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Preventing Unstable Operation of a Synthesis Compressor Using Dynamic System Simulation
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
• An example of unexpected dynamic response
• Results of an analysis using modeling of the complete
compressor installation
1. Lay-out of the compressor system
2. Description of the problem
3. Measurements
4. Analysis ...
Solving Sub-synchronous Vibration Problems on Butadiene Compressor with VSDS Drive
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Turbo-Expander Compressor Active Magnetic Bearing Trips Reduction - A Case Study
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
To share lessons learned from the operations of Cryogenic Turbo-Expander Compressors (TEC). Scope of discussions will be limited to the 3 earlier units in Qatar Operator supplied by Turboexpander OEM with Active Magnetic ...
Steam Turbine Blade Failure
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
The objective of this Case study is to share the Failure analysis of a steam turbine blades due to blade excitation aided by corrosion.
The blade failure was detected early by Company Vibration analyst in July 2006, when ...
NGL-Recovery Expander-Compressor Commissioning
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Commissioning Background
-Description of the NGL Process.
-Description of the NGL expanders-compressors.
-Initial startup issues, troubleshooting and solutions:
-0% IGV speed overshoot.
-Decrease of the Bearing housing ...
Gearbox Misalignment on Combustion Gas Turbine Generator
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
To share with you Abqaiq Plants’ successful experience in resolving a high vibration problem on a Gas Turbine Load Gearbox
Diagnosis and Solution for High-Speed Turboexpander Thrust Loading IssueDiagnosis
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Background; Problem Identification; Analysis; Scope; Testing; Conclusions
Engine Driven Pumps - Vibration Problem Resolution Using Specialized Testing Techniques
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Outline: Problem description and approach overview. Specialized testing to characterize the problem. Conclusions and recommendations based on the
test results. Implementing the solution. Lessons learned.
Case Study of Reverse Rotation Of Centrifugal Compressors - Impacts, Causes & Mitigations
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Outline: Introduction; Process overview; Compressor design & construction; Narrative of reverse rotation events;
Cause of reverse rotation; Possible impacts of reverse rotation; Mitigating actions taken; Lessons learned; ...
RCFA Case Study: Infant Mortality: Lean Solvent Centrifugal Pump Motor
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Introduction: •Qatargas Operating Company Limited •Refresher: Bathtub Curve & Failure Regions (i.e. Infant Mortality) Root Cause & Failure Analysis •Brief Introduction –Incident and Action Plan •Simplified System Diagram ...