Journal of Electrical Engineering and Technology

  • 제12권4호
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  • Pages.1484-1494
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  • 2017
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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An Efficient and High-gain Inverter Based on The 3S Inverter Employs Model Predictive Control for PV Applications

  • Abdel-Rahim, Omar (Dept. of Electrical and Electronic Engineering, Faculty of Engineering, Aswan University) ;
  • Funato, Hirohito (Dept. of Electrical and Electronic Engineering, Utsunomiya University) ;
  • Junnosuke, Haruna (Dept. of Electrical and Electronic Engineering, Utsunomiya University)
  • 투고 : 2016.11.09
  • 심사 : 2017.06.22
  • 발행 : 2017.07.01
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초록

We present a two-stage inverter with high step-up conversion ratio engaging modified finite-set Model Predictive Control (MPC) for utility-integrated photovoltaic (PV) applications. The anticipated arrangement is fit for low power PV uses, the calculated efficiency at 150 W input power and 19 times boosting ratio was around 94%. The suggested high-gain dc-dc converter based on Cockcroft-Walton multiplier constitutes the first-stage of the offered structure, due to its high step-up ability. It can boost the input voltage up to 20 times. The 3S current-source inverter constitutes the second-stage. The 3S current-source inverter hires three semiconductor switches, in which one is functioning at high-frequency and the others are operating at fundamental-frequency. The high-switching pulses are varied in the procedure of unidirectional sine-wave to engender a current coordinated with the utility-voltage. The unidirectional current is shaped into alternating current by the synchronized push-pull configuration. The MPC process are intended to control the scheme and achieve the subsequent tasks, take out the Maximum Power (MP) from the PV, step-up the PV voltage, and introduces low current with low Total Harmonic Distortion (THD) and with unity power factor with the grid voltage.

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참고문헌

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