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On Reducing the Shaft Torque Ripple of Small-to-Medium-Scale Wind Energy Conversion Systems Using Multi-Pulse Autotransformer Rectifier

Author

Listed:
  • Jie Chen

    (College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China)

  • Jiawei Chen

    (College of Automation, Chongqing University, Chongqing 400044, China)

Abstract

In a small-to-medium-scale wind energy conversion system (WECS), diode rectifiers rather than pulse-width modulated (PWM) rectifiers are widely adopted due to the features of high reliability and low cost. However, large current harmonics are induced in the generator phase current by commutations of diode rectifier, eventually causing large torque ripple on the drive-train of the WECS and making it more likely to be fatigue breakdown. In this paper, a 12-pulse autotransformer rectifier unit (ATRU) with reduced volume and weight is proposed for WECS application. By analyzing the characteristics of the input current and output voltage of the ATRU within the entire operation range of WECS, the method to properly design its parameters is proposed. A 1.2 kW direct-drive WECS demonstration platform using ATRU is built in the lab. A modified sensorless overall power control strategy is adopted to control the WECS. Experimental tests are carried out and the results not only validate the feasibility of implementing ATRU in WECS applications, but also prove its high torque ripple reduction ability.

Suggested Citation

  • Jie Chen & Jiawei Chen, 2018. "On Reducing the Shaft Torque Ripple of Small-to-Medium-Scale Wind Energy Conversion Systems Using Multi-Pulse Autotransformer Rectifier," Energies, MDPI, vol. 11(2), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:2:p:379-:d:130429
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    Citations

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    Cited by:

    1. Fabio Corti & Abdelazeem Hassan Shehata & Antonino Laudani & Ermanno Cardelli, 2021. "Design and Comparison of the Performance of 12-Pulse Rectifiers for Aerospace Applications," Energies, MDPI, vol. 14(19), pages 1-23, October.
    2. Michał Gwóźdź & Michał Krystkowiak & Łukasz Ciepliński & Ryszard Strzelecki, 2020. "A Wind Energy Conversion System Based on a Generator with Modulated Magnetic Flux," Energies, MDPI, vol. 13(12), pages 1-18, June.
    3. Rohollah Abdollahi & Gevork B. Gharehpetian & Fazel Mohammadi & Saravana Prakash P, 2022. "Multi-Pulse Rectifier Based on an Optimal Pulse Doubling Technique," Energies, MDPI, vol. 15(15), pages 1-18, July.

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