E3S Web Conf.
Volume 127, 2019X Anniversary International Conference “Solar-Terrestrial Relations and Physics of Earthquake Precursors”
|Number of page(s)||5|
|Section||Geophysical Fields and their Interactions|
|Published online||05 November 2019|
Diagnostics of geomagnetically-induced currents in high-tension electric transmission lines
1 Institute of Cosmophysical Research and Radio Wave Propagation FEB RAS, Russia
2 Kamchatka State Technical University, Russia
* Corresponding author: email@example.com
The problem of geomagnetically-induced currents (GIC) effect on electrotechnical systems is topical as long as uninterrupted power distribution is critically important for all the spheres of human activity. Our investigations showed the possibility of GIC diagnostics based on the estimates of industrial current higher harmonics and showed that even harmonics correlate with the Earth magnetic field changes in a greater degree. However, the measurements carried out in 220 V network showed low and not always univocal correlation of the processes. Thus, we propose a technique for diagnostics of geomagnetically-induced currents in high-tension electric transmission lines**.
© The Authors, published by EDP Sciences, 2019
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.
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