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首页> 外文期刊>Applied Computational Electromagnetics Society journal >The Influence of Thermal Deformation on the AMB-rotor System of HTR-PM Helium Circulator
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The Influence of Thermal Deformation on the AMB-rotor System of HTR-PM Helium Circulator

机译：热变形对HTR-PM氦循环器AMB转子系统的影响

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摘要

Helium circulator is the core component of High Temperature Reactor-Pebblebed Modules (HTR-PM), and its rotor is supported by active magnetic bearings (AMBs). The windings of the motor and AMBs will generate a great deal of heat due to Ohmic loss, which increases the temperature of the circulator. The high temperature will cause the thermal deformation of AMB-rotor system, leading to the clearance change between rotor and AMBs. The AMB stiffness and inductive transducer sensitivity will be affected by the changed clearance, which decrease the stability of the AMB-rotor system. In this paper, through theoretical analysis and finite element analysis (FEA), the influence of thermal deformation on the AMB stiffness and transducer measurement is studied. The simulation and experiment for the AMB-rotor system in the circulator is carried out to explore the performance of AMB controllers and the influences of thermal deformation on the unbalanced response of the AMB-rotor system is analyzed. The theoretical calculations in this paper has general applications in the controller improvement of AMBs under clearance change and provides a reference for mechanical structure design and controller design of AMBs.
机译：氦循环器是高温反应堆卵石模块（HTR-PM）的核心组件，其转子由主动磁轴承（AMB）支撑。由于欧姆损耗，电动机和AMB的绕组会产生大量热量，这会增加循环器的温度。高温会引起AMB转子系统的热变形，从而导致转子与AMB之间的间隙变化。间隙的变化会影响AMB的刚度和感应换能器的灵敏度，从而降低AMB转子系统的稳定性。本文通过理论分析和有限元分析（FEA），研究了热变形对AMB刚度和换能器测量的影响。通过在循环器中对AMB转子系统进行仿真和实验，以探索AMB控制器的性能，并分析了热变形对AMB转子系统不平衡响应的影响。本文的理论计算在间隙变化下对AMB控制器的改进中具有普遍的应用，为AMB的机械结构设计和控制器设计提供参考。

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  • 作者

    Yu Jinpeng; Du Guowei; Wang Hong; Sun Zhe; Zhao Lei;

  • 作者单位

    Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety, Beijing 100084, Peoples R China;

    Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety, Beijing 100084, Peoples R China;

    Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety, Beijing 100084, Peoples R China;

    Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety, Beijing 100084, Peoples R China;

    Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety, Beijing 100084, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    AMBs; HTR-PM; thermal deformation; unbalanced response;

    机译：AMBS;HTR-PM;热变形;不平衡的反应;

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