What happens if fifth harmonics is given to the induction motor?

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RRB Paper · Accepted Answer

If fifth harmonics is given to the induction motor then motor will rotate in reverse direction. If the fifth harmonic component in the power supply voltage is greater than the fundamental component, it can cause the motor to rotate in the reverse direction. The fifth harmonic component will create a rotating magnetic field in the opposite direction to the fundamental component, leading to the reverse rotation of the motor. This is a rare and extreme case and can only happen if the fifth harmonic component is much higher than the fundamental component.

What happens if fifth harmonics is given to the induction motor?

Short-circuit the motor

Motor will rotate in reverse direction

Motor will rotate in the same direction

None of the above

The correct answer is `No. 2: Motor will rotate in reverse direction`

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What happens if fifth harmonics is given to the induction motor?

Short-circuit the motor

Motor will rotate in reverse direction

Motor will rotate in the same direction

None of the above

The correct answer is No. 2: Motor will rotate in reverse direction

The correct answer is `No. 2: Motor will rotate in reverse direction`