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IEEJ Transactions on Electrical and Electronic Engineering, Volume 9, Issue 6, pages 577–580, 2014.
Saytaro Kon * , Tatsuji Yamada.
National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Umezono1-1-1, Tsukuba, Ibaraki, Japan.
Abstract
An AC shunt calibration system using a current-bridge method is developed, and its measurement uncertainties are estimated. A comparison of the calibration results obtained using the current-bridge method with the results using DC resistance and AC–DC difference methods was performed to verify the system. These comparison results show that the current-bridge-based system performs well with small measurement uncertainties for both the AC resistance and phase angle of the AC shunts up to 1 kHz.
© 2014 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
