Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day, about why end termination kits are required, is answered by Prysmian:
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Question: With regard to medium voltage (MV) cable, we normally use an end termination kit for the termination in a motor/transformer/feeder. But why it is necessary to use such an end termination kit? What are the purposes of such a kit?
Answer: The reason is as follows - so that the cable can be installed on to the equipment (e.g. transformer), the distance between the conductor and the semi-conducting screen must be increased, to prevent it from flashing over. The high stress at the end of the semi-conducting screen must be controlled to prevent electrical failure of the cable in this region.
A termination is a device that controls the stress and prevents tracking over the surface of the insulation.
To see many more Q & A in Voltimum UK's Experts Area, please click on the link: www.voltimum.co.uk/consult.php?universe=consult.index.questions
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