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author:

Zhao, Long (Zhao, Long.) [1] | Zhou, Yuhao (Zhou, Yuhao.) [2] | Chen, Kun-Long (Chen, Kun-Long.) [3] | Rau, Shiuan-Hau (Rau, Shiuan-Hau.) [4] | Lee, Wei-Jen (Lee, Wei-Jen.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

Unlike short circuit faults in power systems, arcing faults produce intense light during fault events. Light-sensing technology has been under development to detect arc faults since the 1980s. Currently, optical fiber and point sensors are two types of light sensors applied, along with the simultaneous overcurrent mechanism, for arc-flash relays. Due to the characteristics of light sensors, sensitivity and reliability of the relay may be affected by ambient light. This article proposes a new approach for arc-flash fault detection by using the spectrum of light. Electromagnetic radiation means different elements would emit spectra with unique wavelengths when their atoms are excited. Elements can then be identified if a specific emission spectrum is detected during the excitation period. In general, copper and aluminum are commonly used for conductors. By examining the light spectrum, arc flash can be accurately and quickly detected. In this study, copper and aluminum are applied as conductors. The light spectrum for both materials is measured and recorded by an optic spectrometer during the arcing incidents. The results show that accuracy and reliability of the lightbased arc-flash fault-detection operation can be improved by using the proposed method.

Keyword:

Aluminum Arc discharges Conductors Copper Optical fiber sensors Solids

Community:

  • [ 1 ] [Zhao, Long]Univ Texas Arlington, Arlington, TX 76019 USA
  • [ 2 ] [Zhou, Yuhao]Univ Texas Arlington, Arlington, TX 76019 USA
  • [ 3 ] [Lee, Wei-Jen]Univ Texas Arlington, Arlington, TX 76019 USA
  • [ 4 ] [Chen, Kun-Long]Fuzhou Univ, Fuzhou, Peoples R China
  • [ 5 ] [Rau, Shiuan-Hau]Shermco Ind Inc, Irving, TX USA

Reprint 's Address:

  • [Zhao, Long]Univ Texas Arlington, Arlington, TX 76019 USA

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Source :

IEEE INDUSTRY APPLICATIONS MAGAZINE

ISSN: 1077-2618

Year: 2020

Issue: 3

Volume: 26

Page: 29-36

0 . 6 7 1

JCR@2020

0 . 7 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:132

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 24

SCOPUS Cited Count: 32

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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