Title :
Partial discharge diagnosis of stator insulation using damped AC voltages
Author :
Gulski, E. ; Meijer, S. ; van Breen, H.J. ; Seitz, P.P. ; de Vries, F. ; Petzold, F.
Author_Institution :
Delft Univ. of Technol.
Abstract :
In searching process for new, advanced technologies which could be applied for on-site diagnostics of machine insulation this paper discuses the application of damped AC voltages to detect and to analyze the PD processes. Based on laboratory investigation on a full scale stator insulation system, as well as during field inspections on large motors, a comparison of PD behavior: the PD inception conditions and PD levels at 50 Hz AC stresses and damped AC stresses has been performed. The applicability of PD detection at damped AC voltage has been discussed
Keywords :
electric motors; inspection; insulation testing; machine insulation; machine testing; partial discharge measurement; stators; 50 Hz; PD inception condition; damped AC voltage detection; dielectric loss; knowledge rule; motor inspection; on-site diagnostics; partial discharge diagnosis; stator insulation; Circuit testing; Dielectric loss measurement; Dielectric losses; Dielectrics and electrical insulation; Partial discharges; Power cables; Stators; Stress; Switches; Voltage; damped AC voltages; diagnostics; dielectric losses; knowledge rules; partial discharges; stator insulation;
Conference_Titel :
Electrical Insulation, 2006. Conference Record of the 2006 IEEE International Symposium on
Conference_Location :
Toronto, Ont.
Print_ISBN :
1-4244-0333-2
DOI :
10.1109/ELINSL.2006.1665244
