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Open AccessArticle

Design of Power Cable Lines Partially Exposed to Direct Solar Radiation—Special Aspects

1
Faculty of Electrical and Control Engineering, Gdańsk University of Technology, Narutowicza 11/12, PL-80-233 Gdańsk, Poland
2
Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, PL-80-231 Gdańsk, Poland
*
Author to whom correspondence should be addressed.
Energies 2020, 13(10), 2650; https://doi.org/10.3390/en13102650
Received: 18 February 2020 / Revised: 10 May 2020 / Accepted: 21 May 2020 / Published: 22 May 2020
(This article belongs to the Special Issue Design and Testing of Power Cable System)
Power cable lines are usually buried in the ground. However, in some cases, their ending sections are mounted along the supports of overhead lines. This leads to a situation where the cables are exposed to direct solar radiation and, consequentially, overheat. The paper presents the advanced computer modelling of power cables’ heating, considering their insolation as well as the effect of wind. The temperature and current-carrying capacity of power cables—during exposure to direct solar radiation—are evaluated. An effective method of limiting the unfavourable impact of the sun is discussed. In the presence of solar radiation, the proposed method enables a significant increase in the power cables current-carrying capacity. View Full-Text
Keywords: power cables design; current-carrying capacity; thermal effects; numerical simulation power cables design; current-carrying capacity; thermal effects; numerical simulation
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Czapp, S.; Szultka, S.; Tomaszewski, A. Design of Power Cable Lines Partially Exposed to Direct Solar Radiation—Special Aspects. Energies 2020, 13, 2650.

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