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slip recovery system
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slip recovery system

electrical engineering
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Quick Summary

A slip recovery system is an electrical engineering concept used with wound-rotor induction motors. These motors have insulated coils in the rotor connected to slip rings, which allow external electrical connections.1

A slip recovery system, often implemented with an electronic rectifier-inverter, connects to these slip rings. Its primary function is to extract power from the rotor circuit and feed it back into the electric supply system. This enables speed control for the motor while maintaining acceptable efficiency, unlike traditional methods that use variable resistors (slip regulators) which can lead to low efficiency due to high rotor circuit resistance losses.12

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2 Britannica Sources
  1. electric motor - Wound-rotor induction motors
  2. slip regulator

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