Title :
Analysis of shaft voltages in large synchronous generators
Author :
Torlay, Jean-Éric ; Corenwinder, Chantal ; Audoli, Alain ; Hérigault, Joel ; Foggia, Albert
Author_Institution :
Lab. d´´Electrotechn. de Grenoble, ENSIEG, St Martin d´´Heres, France
Abstract :
In order to improve maintenance of large turbogenerators, a new diagnostic tool is developed by analysing shaft voltages. This study is validated by a comparison between the measurements made on a 30 kVA synchronous machine and its modelling with a finite element program
Keywords :
electric machine analysis computing; fault diagnosis; finite element analysis; machine testing; machine theory; maintenance engineering; synchronous generators; voltage measurement; 30 kVA; computer simulation; diagnostic tool; finite element program; large synchronous generators; maintenance; measurements; shaft voltages analysis; Circuits; Finite element methods; Lamination; Magnetic flux; Rotors; Shafts; Stators; Synchronous generators; Synchronous machines; Voltage;
Conference_Titel :
Electric Machines and Drives, 1999. International Conference IEMD '99
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-5293-9
DOI :
10.1109/IEMDC.1999.769189