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Preventing Undetected Train Torsional Oscillations
(Texas A&M University. Turbomachinery Laboratories, 2010)
In the past few years the authors have encountered numerous problems and coupling failures related to unexpected torque fluctuations on applications with reciprocating compressors and on VFD, synchronous motor, and gas ...
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.
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 ...