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Cable Accessories

Material & Design Requirements for MV Cable Accessories

July 14, 2018 • ARTICLE ARCHIVE, Cable AccessoriesComments (0)

Cable accessories perform the key function of ensuring required insulation either at the connection points of cables (straight joints) or at their ends (terminations). These accessories have to be easy and safe to install over a broad range of different cable cross-sections and ideally should consist of as few components as possible. Since the start ...

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Transition Joints Serve Growing Role

July 7, 2018 • ARTICLE ARCHIVE, Cable Accessories

The population of installed paper-insulated cables at low and medium voltages is estimated to still represent over half of the underground networks in many countries. However, these days, virtually 100 percent of new cable installations are polymeric type....

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Silicones & Cable Accessories

June 22, 2018 • ARTICLE ARCHIVE, Cable Accessories

The recent INMR WORLD CONGRESS in Barcelona-Sitges offered a session dedicated to cable accessories. Expert presenters exchanged views about general technical trends in the industry but also about specific topics related to medium and high voltage cable...

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Condition Assessment of High Voltage Cable Terminations

June 16, 2018 • ARTICLE ARCHIVE, Cable Accessories

Condition assessment of power transmission devices such cable systems is essential for their reliable operation. For example, diagnostics of oil-filled cables is important for transmission system operators to provide an indication of remaining lifetime. This...

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Dry Type Cable Terminations up to 170 kV

May 26, 2018 • ARTICLE ARCHIVE, Cable Accessories

The traditional design of most outdoor cable terminations at the higher voltages has been based on a hollow core insulator made from either porcelain or a composite tube covered by silicone sheds. The insulators in both cases are equipped with a field control...

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Sheath Voltage Limiters Protect HV Power Cables

May 5, 2018 • Arresters, ARTICLE ARCHIVE, Cable Accessories

Over the past decade, demand for longer lines and higher current capacities for HV power cables has required new methods of loss prevention. At the same time, ensuring high reliability of these lines is progressively more important. Together, these...

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New Joint Design Aims at Reducing Underground HV Cable Costs

March 17, 2018 • ARTICLE ARCHIVE, Cable Accessories

Increasing power demand in urban areas combined with the goal of evergreater system reliability mean that many utilities will need to add new underground cable transmission. The challenge will be how to build such lines in the most cost-effective manner while...

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Design Innovations in MV Cable Joints

March 10, 2018 • ARTICLE ARCHIVE, Cable Accessories

Recent years have seen different manufacturers introduce interesting design innovations when it comes to straight joints for medium voltage cables. In most cases, the principal advantage of these innovations – all more or less in a single joint – is...

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