Electric Power ›› 2014, Vol. 47 ›› Issue (1): 96-99.DOI: 10.11930/j.issn.1004-9649.2014.1.96.3

• Orginal Article • Previous Articles     Next Articles

Analysis on Gas Turbine Tripping by Fan Fault and Modification of Gas Room Fan

LI Ming1, ZHANG Shao-qing1, ZHANG Yue-zhong1, SUN Liang1, PENG Hua2   

  1. 1. Huadian Electric Power Research Institute, Hangzhou 310030, China;
    2. Nanjing Turbine & Electric Machinery (Group) Co., Ltd., Nanjiang 210037, China
  • Received:2013-11-14 Online:2014-01-31 Published:2015-12-18

Abstract: Through the analysis on the gas turbine tripping caused by the insufficient output of the ventilation fan, the inadequate rising height of the crank arm of the fan outlet and the wrong position of the limited switch in the installation and debugging of the gas room ventilation fan(88VL) of Huadian Wujiang 2×9E Gas Turbine Project, certain simple and feasible innovative plans such as changing the installation mode of the fan external limit switch and the limit switch control wiring are proposed and implemented successfully on the Gas Turbine 1 of the project, which have speeded up the installation, made the equipment debugging more convenient and improved the security of the gas turbine. Therefore, these plans are accepted by the gas turbine manufacturer and applied in the installation and debugging of the gas turbines of the same type.

Key words: gas turbine, gas room ventilation fan (88VL), switching value, control logic

CLC Number: