| Zugriffsnummer | 13802 |
| Dokumenttyp | Konferenzartikel in Zeitschrift |
| Sprache | Englisch |
| Titel | NRC-PTB intercomparison of voltage transformer calibration systems for high voltage at 60 Hz, 50 Hz and 16.66 Hz |
| Autor(in); Institution |
So, Eddy; Institute for National Measurement Standards, National Research Council Canada, Ottawa, CANADA
Latzel, Hans-Georg; 2.31, Messwandler und Hochspannungstechnik, PTB-Braunschweig
|
| Quelle/Jahr | IEEE Transactions on Instrumentation and Measurement: 50 (2001), 2, 419 - 421 |
| ISSN | 0018-9456 |
| Verlag | New York, NY: IEEE |
| Konferenzangaben | 22nd Conference on Precision Electromagnetic Measurements ; CPEM 2000, Sydney, 14-19, May, 2000, Australia |
| Freie Schlagworte | High voltage ; Intercomparison ; Voltage transformer calibration |
| Zusammenfassung | An intercomparison of voltage transformer (VT) calibration systems was performed at the Physikalisch-Technische Bundesanstalt (PTB) high-voltage laboratory. A "portable" current comparator-based VT calibration system of the National Research Council (NCR) was compared with PTBs voltage-divider-based system, using a reference multiradio inductive VT as a transfer standard with voltage ratios of (110/2 kV)/(100/2 kV) up to (400/√3 kV)/(100/√3 V) at frequencies of 16.66 Hz, 50 Hz, and 60 Hz. At frequencies of 50 Hz and 60 Hz with a resistive burden of 10 kΩ and test voltages of 20% up to 120% of rated voltage, the test results of the two different methods at all ratios were found to differ by no more than 15 parts in 106 for the voltage ratio and 30 μrad for the phase displacement. For the ratio (110/2 kV)/(100/2 V) at 16.66 Hz, the results agreed within 15 parts in 106 for the voltage ratio and 50 μrad for the phase displacement. |
