Jim Bryan
EASA Technical Support Specialist
The squirrel cage induction motor (SCIM) functions by applying a voltage to the stator winding and inducing a voltage across the air gap in the rotor circuit. The squirrel cage rotor consists of a lamination stack with slots to accommodate some number of rotor bars and shorting (end) rings that tie all the bars together. The squirrel cage consists of bars and end rings that are typically made from alloys of aluminum or copper. This squirrel cage is illustrated in Figure 1 with the lamination stack removed.
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