Simulation and Measurement of Medium-Frequency Signals Coupling from a Line to a Loop Antenna

Nicholas W. Damiano, Jingcheng Li, Chenming Zhou, Donovan E. Brocker, Yifeng Qin, Douglas H. Werner, Pingjuan L. Werner

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The underground-mining environment can affect radio-signal propagation in various ways. Understanding these effects is especially critical in evaluating communications systems used during normal mining operations and during mine emergencies. One of these types of communications systems relies on medium-frequency (MF) radio frequencies. This paper presents the simulation and measurement results of recent National Institute for Occupational Safety and Health (NIOSH) research aimed at investigating MF coupling between a transmission line (TL) and a loop antenna in an underground coal mine. Two different types of measurements were completed: 1) line-current distribution and 2) line-to-antenna coupling. Measurements were taken underground in an experimental coal mine and on a specially designed surface test area. The results of these tests are characterized by current along a TL and voltage induced in the loop from a line. This paper concludes with a discussion of issues for MF TLs. These include electromagnetic fields at the ends of the TL, connection of the ends of the TL, the effect of other conductors underground, and the proximity of coal or earth. These results could help operators by providing examples of these challenges that may be experienced underground and a method by which to measure voltage induced by a line.

Original languageEnglish (US)
Article number7422061
Pages (from-to)3527-3534
Number of pages8
JournalIEEE Transactions on Industry Applications
Volume52
Issue number4
DOIs
StatePublished - Jul 1 2016

Fingerprint

Loop antennas
Electric lines
Coal mines
Communication systems
Electric potential
Electromagnetic fields
Earth (planet)
Coal
Health
Antennas

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

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Simulation and Measurement of Medium-Frequency Signals Coupling from a Line to a Loop Antenna. / Damiano, Nicholas W.; Li, Jingcheng; Zhou, Chenming; Brocker, Donovan E.; Qin, Yifeng; Werner, Douglas H.; Werner, Pingjuan L.

In: IEEE Transactions on Industry Applications, Vol. 52, No. 4, 7422061, 01.07.2016, p. 3527-3534.

Research output: Contribution to journalArticle

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