Impact of humidity on dielectric response of rotating machines insulation system

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 17, Issue 5, 2010, Pages 1479-1488

  Soltani, Reza ^a   David, Eric ^a   Lamarre, Laurent ^b  

^a ÉCOLE DE TECHNOLOGIE SUPÉRIEURE   (Canada)

^b HYDRO QUÉBEC   (Canada)

Author keywords

Dielectric response; moisture; polarization and depolarization currents; rotating machines insulation

Indexed keywords

COMMON MATERIALS; CONDITION ASSESSMENTS; DIELECTRIC RESPONSE; DISSIPATION FACTORS; ELECTRICAL PROPERTY; END WINDINGS; ENVIRONMENTAL CONDITIONS; FREQUENCY DOMAINS; GRADING LAYER; INSULATING SYSTEM; INSULATION SYSTEM; INSULATION TECHNOLOGY; LABORATORY CONDITIONS; MACHINE INSULATION; POLARIZATION AND DEPOLARIZATION CURRENTS; ROTATING MACHINE; STATOR INSULATION; TIME AND FREQUENCY DOMAINS; TIME DOMAIN MEASUREMENT;

BUILDING MATERIALS; DEPOLARIZATION; ELECTRIC INSULATION; ELECTRIC PROPERTIES; ENVIRONMENTAL CHAMBERS; FREQUENCY RESPONSE; MATERIALS PROPERTIES; MOISTURE; ROTATING MACHINERY; ROTATION; TIME DOMAIN ANALYSIS;

DIELECTRIC MATERIALS;

EID: 77957927439     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2010.5595549     Document Type: Article

References (19)

1. IEEE Std 43-2000, "IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery", 2000.
2. E. David and L. Lamarre, "Low-Frequency Dielectric response of Epoxy-Mica Insulated Generator Bars during Multi-Stress Aging", IEEE Trans. Dielectr. Electr. Insul., Vol. 14, pp. 212-226, 2007. (Pubitemid 46375899)
3. M. Farahani, H. Borsi and E. Gockenbach, "Dielectric Response Studies on Insulation System of High Voltage Rotating Machines", IEEE Trans. Dielectr. Electr. Insul., Vol. 13, pp. 383-393, 2006.
4. R. Soltani, E. David and L. Lamarre, "Study on the Effect of Humidity on dielectric Response and Partial Discharges Activity of Machine Insulation Materials", IEEE Electr. Insul. Conf. (EIC), pp. 343-347, 2009.
5. R. Soltani, E. David and L. Lamarre, "Temperature Effect on Dielectric Characteristics of Large Rotating Machines Insulation", IEEE Intern. Sympos. Electr. Insul., pp. 280-283, 2008.
6. R. Soltani, E. David, L. Lamarre and L. Lafortune, "Effect of Humidity on Charge and Discharge Current of Large Rotating Machines Bar Insulation", IEEE Intern. Sympos. Electr. Insul., pp. 412-415, 2008.
7. E. David, L. Lamarre, D. N. Nguyen, "The Use of Time Domain Spectroscopy as a Diagnostic Tool for Rotating Machine Windings", IEEE Intern. Sympos. Electr. Insul. (ISEI), pp. 506-510, 2002. (Pubitemid 34668707)
8. E. David and L. Lamarre, "Modeling of the low-frequency dielectric response of rotating machine stator insulation system", IEEE Conf. Electr. Insul. Dielectr. Phenomena (CEIDP), pp. 257-260, 2005. (Pubitemid 46016186)
9. G. R. Soltani and E. David, "Condition Assessment of Rotating Machine Winding Insulation by Analysis of Charging and Discharging Currents" IEEE Intern. Sympos. Electr. Insul. (ISEI), pp. 336-339, 2006. (Pubitemid 46823287)
10. L. Lamarre and E. David, "Dielectric response of rotating machine stator insulation system", IEEE Conf. Electr. Insul. Dielectr. Phenomena (CEIDP), pp. 549-552, 2006.
11. E. David, L. Lamarre, D. N. Nguyen, "Measurements of polarization/depolarization currents for modern epoxy-mica bars in different conditions", IEEE Electr. Insul. Conf. (EIC), pp. 202-206, 2007.
12. S. A. Bhumiwat, "Field Experience in Insulation Diagnosis of Industrial High Voltage Motors using Dielectric Response Technique", IEEE Electr. Insul. Conf. (EIC), pp. 454-457, 2009.
13. S. A. Bhumiwat and S. Bhumiwat, "Practical experiences on condition assessment of Stator insulation using Polarisation/Depolarisation Current technique", in CIGRE Session, Paris, France, pp. D1-210, 2008.
14. H. Farahani, H. Borsi and E. Gockenbach, "Dielectric Spectroscopy inTime and Frequency Domain on Insulation System of High Voltage Rotating Machines", IEEE 8th Intern. Conf. Solid Dielectr. (ICSD), pp. 60-63, 2004. (Pubitemid 40420863)
15. A. K. Jonscher, Dielectric Relaxation in Solids, Chelsea Dielectrics Press, 1984.
16. A. Helgesen, Analysis of Dielectric Response Measurement Methods and Dielectric Properties of Resin-Rich Insulation During Processing, Ph. D. Thesis, Kungl Tekniska Högskolan (KTH), Sweden, 2000.
17. B. V. Hamon, "An Approximate Method for Deducing Dielectric Loss Factor from Direct-Current Measurements", Proc. IEE, Vol. 99, pp. 151-155, 1952.
18. IEEE Std 286-2000, "IEEE Recommended Practice for Measurement of Power Factor Tip-Up of Electric Machinery Stator Coil Insulation", 2000.
19. E. David and L. Lamarre, "Progress in DC Testing of Generator Stator Windings: Theoretical Considerations and Laboratory Tests", IEEE Trans. Energy Conversion, Vol. 25, pp. 49-58, 2010.