Wound Rotor Induction Motors

Wound Rotor Induction Motors

Wound Rotor Induction Motors

Wound rotor induction motors are a type of induction motor where the rotor windings are connected through slip rings to external resistance. Wound-rotor motors can be started with low inrush current, by inserting high resistance into the rotor circuit. As the motor accelerates, the resistance can be decreased and adjusting the resistance allows control of the speed/torque characteristic of the motor.

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Wound rotor induction motors provide an excellent starting torque for high inertia loads and have low starting current compared to a squirrel cage induction motor. The wound rotor motor and its adjustable torque-speed characteristics are ideal for driving large ball mills, large presses, variable speed pumps, cranes, hoists, and other high inertial loads. They also suit any application that desires smooth startup and the ability to change speeds.CSE Uniserve supply the Hyundai range of induction motors and generators, each of which is designed for a high level of efficiency, low vibration, low noise and simple installation.

Wound Rotor Induction Motors - Hyundai MV HV Motors

Hyundai motors feature:

  • VPI insulation – providing high reliability and a longer life;
  • Uni-directional cooling fan – for high efficiency and low noise;
  • Vibration free shaft system – with rated speed balancing; and
  • Heavy duty rotor construction; and compact size and simple installation.

Hazardous area designs are also available. Contact us today to find out more.

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