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Study on Unbalanced Magnetic Pulling Analysis and Its Control Method for Primary Helium Circulator of High-Temperature Gas-Cooled Reactor

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  • Yangbo Zheng

    (Institute of Nuclear and New Energy Technology of Tsinghua University, Beijing 100084, China
    Collaborative Innovation Center of Advanced Nuclear Energy Technology, Beijing 100084, China
    The Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing 100084, China)

  • Ni Mo

    (Institute of Nuclear and New Energy Technology of Tsinghua University, Beijing 100084, China
    Collaborative Innovation Center of Advanced Nuclear Energy Technology, Beijing 100084, China
    The Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing 100084, China)

  • Zhe Sun

    (Institute of Nuclear and New Energy Technology of Tsinghua University, Beijing 100084, China
    Collaborative Innovation Center of Advanced Nuclear Energy Technology, Beijing 100084, China
    The Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing 100084, China)

  • Yan Zhou

    (Institute of Nuclear and New Energy Technology of Tsinghua University, Beijing 100084, China
    Collaborative Innovation Center of Advanced Nuclear Energy Technology, Beijing 100084, China
    The Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing 100084, China)

  • Zhengang Shi

    (Institute of Nuclear and New Energy Technology of Tsinghua University, Beijing 100084, China
    Collaborative Innovation Center of Advanced Nuclear Energy Technology, Beijing 100084, China
    The Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing 100084, China)

Abstract

In addition to providing an extremely clean environment for primary loop of high-temperature gas-cooled reactor (HTR), the primary helium circulator (PHC) using electromagnetic levitation technology also provides an effective means for vibration control. Besides synchronous vibration produced by mass imbalance and sensor runout, double-frequency vibration produced by unbalanced magnetic pull (UMP) is serious in PHC engineering prototype (PHC-EP). In this paper, we firstly analyzed the mechanism of UMP and the multi-frequency vibration characteristics in combination with the PHC-EP. Then we put forward a distributed iterative learning control (ILC) algorithm and a parallel control scheme to suppress the periodic vibrations. Finally, we verified the methods by carrying out experimental researches on the active magnetic bearing (AMB) bench of PHC-EP. The results show that the methods put forward in this paper have significant control effect on the double-frequency vibration generated by UMP of the PHC-EP and provide theoretical and practical references for the PHC safe operation in HTR.

Suggested Citation

  • Yangbo Zheng & Ni Mo & Zhe Sun & Yan Zhou & Zhengang Shi, 2019. "Study on Unbalanced Magnetic Pulling Analysis and Its Control Method for Primary Helium Circulator of High-Temperature Gas-Cooled Reactor," Energies, MDPI, vol. 12(19), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:19:p:3682-:d:271000
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    References listed on IDEAS

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    1. Zhe Dong, 2014. "Saturated Adaptive Output-Feedback Power-Level Control for Modular High Temperature Gas-Cooled Reactors," Energies, MDPI, vol. 7(11), pages 1-20, November.
    2. Guangtao Zhang & Junyong Wu & Liangliang Hao, 2017. "Fast Calculation Model and Theoretical Analysis of Rotor Unbalanced Magnetic Pull for Inter-Turn Short Circuit of Field Windings of Non-Salient Pole Generators," Energies, MDPI, vol. 10(5), pages 1-19, May.
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