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Abstract
Large variable speed electric motor drivers (above 50 MW) are required for the modern large compressor trains. Mechanical issues, latest technologies and modern developments for the large electric motors are described. New simulation procedures, findings, mitigation methods and lessons learned on the rotor-dynamic, vibration, torsional issues and coupled mechanical-electrical effects for the large electric motor drivers are discussed. A case study is presented.
Additional information
Notes on contributors
A Almasi
Amin Almasi is a rotating machine consultant in Brisbane, Australia. He is chartered professional engineer of Engineers Australia (MIEAust CPEng – Mechanical) and IMechE (CEng MIMechE). He has a MSc and BSc in mechanical engineering and is a Registered Professional Engineer in Queensland. He specialises in rotating machines, including centrifugal, screw and reciprocating compressors, gas turbines, steam turbines, engines, pumps, subsea, offshore rotating machines, LNG units, condition monitoring, and reliability. Amin is an active member of Engineers Australia, IMechE, ASME, CMVI, Vibration Institute, SPE, IEEE and IDGTE. He has authored more than 60 papers and articles dealing with rotating equipment, condition monitoring, offshore, subsea and reliability.