Sensitive online PD-measurements of onsite oil/paper-insulated devices by means of optimized Acoustic Emission Techniques (AET)

IEEE Transactions on Power Delivery

Volumn 20, Issue 1, 2005, Pages 158-162

  Grossmann, Ekard ^a,b   Feser, Kurt ^a  

^a UNIVERSITY OF STUTTGART   (Germany)

^b ROBERT BOSCH GMBH   (Germany)

Author keywords

Acoustic measurements; Partial discharges; Signal processing; Transformers

Indexed keywords

ACOUSTIC EMISSIONS; ACOUSTIC SIGNAL PROCESSING; ALGORITHMS; DIGITAL FILTERS; ELECTRIC CORONA; FAST FOURIER TRANSFORMS; OPTIMIZATION; PARTIAL DISCHARGES; SENSITIVITY ANALYSIS;

ACOUSTIC EMISSION TECHNIQUES; ACOUSTIC MEASUREMENTS; PARTIAL DISCHARGE MEASUREMENT;

ELECTRIC TRANSFORMERS;

EID: 12544252604     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2004.835288     Document Type: Article

References (9)

1. E. Grossmann, "Akustische Teilentladungsmessung zur Ü berwachung und Diagnose von Öl/Papier-isolierten Hochspannungsgeräten," Ph.D. dissertation, Univ. Stuttgart - IEH, Stuttgart, Germany, 2002.
2. M. D. Judd, O. Farish, J. S. Pearson, T. Breckenridge, and B. M. Pryor, "Power transformer monitoring using UHF sensors: Installing and testing," in Proc. ISEI IEEE Int. Symp. Electrical Insulation, Apr. 2000.
3. E. Grossmann, K. Feser, M. Lauersdorf, and T. Grun, "Improvement of sensitivity in online pd-measurements on transformers by digital filtering," in Proc. Int. Symp. High-Voltage Engineering, London, U.K., Aug. 1999.
4. M. Lauersdorf, "Verfahren zur Unterdrückung von Koronastö rern bei Teilentladungsmessungen an Transformatoren vor Ort," Ph.D. dissertation, Univ. Stuttgart, Stuttgart, Germany, 1997.
5. M.J. Lee and J. K. Nelson, "Flow-induced electrification and partial discharge measurement in transformer duct structures," IEEE Trans. Electr. Insul., vol. 26, no. 4, pp. 739-748, Aug. 1991.
6. M. Hartje, "Erfassung von Teilentladungen an Leistungstranformatoren im Netzbetrieb,", Univ. Hannover, Germany, 1990.
7. L. E. Lundgaard and W. Hansen, "Location of discharges in power transformers using external acoustic sensors," in Proc. 6th Int. Symp. High Voltage Engineering, 1989, Paper no. 15.05.
8. E. F. Kelley, M. Nehmadi, R. E. Hebner, M. O. Pace, A. L. Wintenberg, T. V. Blalock, and J. V. Foust, "Measurement of partial discharge in hexane under dc voltage," IEEE Trans. Dielectr. Electr. Insul., vol. 24, no. 6, pp. 1109-1119, Dec. 1989.
9. H. Nieschwitz, "Ortung von teilentladungen in transformatoren," in Proc. 50. VDE-Seminar, 1982.