Partial discharge diagnosis of stator insulation using damped AC voltages

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...

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Bibliographic Details
Main Authors: Gulski, E., Meijer, S., van Breen, H.J., Seitz, P.P., de Vries, F., Petzold, F.
Format: Conference Proceeding
Language:English
Subjects:
Circuit testing
damped AC voltages
diagnostics
Dielectric loss measurement
Dielectric losses
Dielectrics and electrical insulation
knowledge rules
Partial discharges
Power cables
stator insulation
Stators
Stress
Switches
Voltage
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Description
Summary: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
ISSN:1089-084X
DOI:10.1109/ELINSL.2006.1665244