KRISS-NRC intercomparisons of calibration systems for instrument transformers with many different ratios at power frequency

Author

Jung, Jae Kap ; So, Eddy ; Park, Young Tae ; Kim, Myungsoo

Author_Institution

Korea Res. Inst. of Stand. & Sci., Daejeon, South Korea

fYear

2008

fDate

8-13 June 2008

Firstpage

82

Lastpage

83

Abstract

An intercomparison of calibration systems for instrument transformers between Korea Research Institute of Standards and Science (KRISS) and National Research Council of Canada (NRC) with many different ratios at 60 Hz was performed using six portable transfer standards consisting of two current transformers (CTs) with current ratios of 5 A/5 A up to 20,000 A/5 A and four voltage transformers (VTs) with voltage ratios of 110 V/110 V up to 66,000 V/110 V. The comparison results for the instrument transformers calibration systems between the two institutes are in good agreement within the corresponding expanded uncertainties for all current and voltage ratios.

Keywords

calibration; current transformers; instrument transformers; measurement uncertainty; portable instruments; power measurement; transfer standards; KRISS; Korea Research Institute of Standards and Science; NRC; National Research Council of Canada; current 20000 A; current 5 A; current transformer; frequency 60 Hz; instrument transformer; measurement uncertainties; portable transfer standard; power measurement; transformer calibration system; voltage 110 V; voltage 66000 V; voltage transformer; Calibration; Capacitors; Councils; Current measurement; Current transformers; Displacement measurement; Frequency; Instrument transformers; Low voltage; System testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on

Conference_Location

Broomfield, CO

Print_ISBN

978-1-4244-2399-6

Electronic_ISBN

978-1-4244-2400-9

Type

conf

DOI

10.1109/CPEM.2008.4574663

Filename

4574663