The course focuses on hydro-electric generators. Although much of the discussion relates to synchronous machines rated greater than 10MVA and 6.9kV the principles apply equally to generators of all sizes down to 4kV. Discussion will concentrate on stators (frames, windings and laminated cores), rotors (windings, rims and spiders), as well as brackets, bearings and cooling. The course is presented from an end user perspective, rather than that of a machine designer.
Topics covered in this course include:
Machine design and monitoring technologies
Rotor design and potential failure mechanisms
Stator design and potential failure mechanisms
Introduction to monitoring systems
Vibration monitoring (theory and application)
Air gap and flux monitoring (theory and application)
Electrical monitoring practices
Hydraulic monitoring practices
Air gap, Vibration, Electrical quantities, Hydraulic quantities
Dr. Nicolas Dehlinger is a Rotating Machine Engineer at Iris Power (Qualitrol). He graduated from the Université Laval, Québec, Canada, in 2007 (M.Sc.) and in 2011 (Ph.D.), with a specialization in Electrical Machine Design. Since 2010, he has been working as an electrical design engineer for GE (formerly Alstom) in Tracy, Canada and in Denver, USA. He was mainly involved in generator refurbishment projects, repair/testing and assessment of generator windings and cores.
Ozren Husnjak has more than 10 years of experience in vibration data collection, processing and analysis. Ozren has a degree from Departments of Physics, Faculty of Science where he worked as assistant teacher. Since 2006, Ozren worked for VESKI, Zagreb, providing expertise in signal analysis and software development. Ozren conducted a number of training courses in this area and was involved in installation of vibration and air gap sensors, and provided data interpretation services.
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