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Keywords: torsional vibration
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Proceedings Papers

Proc. ASME. POWER2008, ASME 2008 Power Conference, 249-252, July 22–24, 2008
Paper No: POWER2008-60016
... 09 07 2009 Proceedings of PWR2008 ASME Power July 22-24, Orlando, Florida, USA U S u l a 1 generator, the dynamic modification for the torsional vibration natural frequency is carried out by the sensitivity analysis modified via analyzing the sensitivity of natural frequency...
Proceedings Papers

Proc. ASME. POWER2008, ASME 2008 Power Conference, 235-240, July 22–24, 2008
Paper No: POWER2008-60012
... 09 07 2009 The torsional vibration of turbine-generator shafts can be excited by the disturbance of electric power system. The coupling interaction between the system disturbance and the torsional vibration makes turbine-generator oscillate. Alternate torsional stress due to large...
Proceedings Papers

Proc. ASME. POWER2007, ASME 2007 Power Conference, 83-90, July 17–19, 2007
Paper No: POWER2007-22010
... propagation analysis. This paper provides an overview of this failure investigation, which led to the identification of the blades torsional vibrations near 120 Hz and some operation periods with low load low vacuum as the primary contribution to the observed failure. Failure analysis High cycle...
Proceedings Papers

Proc. ASME. POWER2007, ASME 2007 Power Conference, 271-274, July 17–19, 2007
Paper No: POWER2007-22019
... 04 05 2009 Due to the disturbance of electric power system or other shock load, the torsional vibration of turbine-generator shafts occurs. Alternative shear stress due to torsional vibration decreases the shafts life, even results in shafts broken. It is significant to calculate...
Proceedings Papers

Proc. ASME. POWER2005, ASME 2005 Power Conference, 483-487, April 5–7, 2005
Paper No: PWR2005-50207
... 28 10 2008 With wide application of large-scale turbine-generator sets, the torsional vibration of large-scale turbine-generator set has become the focus of study. Exact measurement of torsional vibration is the key. Proceeding from actual conditions of turbine-generator set...
Proceedings Papers

Proc. ASME. POWER2006, ASME 2006 Power Conference, 343-347, May 2–4, 2006
Paper No: POWER2006-88132
... 07 10 2008 Due to the disturbance of electric power system or other shock load, the torsional vibration of turbine-generator shafts occurs. It is significant to calculate the response of torsional vibration excited by the disturbance of electric power system in order to analyze...