Analysis of Time Constant of Calculable AC/DC Resistors for the Phase Angle Standard

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概要

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• The purpose of this work is to investigate the possibility of using calculable ac/dc resistors as a standard of phase angle $\theta$ ($=\omega\tau$) within an accuracy of a few ppm level at $\omega=10^{4}$ rad/s. For this purpose, the time constant $\tau$ of the bifilar type calculable ac/dc resistor has been analyzed in detail. The results of calculations show that the geometrical and electrical conditions under which the time constant of the bifilar type resistor becomes zero ($\tau=0$) can be obtained within the proper dimension. In this paper, the optimum parameters of the geometrical and electrical conditions which enable the use of calculable ac/dc resistors as a phase angle standard are presented.

• 2003-08-15

著者

• Fujiki Hiroyuki

  National Institute Of Advanced Industrial Science And Technology

• Nakamura Yasuhiro

  National Metrology Institute Of Japan (nmij) National Institute Of Advanced Industrial Science And Technology (aist)

• Domae Atushi

  National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba-shi Ibaraki 305-8568, Japan

• Domae Atsushi

  National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba-shi Ibaraki 305-8568, Japan

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