Spatial Resolution between Two Abnormalities in a Cable by Frequency Domain Reflectometry

研究成果: Article査読

抄録

The spatial resolution of a cable fault location method by frequency domain reflectometry was examined experimentally by giving two abnormalities intentionally along a 31.5-m coaxial cable. As a result, two clear signal peaks appear, which can locate the presence of two hot spots perfectly if they are separated by more than 30 cm at a position about 15 m from the cable end with a measuring device. In addition, a clear signal peak with a small shoulder is recognized if the two hot spots are 1 cm away. Although the abnormalities were given in this research by heating the cable using tape heaters, the spatial resolution should be theoretically similar for any type of fault in a cable as long as it changes the characteristic impedance of the cable.

本文言語English
ページ(範囲)822-826
ページ数5
ジャーナルIEEJ Transactions on Electrical and Electronic Engineering
16
6
DOI
出版ステータスPublished - 2021 6

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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