How Does Wound Rotor in Induction Motor Work?

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How Does Wound Rotor in Induction Motor Work?

What is a Wound Rotor in an Induction Motor?

The wound rotor is an essential component in an induction motor. It comprises a series of coils linked to the motor's slip rings. These coils, usually made from copper wire, are intricately wound around an iron core.

How Does a Wound Rotor Affect the Operation of an Induction Motor?

During motor operation, the wound rotor connects to an external resistance through slip rings. Adjusting this external resistance helps control the motor's speed and torque. Altering the resistance in the rotor circuit allows the motor's performance to adapt to specific needs.

What Are the Advantages of Using a Wound Rotor in an Induction Motor?

One major benefit of a wound rotor is its high starting torque. Increased resistance in the rotor circuit can generate higher torque at startup, essential for driving heavy loads or overcoming initial inertia. Additionally, wound rotors facilitate smooth acceleration and deceleration. By incrementally varying the rotor resistance, the motor can seamlessly transition from a standstill to full speed and vice versa.

The wound rotor in an induction motor provides enhanced flexibility and control over motor performance, making it ideal for applications requiring precise speed and torque management.

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