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Middle East Energy
Photo Credit : Pfisterer
PFISTERER’s new dry outdoor cable termination takes only minutes to install
PFISTERER's new dry insulated outdoor termination DOC is environmentally‐ friendly and can be installed in only a few minutes.
OLID-INSULATED AND LIGHTER than conventional oil or gasfilled terminations, dry outdoor cable terminations by PFISTERER, have been used worldwide for decades. Their silicone solid insulation ensures environmental and operational safety as well as durability in use, in substations and on overhead lines, sustainable and with no risk of leakage. With the new dry outdoor composite (DOC) termination, PFISTERER is presenting the first selfsupporting, dry insulated version up to 170 kV at the Middle Eastern Energy 2022 in Dubai. Quickly installed and reliable in maintenancefree longterm use, it connects cable systems to overhead lines and busbars.
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Completely preassembled and pretested The DOC central unit, comprising a hollow insulator, stress grading device and base plate, is delivered to the site fully preassembled and routine tested. Testing under IEC 60840 section 9 is carried out on the whole central unit. The DOC meets all criteria of the highest pollution class
The DOC is suitable for areas with high levels of dust, including desert environment. according to IEC 608153. It is therefore suitable for areas with high levels of dust, including desert environment.
Fitted in minutes The modular design of the DOC simplifies handling across the board during transportation and installation. At the same time, it reduces the installation time from hours to a few minutes. Since the central unit is fully preassembled, it simply pushes onto the cable – the number of elements to be fitted is minimised, timeconsuming gluing work and drying phases are eliminated entirely. Thanks to the silicone solid insulation, no oil or gas work is required on site. The conductor is connected
Technical Review Middle East - Issue Two 2022
quickly and securely using screw technology, without any hydraulic pressing tools.
Energie Steiermark uses DOC in maintenancefree operation Energie Steiermark, power utility and grid operator in Austria, Slovakia, the Czech Republic and Slovenia, quickly recognised the advantages of the DOC and used the solution by PFISTERER for newly planned terminations in a substation in Graz. Maintenancefree operation of the dry terminations means less monitoring is required. In addition, the environmentally safe technology fulfills the company’s vision for a safe and sustainable life. Founded in 1921, PFISTERER is one of the world’s leading independent specialists and system suppliers for energy infrastructure – with a complete range of cable accessories, overhead line technology and components along the entire transmission chain from power generation to consumption. PFISTERER connects the power grids of today and tomorrow and makes an important contribution to a sustainable and secure energy supply. ■ www.technicalreview.me
