• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
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Volume 15 Issue 1
Feb.  2002
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Article Contents
CHENGui-qing, YANG Yi-ren, QIUJia-jun. Hydrogenerator Rotors: Zero Frequency ofTorsional Vibration and Resonance[J]. Journal of Southwest Jiaotong University, 2002, 15(1): 44-48.
Citation: CHENGui-qing, YANG Yi-ren, QIUJia-jun. Hydrogenerator Rotors: Zero Frequency of Torsional Vibration and Resonance[J]. Journal of Southwest Jiaotong University, 2002, 15(1): 44-48.

Hydrogenerator Rotors: Zero Frequency of Torsional Vibration and Resonance

  • Publish Date: 25 Feb 2002
  • The clearance energyofmagnetic field and electromagnetic stiffness of a large hydrogenerator unit are obtained, the formula for solving the whole torsional natural frequency of the hydrogenerator rotors is derived, and the zero frequency of torsional vibration under the rated running condition is calculated The change of zero frequency with the exciting current and the active power, and the magnitude-frequency character of resonance when zero frequency approximates to the working frequency, are analyzed.

     

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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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