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Abstrakty
The impact of electric charge, gathered in a tested specimen before a testing voltage has been applied to it, on the results of measurement of its volume resistivity is considered. It was shown that the specimen should be discharged before the measurement. The alternating polarity test method, employed by Keithley's 6517 Hi-R Test program, does not eliminate completely the effect of electric charge. A modification of the method, enabling the elimination from the measurement results of the electric charge which could be the reason of de-electrization current flow (background current) and resorption current, has been proposed.
Czasopismo
Rocznik
Tom
Strony
403--413
Opis fizyczny
Bibliogr. 13 poz., rys., wykr.
Twórcy
autor
- Wroclaw University of Technology, Institute of Electrical Engineering and Technology Fundamentals, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland, michal.lisowski@pwr.wroc.pl
Bibliografia
- [1] IEC 60093:1980 Methods of Test for Volume Resistivity and Surface Resistivity of Solid Electrical Insulating Materials.
- [2] ASTM D 257-99 Standard Test Methods for DC Resistance or Conductance of Insulating Materials.
- [3] PN-E-04405:1988 Solid Insulating Materials. Measurements of the Electrical Resistance. (in Polish)
- [4] M. Lisowski: Measurements of Electrical Resistivity and Permittivity of Solid Dielectrics. Wroclaw University of Technology Press, Wrocław, 2004. (in Polish)
- [5] M. Lisowski: “Equivalent model of capacitor with dielectric in its electric circuit”. Proceedings APTADM’2004 Conference, Scientific Papers of the Institute of Electrical Engineering Fundamentals of the Wroclaw University of Technology, Conf. 14, no. 40, Wroclaw 2004, pp. 229-232.
- [6] Z. Celiński: Electrotechnical Materials Science. Warsaw University Prees, Warsaw, 1998. (in Polish)
- [7] M. Lisowski: “Issues of volume resistivity measurement of solid dielectrics and evaluation of uncertainty of results by approximate method at a confidence level of 0.95”. Metrol Meas Syst, vol. 16, no. 2, 2009, pp. 233-248.
- [8] Z. Siciński: Investigation of Electrotechnical Materials. WNT Press, Warsaw, 1968. (in Polish)
- [9] A. Daire: “Improving the Repeatability of Ultra-High Resistance and Resistivity Measurements”. White Paper, Keithley Instruments, Inc. 2001. Online: http://www.keithley.com/.
- [10]Keithley Instruments, Inc., Model 6524 High Resistance Measurement Software. User’s Manual, Document no. 6524-900-01 Rev. C / March 2007.
- [11]J.S. Chang, A.J. Kelly, J.M. Crowley et al.: Handbook of Electrostatic Processes. Marcel Dekker, Inc., New York, Basel, Hong Kong, 1995.
- [12]D.K. Das-Gupta: “Electrical properties of surfaces of polymeric insulators”. IEEE Trans. Electr. Insul., vol. 27, 1992, pp. 909-923.
- [13]M. Lisowski, R. Kacprzyk, E. Motyl, P. Gałęzki: “Space charge influence on the results of volume resistivity measurements in solid dielectrics”. Proceedings, XVII IMEKO World Congress Metrology in the 3rd Millennium, 2003, Dubrovnik, Croatia, pp. 837-840.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BSW1-0059-0006