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The squirrel-cage induction motor can be connected in
several different ways to produce constant torque, a change of speed,
or a change of horsepower ratings. They can also be connected for variable
torque. The load conditions or applications will dictate the method one
selects to connect the motor. These connections can be made after the
motor is installed on the factory floor or when the motor is being installed
in the machinery it's driving. The next sections will provide examples
of each way the motor can be connected to make these changes.
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