M. H. Shwehdia, F. S. AL-Ismaila, A. A. AL-Nuaimb
a
galvanizing Engineering, King Fahd University of Petroleum b Saudi-Arabian Electricity Company, Dammam, Saudi Arabia
AbstractThis paper is a step forward to ask the caloric effect of underground subscriber lines. It is to experiment the circumstances that actuates the real cable and to find out what are the most effecting factors heats up and causes thermal stress in the cable. This paper will give design information about the underground cables. In addition, it will tittle-tattle about the soil effects. Finally, it discusses the whole experimental issues about this interrogation and study. The paper covers a sufficient background about small(a) voltage underground cables. Many other related factors that affect underground cables were briefly discussed such as soil resistively, insularism material and manufacturing problems. An experiment setup was developed and model was fabricated. twain different low voltage cables were then tried utilize this setup. Low voltage cables were tested under day and dark conditions and under different current values up to the tested cables ampacities.
Many investigation cases were executed during the summer season of 2008 (July August) indicating the highest fervid season in Saudi Arabia. Current was changed from 100-300 amperes in clock steps of 30 minutes which indicates the approximate loading musical rhythm of the cables.
Fig. 1 Underground Distribution System II. Description of the image In this paper, a full-size experimental setup was constructed and instrumented to investigate and monitor the effect of thermal parameters on determining the thermal expression of underground power cables. Determination of the thermal behavior of an underground power cable plays an important role in the design and manufacturing processes of the cables, as the heat generated inside the cable may lead to cable breakdown. The heat generated by losses in...If you trust to get a full essay, order it on our website: Orderessay
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