MATEC Web Conf.
Volume 171, 2018The First International Conference on Energy, Power, Petroleum and Petrochemical Engineering (E3PE 2017)
|Number of page(s)||5|
|Section||Chapter 2: Energy Management Systems|
|Published online||04 June 2018|
Hidden High Voltage Safety Risks for Parallel High Voltage Transmission Lines
1 School of Computing, Engineering & Mathematics Western Sydney University, Penrith Australia
2 LaRGES, CRSI, Faculty of Engineering Lebanese University, Tripoli, Lebanon
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High voltage (HV) infrastructures market is growing due to the corresponding growth in industries and population. To ensure continuous and reliable electrical power supply, existing substation and transmission lines are being upgraded to accommodate the additional load requirements. These upgrades involve up-rating the existing transmission lines or the installation of new lines. To save on easement cost and reduce the environmental impacts, transmission lines are occupied the same easement or path. This parallel option introduces the risk of induced voltage which could reach an unsafe condition and jeopardize the safety of works and people. This paper analysis and highlight the hidden risk associated with two parallel transmission lines that connected the same high voltage substation. The theoretical study which is supported by the case study shows the high risk potential tempering with the OHEW on the isolated circuit while the other one is still energized
Key words: Earth Potential Rise / Fault Current / High Voltage Transmission / Induced Voltage
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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