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Subject: search.filters.subject.Motor Performance

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    Comparative performance evaluation of two-phase PWM inverter FED induction motor drives with various topologies
    (2003-12-01)
    Sinthusonthichat, J.
    ;
    Areehamad, R.
    ;
    Kinnares, V.
    In order to compare the performance and to achieve a wide range of variable speed control of two-phase induction motor, various types of SPWM inverter topologies focused on high system efficiency and low torque pulsation are designed and implemented. By those topologies, two-phase unsymmetrical induction motor has been tested under the same conditions. The voltages supplied for main and auxiliary windings are independent with displaced 90 electrical degrees phase shift. The energised voltage of main winding is varied by V/F control scheme while that of auxiliary winding is kept at maximum level as nominal voltage. All experimental results are compared to validate the drive capability and motor performance.
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    Item type:Publication,
    Performance evaluation of variable speed control of two-phase induction motors
    (2002-01-01)
    Sinthusonthichat, J.
    ;
    Kinnares, V.
    In this paper, various control methods for two-phase winding capacitor induction motor drives are proposed. Comparative performance evaluation of three different control techniques with the same fundamental voltage is given. For the first condition, the motor is fed by a sinusoidal power supply provided from a synchronous generator for both main and auxiliary windings without phase shifting of the supply voltage (conventional method). For the second condition, the motor is fed by the designed half-bridge inverter with 90 degree current phase difference for each winding. The voltage sources of both windings are regulated by V/f control scheme. Like the second case, the last condition provides constant maximum current of the auxiliary winding and variable current depending load torque of the main winding. All experimental results are compared and discussed.