| Issue |
MATEC Web Conf.
Volume 141, 2017
The Fifth International Youth Forum “Smart Grids 2017”
|
|
|---|---|---|
| Article Number | 01012 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/201714101012 | |
| Published online | 12 December 2017 | |
Heat-transfer, inside of the ground heat-transfer units, from liquid, additionally cooling the oil-immersed transformer
1
Kazan National Research Technological University, 420016 Kazan, Russia
2
Kazan State Power Engineering University, 420066 Kazan, Russia
* Corresponding author: ilnyr_91@mail.ru
A device for cooling the oil-immersed transformer by means of thermoelectric transducers has been developed. Their operating principle is based on the fact that at night at minimum ambient temperature, the cold is accumulated inside of a vessel due to formation of water ice layer on the developed surfaces of thermoelectric transducers` ribs. Melting of this layer is used in the hottest time of a day for additional cooling of transformer oil in the cooling system of the transformer. Pre-cooling of the circulating water takes place in vertical ground heat-transfer units (VGHT units), mounted into ground drilled boreholes. Certain estimate calculations of the heat-transfer process have been carried out.
© The Authors, published by EDP Sciences, 2017
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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