High voltage cable accessories 72 kV up to 245 kV

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Silicone rubber is a preferred material for cable accessoriesdue to its excellent mechanical and electrical properties.For more than 40 years silicone has been used successfullyas high-quality electrical insulation for voltages upto 400 kV. Silicone rubber features high quality electricalinsulation, superior corona and tracking resistance,combined with high elasticity. It facilitates multi rangeapplication, where one silicone rubber body can beused for various conductor cross sections. Optimalflexibility ensures easy assembly of the accessories.

Vydal: nkt cables s.r.o. Autor: nkt cables

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..13 Page 1 Dry type plug-in GIS transformer termination KSEV/KTEV 72-145 All versions dry-type termination are designed for installation in SF6 gas insulated switchgear (GIS) for installation the oil filled cable box the transformer.5 L1, 582±0.5 D2 mm 300 350 Ø110 D1 D2 L1 L2 ~304 Ø110 D1 D2 L1 L2 ~304 Transformer KTEVGIS KSEV Page 1 Dry type plug-in GIS transformer termination KSEV/KTEV 123-300 The new version dry-type plug-in termination designed for the voltage level 300 and the biggest conductor cross-section up 2500 mm2 .2500 .74,0 38,5. mm ......5 620±2 620±2 L2 mm 757±0.... mm 38,5. • Plug-in part comprising four components (stress cone made of silicone rubber, cable gland, connection bolt, spring loaded compression device) • Insulator according with IEC 62271-209 for GIS and DIN EN 50299 for transformer termination • Conductor connection bolt designed mechanical screw type connector • Type test certificate accordance with IEC 60840 available • Dead-end plug available (see page 16) Operation voltage Um (kV) 72,5 123.1200 Diameter over prepared cable core min.5 Connection type Screw/Press S S Diameter over sheath max.....5 960±2 960±2 D2 mm 350 L1, 350 L2 500 L1, 620 L2 500 L1, 620 L2 Ø110 D1 D2 L1 L2 ~304 Ø110 D1 D2 L1 L2 ~304 Transformer KTEVGIS KSEV .. mm ..5 L2 475±0..99 .5 L2 475±0.170 245 245...5 470±0..300 Type KSEV/KTEV size 6 KSEV/KTEV size 6 KSEV/KTEV size 9 Conductor Cu/Al max. With this large application range the termination still fulfils the dimensions according the IEC standards.135 ... The termination also applicable the 145 voltage level with conductor cross section above 1200 mm2 .99 L1 mm 310±0. mm2 .... The complete termination consists of epoxy resin insulator with embedded electrode, fixing ring which is fitting the cable, comprising metal cable gland, compression device and premoulded plug-in stress cone for electrical field control..5 757±0.97,0 81,0..5 L2 Connection type Screw/Press S/P S/P S/P Diameter over sheath max.-max.145 Type KSEV 72/KTEV size 2 KSEV 145/KTEV 145 size 4 Conductor Cu/Al max.135 .5 L2 mm 583±0.1000 .5 L1, 582±0.. mm 47,0..-max.3200 Diameter over prepared cable core min..185 L1 mm 470±0..140,00 D1 mm 320±0. mm2 .. • Very large application range for conductor cross sections up to 2500 mm2 • Insulator according with IEC 62271-209 for GIS and DIN EN 50299 for transformer termination • Conductor connection bolt designed mechanical screw type connector • Type test certificate accordance with IEC 60840/62067 available • Dead-end plug available (see page 16) Operation voltage Um (kV) 123.2500 ...5 L1, 320±0..5 320±0..97,0 47,0.74,00 D1 mm 270±0