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In-situ calibration of voltage transformers on the Swedish national grid
RISE, SP – Sveriges Tekniska Forskningsinstitut.
1996 (English)In: IEE Conference Publication, 1996, no 426, p. 227-239Conference paper, Published paper (Refereed)
Abstract [en]

The Swedish voltage transformer calibration system is based on the use of a very accurate multi-ratio inductive voltage transformer rated for the full dielectric requirements on the 400 kV grid. The output voltage from the voltage transformer under test is compared to the output from the reference transformer in an automatic bridge circuit. A computer is used to read the data from the bridge and to prepare the calibration certificate. A six decade precision inductive voltage transformer, an inductive voltage divider, can be employed as a ratio matching element.

Place, publisher, year, edition, pages
1996. no 426, p. 227-239
Keywords [en]
Busbars, Calibration, Computers, Electric measuring instruments, Electric power factor, Electric power systems, Instrument errors, Instrument testing, Performance, Capacitor voltage transformers, In situ calibration, Reference transformer, Voltage transformers, Electric transformers
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-32487DOI: 10.1049/cp:19960512Scopus ID: 2-s2.0-0029716762OAI: oai:DiVA.org:ri-32487DiVA, id: diva2:1154721
Conference
Proceedings of the 1996 8th International Conference on Metering and Tariffs for Energy Supply, 3 July 1996 through 5 July 1996, Brighton, UK
Available from: 2017-11-03 Created: 2017-11-03 Last updated: 2018-03-07Bibliographically approved

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Citation style
  • apa
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