The Measurement of Electromagnetic Wave in Power Cable Tunnel of Underground Utility Tunnel 


Vol. 34,  No. 1, pp. 1-7, Feb.  2019
10.14346/JKOSOS.2019.34.1.1


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  Abstract

Electromagnetic measurements of the power cable tunnel were conducted from August 10 to 20, 2018, in the OO city underground utility tunnel. During this period, the average temperature was 31.89℃ and the humidity was 67.56% in power cable tunnel. As a result of the electromagnetic measurement, the highest electric field was 25.3 V/m and the magnetic flux density was 42.6 μT. The average electric field was 18.56 V/m and the magnetic flux density was 29.32 μT in the power cable tunnel. As a result of comparison with the electric equipment technical standard, the electric field in the power cable tunnel was 0.5% of the electric equipment standard and 35.2% of the magnetic flux density. It’s similar value that electric field is about robotic vacuum(15.53 V/m), and magnetic flux density is similar value about capsule- type coffee machine (23.07 μT). The number of cable lines and the size of the electromagnetic waves were not proportional to each other through comparison of cable lines in the power cable tunnel. It was confirmed that 154 kV, rather than 22.9 kV, could have a greater influence on occupational.

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  Cite this article

[IEEE Style]

강대곤 and 박재학, "The Measurement of Electromagnetic Wave in Power Cable Tunnel of Underground Utility Tunnel," Journal of the Korean Society of Safety, vol. 34, no. 1, pp. 1-7, 2019. DOI: 10.14346/JKOSOS.2019.34.1.1.

[ACM Style]

강대곤 and 박재학. 2019. The Measurement of Electromagnetic Wave in Power Cable Tunnel of Underground Utility Tunnel. Journal of the Korean Society of Safety, 34, 1, (2019), 1-7. DOI: 10.14346/JKOSOS.2019.34.1.1.

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