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EHV Joints & Terminations


Extra-High Voltage Outdoor Termination up to 245 kV

The extra-high voltage outdoor termination (OHVT) is designed for voltages up to 245 kV. Polymeric insulated cables of various designs can be adopted with respect to shielding and metal sheath. Composite or porcelain housings with different creepage lengths are available covering the most common and also extreme pollution levels.

The termination is designed according to following standards: IEC-60840, IEC-62067, IEC-60815, IEEE-48 & IEEE-1313

Dry Self-Supporting Outdoor Termination for 145kV

Raychem’s dry self-supporting termination is designed for voltage class 145kV. It is free from any insulating liquid or gel. Polymeric insulated cables of various designs can be adopted with respect to shielding and metal sheath.

The polymeric housing with long creepage length is operational under severe environmental conditions according to IEC 60071-1 1996, IEC 60071-2 1996, and IEEE-1313.1-1996.

  • Dry interface, no oil-filling
  • Self-supporting
  • Pre-fabricated and factory tested silicone-rubber stress cone
  • Torque-controlled multi-contact conductor bolt
  • Fast and simple installation combining GIS plug-in technology with polymeric insulators
  • Isolated cable gland for sectionalisation
  • Type tested according to IEC 60840

Extra-High Voltage Joints up to 245kV

The joint is a pre-fabricated one-piece design for voltage classes up to 245 kV. Polymeric insulated cables of various designs can be adapted with respect to shielding and metal sheath. The silicone rubber joint body with integrated geometrical stress control provides proven electrical function. The joint components combine electrical performance, stress control and moisture sealing to provide the important functions required for all High Voltage products.

  • Pre-moulded one piece joint body
  • Proven shield continuity concept
  • Factory tested silicone-rubber body
  • Special silicone-rubber provides perfect compression force for optimised electrical performance
  • Simple assembly
  • Moulded thick outer conductive screen
  • Geometrical electrical stress control by moulded conductive deflectors

The joint is designed according to following standards:

Type tested according to IEC60840, IEC 62067, IEEE404 & GB11017

Manufactured according to ISO9001 and ISO14001

EHVS – Inline and Shield Break Splice from 123kV up to 170kV

EHVS joint is a pre-fabricated three-piece design for voltage classes up to 170kV. Polymer insulated cables of various designs can be adopted with respect to shielding and metal sheath. Cross-section up to 250 mm2 is applicable.

  • Pre-fabricated three-piece splice design
  • Using torque-controlled conductor sleeves
  • Short cut-back dimensions
  • Integrated moisture barrier using H/S components
  • Can adapt shield-break application
  • Pre-fabricated and tested Si-rubber
  • Type tested according to IEC 60840 and IEEE 404 standards

EHV Dry Compact Switchgear & Transformer Termination PHVS & PHVT for 72 kV, 145 kV and 245 kV

The dry compact switchgear termination for voltage classes up to 245 kV is designed to be installed in cable entry housings of gas-insulated switchgear (GIS). It complies with IEC 62271-209 standard, which essentially specifies the interfaces between the termination and the switchgear. Therefore the termination will fit into all GIS complying with IEC 62271-209. Adapters are available to match the dimensions of wet (oil-filled) type terminations, and older designs specified in IEC 60859. The termination operates in SF6 but also in insulating liquids like transformer oil.

  • Dry interface, no oil-filling
  • Dimensions comply with IEC 62271-209
  • Pressure-tight resin housing
  • Operates in SF6 and insulating liquids
  • Pre-fabricated and factory tested Si-rubber stress cone
  • Torque controlled or wedge-type multi-contact conductor bolt
  • No special tools required to install the termination
  • Isolated cable gland for sectionalisation
  • Type tested according to IEC 60840, IEC 62067 and IEC 62271-209 standards
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