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A High Gain AC-DC Rectifier Based on Current-Fed Cockcroft-Walton Voltage Multiplier for Motor Drive Applications

Author

Listed:
  • Ahmad Zarepour

    (Department of Electrical Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran)

  • Amirhossein Rajaei

    (Department of Electrical Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran)

  • Hooman Mohammadi-Moghadam

    (Department of Electrical Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran)

  • Mahdi Shahparasti

    (Flexible Energy Resources, School of Technology and Innovations, University of Vaasa, 65200 Vaasa, Finland)

Abstract

This paper proposes a novel high-gain AC-DC converter based on the Cockcroft-Walton (CW) voltage multiplier which can be utilized in motor drive systems with low input voltage. In this topology, use of the voltage multiplier and boost circuit results in the increment of converter gain which has a significant impact on the cost and efficiency of the system. Moreover, in this converter, the AC voltage is directly changed to DC voltage using the switching method in high frequency and, as well, the power factor is corrected. Besides, this high-frequency converter contributes to the reduction of output ripple. On the other hand, cost efficiency, the low voltage stress on capacitors and diodes, compactness, and the high voltage ratio, are achieved from the Cockcroft-Walton circuit. Furthermore, the hysteresis method is presented for converter switching to correct the power factor. The converter is simulated in MATLAB software to demonstrate the effectiveness of the suggested method. Lastly, a laboratory prototype of the suggested converter is built, several tests are done in order to verify the theoretical analysis, and comprehensive comparison with the state-of-the-art converter is done.

Suggested Citation

  • Ahmad Zarepour & Amirhossein Rajaei & Hooman Mohammadi-Moghadam & Mahdi Shahparasti, 2021. "A High Gain AC-DC Rectifier Based on Current-Fed Cockcroft-Walton Voltage Multiplier for Motor Drive Applications," Sustainability, MDPI, vol. 13(21), pages 1-23, November.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:21:p:12317-:d:674616
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    References listed on IDEAS

    as
    1. Chun-Wei Lin & Chang-Yi Peng & Huang-Jen Chiu, 2019. "A Novel Three-Phase Six-Switch PFC Rectifier with Zero-Voltage-Switching and Zero-Current-Switching Features," Energies, MDPI, vol. 12(6), pages 1-12, March.
    2. Anurak Jaiwanglok & Kei Eguchi & Krit Smerpitak & Amphawan Julsereewong, 2020. "Modification of Cockcroft–Walton-Based High-Voltage Multipliers with 220 V and 50 Hz Input for Non-Thermal Food Processing Apparatus," Sustainability, MDPI, vol. 12(16), pages 1-13, August.
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