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Rotordynamic Design Of Centrifugal Compressors In Accordance With The New APIStability Specifications.
(Texas A&M University. Turbomachinery Laboratories, 2005)
The American Petroleum Institute (API) has recently implemented new rotordynamic stability specifications for centrifugal compressors. The specifications consist of a Level I analysis that approximates the destabilizing ...
Knowledge-Based Tool Development And Design For Reciprocating Compressors.
(Texas A&M University. Turbomachinery Laboratories, 2009)
Condition monitoring data collection capabilities have grown over the last decade in large part due to advances in integrated circuits (IC). These advances now permit real time thermodynamic and process calculations on ...
Low Frequency Instability In A Process Compressor.
(Texas A&M University. Turbomachinery Laboratories, 2004)
A catalytic gas process compressor experienced low frequency vibrations in excess of trip levels following installation of a honeycomb balance piston. After 12 years of operation, low seal oil differential forced an unplanned ...
Torsional Oscillation Trouble on VFD Motor Driven Recip Compressor
(Texas A&M University. Turbomachinery Laboratories, 2008)
High vibration problems including failed coupling parts on a VFD motor driven reciprocating compressor are analyzed and the root causes and solutions are discussed in this costly field issue.
Development and Implementation of VFD Active Damping to Smooth Torsional Vibrations on a Geared Train
(Texas A&M University. Turbomachinery Laboratories, 2008)
VFD Induced Coupling Failure
(Texas A&M University. Turbomachinery Laboratories, 2008)
A catastrophic failure of a high performance disc coupling connecting the speed increaser and LP compressor in a VFD controlled 18,300 HP motor/speed increaser/LP compressor/HP compressor train, led to months of reduced ...