase induction motor classified?

The single phase induction motors are made self starting by providing an additional flux by some additional means. Now depending upon these additional means the single phase induction motors are classified as: 1.Split phase induction motor. 2.Capacitor start inductor motor. 3.Capacitor start capacitor run induction motor. 4. Shaded pole induction motor.


Self starting single phase induction motors are also called?

Split Phase Induction Motor.


What motor is used in a fan?

Single phase Induction motor


What type of motor is used in ceiling fan?

single-phase induction motor is used in ceiling fan.


Theory for brake test on three phase induction motor?

why three phase induction motor is delta connected


How do you start single phase induction motor?

capacitive start motors start by themselves however a normal single phase induction motor requires a starter motor to 'kick-start' the motor into action.


Disadvantages of 3 phase induction motor?

One of the disadvantages of the 3 phase induction motor is that it requires a three wire supply. The other disadvantage is that the 3 phase induction motors have poor starting torque and high have in the rush currents.


How 3 phase induction motor works?

no one