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Subject: search.filters.subject.Slip regulation control

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    Slip regulation control of an unsymmetrical two-phase induction motor coupling with DC generator using torque control
    (2019-07-01)
    Rujidam, Navee
    ;
    Piyarat, Wekin
    ;
    Kinnares, Vijit
    This paper proposes an unsymmetrical two-phase induction motor propulsion coupling with separately-excited DC generator by Matlab/Simulink. This propulsion composes of two parts. One is two-phase three-leg voltage source inverter by means of continuous unbalanced space vector pulse width modulation for the induction motor, which is controlled by slip regulation control. The other is four-quadrant DC chopper supplied with constant DC-link voltage of a three-phase grid-connected converter, which feed into armature winding of the DC generator using torque control. The simulation results was found that the induction motor was capable of constant speed at 1,450 rpm while taken load at 10 Nm with torque control of the four-quadrant DC chopper for DC generator. Furthermore, The DC generator was able to flow power to grid by the grid-connected converter. To conclude, the propulsion is good, since grid current in the generator drive part was nearly sinusoidal waveform and power in the same part can flow to grid, which can save energy and improve power factor.
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    Performance evaluation and slip regulation control of an asymmetrical parameter type two-phase induction motor drive using a three-leg Voltage Source Inverter
    (2010-08-18)
    Piyarat, Wekin
    ;
    Kinnares, Vijit
    This paper presents a performance evaluation and a simple speed control method of an asymmetrical parameter type two-phase induction motor drive using a three-leg VSI (Voltage Source Inverter). The two-phase induction motor is adapted from an existing single-phase induction motor resulting in impedance unbalance between main and auxiliary windings. The unbalanced two-phase inverter outputs with orthogonal displacement based on a SPWM (Sinusoidal Pulse Width Modulation) method are controlled with appropriate amplitudes for improving the motor performance. Dynamic simulation of the proposed drive system is given. A simple speed controller based on a slip regulation method is designed. The overall system is implemented on a DSP (Digital Signal Processor) board. The validity of the proposed system is verified by simulation and experimental results. © 2010 The Institute of Electrical Engineers of Japan.