Title :
Verification and uncertainty evaluation of an ac shunt calibration system at power frequencies
Author :
Kon, Saytaro ; Yamada, Tatsuji ; Tadokoro, Takuya
Author_Institution :
Nat. Metrol. Inst. of Japan (NMIJ), AIST, Tsukuba, Japan
Abstract :
An ac shunt calibration system has been developed at NMIJ. The calibration results were discussed with dc calibration results and the expanded uncertainties (k=2) of the system have been estimated to be less than 3.4 μ Ω/Ω for ac resistance and 8.6 μrad for phase angle.
Keywords :
calibration; NMIJ; ac shunt calibration system; power frequencies; verification-uncertainty evaluation; Amplifiers; Calibration; Carbon capture and storage; Current transformers; Electrical resistance measurement; Frequency; Phase estimation; Resistors; Shunt (electrical); Uncertainty;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM), 2010 Conference on
Conference_Location :
Daejeon
Print_ISBN :
978-1-4244-6795-2
DOI :
10.1109/CPEM.2010.5543797
