Title :
Experience with controlled high direct-voltage tests on stator windings of rotating machines
Author_Institution :
Manitoba Hydro, Winnipeg, Man., Canada
Abstract :
Controlled high direct-voltage tests are useful for detecting groundwall insulation defects in the stator windings of rotating machines. This paper describes how such a test is especially sensitive to fissures and tape separations in the end winding immediately adjacent to the slot
Keywords :
electric breakdown; electric machines; insulation testing; machine insulation; machine testing; stators; controlled high direct-voltage tests; end winding; fissures; groundwall insulation defects detection; rotating machines; stator windings; tape separations; winding slots; Absorption; Condition monitoring; Dielectrics and electrical insulation; Electrostatics; Insulation testing; Petroleum; Rotating machines; Stator windings; Switches; Voltage fluctuations;
Conference_Titel :
Electric Machines and Drives Conference Record, 1997. IEEE International
Conference_Location :
Milwaukee, WI
Print_ISBN :
0-7803-3946-0
DOI :
10.1109/IEMDC.1997.604332
