Journal of Power Electronics

  • 제17권6호
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  • Pages.1523-1534
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  • 2017
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Bus Clamping PWM Based Hysteresis Current Controlled VSI Fed Induction Motor Drive with Nearly Constant Switching Frequency

  • Peter, Joseph (Department of Electrical Engineering, National Institute of Technology) ;
  • Mohammed Shafi, KP (Department of Electrical Engineering, National Institute of Technology) ;
  • Ramchand, Rijil (Department of Electrical Engineering, National Institute of Technology)
  • 투고 : 2017.04.08
  • 심사 : 2017.08.12
  • 발행 : 2017.11.20
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초록

A Current Error Space Phasor (CESP) based hysteresis controller with online computation of the boundary for two-level inverter fed Induction Motor (IM) drives is presented in this paper. The stator voltages estimated along the ${\alpha}$-and ${\beta}$-axes and the orthogonal current error components of the motor are used in the online computation of the hysteresis boundary. All of the inherent benefits of space phasor based hysteresis controllers such as its quick dynamic response and nearby voltage vector switching are present in the proposed scheme with the added benefit of suppressing switching frequency variations. The similarity in the frequency spectrum of the phase voltage obtained at the output of the inverter using the proposed scheme and Bus Clamping Pulse Width Modulation (BCPWM) based drive is justified with the help of extensive MATLAB SIMULINK simulations. The controller is experimentally verified with a three phase, 2.2 kW IM drive for steady state and transient conditions and the obtained results match the simulation results.

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참고문헌

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