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Generator Cooling Fan Vibrational Problems: A Design and Operational Case in Jordan

Author

Listed:
  • Naamneh, Rakan
  • Alboursh, Asem
  • Al-Amer, Ayman

Abstract

This project covers certain types of rotor generator vibrational problem, including both conventionally-cooled (indirect copper cooling) windings and direct cooled copper windings as well as those with spindle and body mounted retaining rings. The options for rewinding, modifying, or upgrading are provided for each case type as encountered in the Jordan Petroleum Refinery. Generally; when dealing with generator rotors, problems like oversizing, misalignment, rotor imbalance, off-design operation, lubrication problems, shaft seals, cavitation, balancing system, and vibration are encountered. Methods of resolving vibration problem diagnosis were discussed using different techniques like vibration design analysis which will enhance root cause problems. We have proposed different maintenance best practice like rotor dynamic balance, appropriate operation, seals selection, and lubricant selection. At the end we have proposed a design solution appropriate for failure prevention using rotor balancing after rework or modifications.

Suggested Citation

  • Naamneh, Rakan & Alboursh, Asem & Al-Amer, Ayman, 2017. "Generator Cooling Fan Vibrational Problems: A Design and Operational Case in Jordan," MPRA Paper 79318, University Library of Munich, Germany, revised 23 May 2017.
    • Handle: RePEc:pra:mprapa:79318
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    More about this item

    Keywords

    conventionally cooled winding; lubrication; design failure;
    All these keywords.

    JEL classification:

    • O53 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Asia including Middle East
    • Y40 - Miscellaneous Categories - - Dissertations - - - Dissertations

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