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Article Navigation >  Journal of University of Electronic Science and Technology of China  > 2012  >  41(4): 637-640

ZHANG Jin-song, ZHANG Da-li. Investigation on Improving Life of Vertical Motor Thrust Bearing by Axial Magnetic Force[J]. Journal of University of Electronic Science and Technology of China, 2012, 41(4): 637-640. doi: 10.3969/j.issn.1001-0548.2012.04.031
Citation: ZHANG Jin-song, ZHANG Da-li. Investigation on Improving Life of Vertical Motor Thrust Bearing by Axial Magnetic Force[J]. Journal of University of Electronic Science and Technology of China, 2012, 41(4): 637-640. doi: 10.3969/j.issn.1001-0548.2012.04.031
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Investigation on Improving Life of Vertical Motor Thrust Bearing by Axial Magnetic Force

doi: 10.3969/j.issn.1001-0548.2012.04.031
  • 1.

    Xinxiang Vocational and Technical College Xinxiang Henan 453006;

  • 2.

    Zhengzhou Xinli Electric Power Co.,LTD Zhenzhou 450055

  • Received Date: 2011-12-01
  • Rev Recd Date: 2012-01-12
  • Publish Date: 2012-08-15
  • To solve the heavy wear and poor life of thrust bearing in vertical motor because of its axial load long-term overload, the paper proposes a method that the axial load is offset by axial electromagnetic tension generated after the asynchronous motor rotor magnetized. Taking the vertical motor of condensed water pump in a 200 MW thermal power unit as example, the life of thrust bearing is calculated in the case of a part of axial loads on the axial magnetic force auxiliary. Experiment result shows that the method can lower the wear of thrust bearing and improve its life.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Investigation on Improving Life of Vertical Motor Thrust Bearing by Axial Magnetic Force

doi: 10.3969/j.issn.1001-0548.2012.04.031
  • 1. Xinxiang Vocational and Technical College Xinxiang Henan 453006;
  • 2. Zhengzhou Xinli Electric Power Co.,LTD Zhenzhou 450055
  • Received Date: 2011-12-01
  • Rev Recd Date: 2012-01-12
  • Publish Date: 2012-08-15

Abstract: To solve the heavy wear and poor life of thrust bearing in vertical motor because of its axial load long-term overload, the paper proposes a method that the axial load is offset by axial electromagnetic tension generated after the asynchronous motor rotor magnetized. Taking the vertical motor of condensed water pump in a 200 MW thermal power unit as example, the life of thrust bearing is calculated in the case of a part of axial loads on the axial magnetic force auxiliary. Experiment result shows that the method can lower the wear of thrust bearing and improve its life.

ZHANG Jin-song, ZHANG Da-li. Investigation on Improving Life of Vertical Motor Thrust Bearing by Axial Magnetic Force[J]. Journal of University of Electronic Science and Technology of China, 2012, 41(4): 637-640. doi: 10.3969/j.issn.1001-0548.2012.04.031
Citation: ZHANG Jin-song, ZHANG Da-li. Investigation on Improving Life of Vertical Motor Thrust Bearing by Axial Magnetic Force[J]. Journal of University of Electronic Science and Technology of China, 2012, 41(4): 637-640. doi: 10.3969/j.issn.1001-0548.2012.04.031
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