Focus on Cable Accessories
February 25, 2017 •
ARTICLE ARCHIVE, Focus on Cable Accessories •
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Over the years, three different installation technologies and three different insulation materials have become widely accepted in the cable accessory business. In regard to functionality and service life, the requirements for such accessories are similar to those placed on the cable itself. At the same time, it should also be noted that installation...
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February 18, 2017 •
ARTICLE ARCHIVE, Editorial Columns, Focus on Cable Accessories
Since the introduction of different cable connector systems, the sub-classification of what are commonly referred to as ‘cable accessories’ into joints and terminations no longer seems appropriate. More and more, medium and high voltage cables are being...
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October 31, 2015 •
ARTICLE ARCHIVE, Editorial Columns, Focus on Cable Accessories
When it comes to medium voltage cables, the past 40 years have witnessed great diversification in design and composition. Indeed, in Europe alone, the number of different products on the market now exceeds 100. This extreme diversification within the MV range...
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October 24, 2015 •
ARTICLE ARCHIVE, Editorial Columns, Focus on Cable Accessories
There are only marginal differences when it comes to conductor and insulation design for most modern extra high voltage cables worldwide. The conductor typically consists either of aluminium or, for higher ampacity, mainly copper. To reduce the influence of...
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July 4, 2015 •
ARTICLE ARCHIVE, Editorial Columns, Focus on Cable Accessories
The future development of cable accessories is being influenced mainly by the continuing technological shift from paper to polymeric-insulated cables. Moreover, the impact of this shift is not the same for AC as it is for DC. At the present, the large...
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December 28, 2014 •
ARTICLE ARCHIVE, Focus on Cable Accessories
Although a number of alternative solutions have been developed for the design of joints on modern XLPE insulated high voltage and extra high voltage cables, the future trend worldwide now seems increasingly clear. Basically, a joint connects two end sections...
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July 10, 2014 •
ARTICLE ARCHIVE, Editorial Columns, Focus on Cable Accessories
Not that long ago I visited a power utility where they are facing outages caused by de-capping of porcelain insulator strings – a process whereby the porcelain body separates from the insulator head. The principal mode of failure in this case is insulator...
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October 15, 2013 •
ARTICLE ARCHIVE, Editorial Columns, Focus on Cable Accessories
As quality of service become ever more important, regulatory authorities in Europe are introducing a ‘bonus-penalty’ type system to push electricity supply utilities to improve their network reliability. However, as is evident from Fig. 1, between 70...
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