Importance of denoising in dielectric response measurements of transformer insulation: An uncertainty analysis based approach

Measurement: Journal of the International Measurement Confederation

Volumn 43, Issue 1, 2010, Pages 54-66

  Dey, Debangshu ^a   Chatterjee, Biswendu ^a   Chakravorti, Sivaji ^a   Munshi, Sugata ^a  

^a JADAVPUR UNIVERSITY   (India)

Author keywords

Condition monitoring; Hybrid filter; Noise cancellation; Polarization depolarization current (PDC); Real time data acquisition; Recovery voltage measurement; Uncertainty analysis; Uncertainty envelope; Weighted median (WM) filter

Indexed keywords

DEPOLARIZATION CURRENTS; HYBRID FILTER; HYBRID FILTERS; REAL-TIME DATA ACQUISITION; RECOVERY VOLTAGE MEASUREMENTS; WEIGHTED MEDIAN FILTER;

CONDITION MONITORING; DATA HANDLING; DEPOLARIZATION; DIELECTRIC PROPERTIES; ELECTRIC MEASURING INSTRUMENTS; ELECTRIC TRANSFORMER INSULATION; MERGERS AND ACQUISITIONS; SPURIOUS SIGNAL NOISE; TIME DOMAIN ANALYSIS; VOLTAGE MEASUREMENT;

UNCERTAINTY ANALYSIS;

EID: 71849091301     PISSN: 02632241     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.measurement.2009.06.009     Document Type: Article

References (16)

1. Laplante P.A. The certainty of uncertainty in real-time systems. IEEE Instrumentation & Measurement Magazine 7 4 (2004) 44-50
2. Dey D., Chatterjee B., Chakravorti S., and Munshi S. Hybrid filtering scheme for proper denoising of real-time data in dielectric spectroscopy. IEEE Transactions on Dielectrics and Electrical Insulation 14 5 (2007) 1323-1331
3. Dabóczi T. Uncertainty of signal reconstruction in the case of jittery and noisy measurements. IEEE Transactions on Instrumentation and Measurement 47 5 (1998) 1062-1066
4. Ferrero A., and Salicone S. Measurement uncertainty. IEEE Instrumentation & Measurement Magazine 9 3 (2006) 44-51
5. Guide to the expression of uncertainty in measurements, BIPM, IEC, IFCC, ISO, IUPAC and OIML, 1993.
6. Coleman H.W., and Steele Jr. W.G. Experimentation and Uncertainty Analysis for Engineers (1989), John Wiley & Sons, New York
7. Proakis J.G., and Manolakis D.G. Digital Signal Processing: Principles, Algorithms, and Applications (1998), Prentice-Hall, NJ, USA
8. Haykin S. Adaptive Filter Theory (1991), Prentice-Hall, Englewood Cliffs, NJ
9. Zaengl W.S. Dielectric spectroscopy in time and frequency domain for HV power equipment. Part I: Theoretical considerations. IEEE Electrical Insulation Magazine 19 5 (2003) 6-19
10. Zaengl W.S. Application of dielectric spectroscopy in time and frequency domain for HV power equipment. IEEE Electrical Insulation Magazine 19 6 (2003) 9-22
11. Yin L., Yang R., Gabbouj M., and Neuvo Y. Weighted median filters: a tutorial. IEEE Transactions on Circuits And Systems-II: Analog And Digital Signal Processing 43 3 (1996) 157-192
12. Arce G.R. A general weighted median filter structure admitting negative weights. IEEE Transactions on Signal Processing 46 (1998) 3195-3205
13. D. Dey, B. Chatterjee, S. Chakravorti, S. Munshi, Uncertainty analysis of filtered output in real-time noisy data acquisition: a case study, in: Proceedings of International Conference on Advances in Metrology (ADMET06), New Delhi, 11-13 December, 2006.
14. G. Frimpong, U. Gafvert, J. Fuhr, Measurement and modeling of dielectric response of composite oil/paper insulation, in: Proceedings of 5th International Conference Properties and Applications of Dielectric Materials, vol. 1, 1997, pp. 86-89.
15. K. Zalis, Expert systems - a tool for the evaluation of the state of high-voltage machine insulation, in: Proceedings of 6th International Conference Optimization of Electrical and Electronic Equipments, vol. 1, 1998, pp. 185-190.
16. Saha T.K., and Purkait P. Investigation of an expert system for the condition assessment of transformer insulation based on dielectric response measurements. IEEE Transactions on Power Delivery 19 3 (2004) 1127-1134