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The vibration originated from the rotor's unbalance mass impacts on the current oscillation. As the rotor rotating at high speed, Power amplifier circuit will be burned down by excessive control current. While vibrating force transfers to frame, which causes the system vibration and influence the dynamic properties and safe operation. So unbalance compensation on the rotating machine is necessary,...
In this paper, a self-bearing induction motor with additional windings in the stator slots is proposed. The self-bearing induction motor is a strong coupled, multivariable and nonlinear system. The torque and radial suspension forces are coupled each other through airgap flux linkages. The decoupling control of the torque and radial suspension forces is the base of the stable operation of the motor...
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