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Chapter 6: Electric Motors 151Fi g u r e 6-8 Polyphase A C motor operation summarized.meet the load up to the area of full load torque, and far beyond it up to the maximumtorque point (a maximum torque of 350 percent–rated torque is typical).Speed and torque are relatively easy to handle and determine in an induction motor.So are reversing and regenerative braking. If you reverse the phase sequence of its statorsupply (that is, reverse one of the windings), the rotating magnetic field of the stator isreversed, and the motor develops negative torque and goes into generator action,quickly bringing the motor to a stop and reversing direction (see Figure 6-10).Regenerative braking action—pumping power back into the source—is readilyaccomplished with induction motors. How much regenerative braking you applycreates braking (moves the steady state induction motor operating point down the