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Euromold 11kV Connectors Terminating EPR Cable Into MV Primary Switchgear

• Application: Terminating 11kV EPR Cable Into MV Primary Switchgear
• Connector Type: Nexans Euromold 11kV (Screened Separable Connectors)
• Cable Jointer: Will Oates 33kV Electrical Jointer at Western Power Distribution WPD
• Featured Manufacturer: Nexans Euromold

Euromold 11kV Connectors

Nexans Euromold screened separable connectors are used to terminate high voltage cables with polymeric insulation (XLPE & EPR) onto switchgear and transformer bushings up to 11kV-33kV.

Screened separable connectors are also known as screened elbow connectors or tee connectors.

The HV cable connectors suit high voltage electrical equipment and are compatible with gas insulated switchgear (GIS) manufactured by ABB, Siemens, Alstom, Brush and Hawker Siddley.

Euromold bushings are also available for other types of high voltage oil, air and gas insulated switchgear and transformers to CENELEC EN50180 and ANSI IEEE 386 standards.

Here the Euromold connectors are shown terminating single core 11kV EPR insulated cables with copper wire screens onto switchgear bushings – the wire screens are bundled collectively and earthed onto the copper busbar using brass mechanical cable lugs.

11kV Cable Lugs & Connectors

The 11kV cable conductors have been terminated by the cable jointer and crimped using copper cable lugs, possibly bi-metallic type. The cable conductors could be aluminium suggested by the visible reflection due to the flash inside the Nexans tee connector body. An insulating plug will go into the gap closing the air gap to the outside of the Nexans connector semi-conducting layer. When selecting high voltage cable lugs for stranded copper 11kV-33kV conductors it is crucial to ensure crimp lugs are manufactured using high conductivity copper usually in accordance with BS EN 12735-1:2016 and with a material purity of 99.5%, typically the Cembre 2A range.

Compatible with heat shrink and cold shrink terminations, Cembre 2A cable lugs are also watertight without inspection holes and feature extended barrels to achieve optimum HV cable termination of the conductor without risk of burning-out due to sub-standard crimp connections – cable lugs are available electrolytically tin-plated to BS1872 standard for high corrosion and humidity installations within 11kV/33kV substations.

• BS EN 12735-1:2016 – Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration. Tubes for piping systems.
• BS 1872:1984 – Specification for electroplated coatings of tin.

NEXANS EUROMOLD MV HV POWER CABLE ACCESSORIES

The range of Nexans MV HV power cable joints, terminations and connectors can be used on applications at 6.6kV, 11kV, 15kV, 24kV and 33kV.

See more Nexans Cable Terminations:

• Separable Connectors
• Heat Shrink Cable Terminations
• Cold Shrink Cable Terminations
• Outdoor Terminations
• Earthing

Should you require any assistance with the selection or specification of Euromold separable connectors or bushing types please do not hesitate to contact us.

Thorne & Derrick Specialist Electrical Distributor

LV ♦ MV ♦ HV

T&D distribute the most extensive range of LV, MV & HV Cable Jointing, Terminating, Installation & Cable Pulling Equipment – we service UK and international clients working on underground cables, overhead lines, substations and electrical construction at LV, 11kV, 33kV and EHV transmission and distribution voltages.

• Key Products: MV-HV Cable Joints & Terminations, Cable Cleats, Sealing Cable Ducts, Cable Transits, Underground Cable Protection, Cable Jointing Tools, Feeder Pillars, Cable Ducting, Earthing & Lightning Protection, Electrical Safety, Cable Glands, Arc Flash Protection & Fusegear.

• Distributors for: 3M, ABB, Alroc, Band-It, Catu, Cembre, Centriforce, CMP, Elastimold, Ellis Patents, Emtelle, Furse, Lucy Zodion, Nexans Euromold, Pfisterer, Polypipe, Prysmian, Roxtec.

LV – Low Voltage Cable Joints, Glands, Cleats, Lugs & Accessories (1000 Volts)

MV HV – Medium & High Voltage Cable Joints, Terminations & Connectors (11kV 33kV EHV)

Cable Laying – Underground Cable Covers, Ducting, Seals & Cable Pulling Equipment

More…

T&D’s Power Blog covers: LV MV HV & EHV Transmission & Distribution, Substations, Switchgear, Cable Jointing & Termination, Cable Fault & Repair, Underground Cables

➡ Visit Power Blog.

3M Cold Shrink Terminations Connecting Nexans 12kV (MV) Cable Onto Copper Busbar

• Application: Terminating 12kV Cables Using 3M Cold Shrink Cable Terminations
• Cable Type: Nexans – XLPE 500kcmil (MCM) Single Core LC Cable  
• Cable Jointer: Andy O’Malley (IBEW 258 EHV Cable Jointer / Cable Splicer)
• Featured Manufacturer: 3M 

3M Cold Shrink Cable Terminations

3M Cold Shrink Terminations (QTIII) are shown terminating 12kV 3 core XLPE (polymeric insulated) cables onto copper busbar with double hole compression cable lugs – the Nexans LC (longitudinally corrugated copper) type cable without screen wires is effectively terminated “cold” i.e. without need for naked flames associated with conventional heat shrink type cable terminations.

3M medium voltage primary distribution cable terminations are extensively used in substations and cable vaults with confined spaces where the presence of potentially explosive atmospheres and flammable gas preclude “hot-working”.

“Skirted” cable terminations feature integral rain sheds suitable for indoor (substation switchgear and transformer) or outdoor (pole-top mounted) installation. The 3 phases are clearly labelled using cable tags (Red, Yellow Blue) attached with conventional cable ties.

The MV feeder replacement project required the removal of an existing 400sqmm PILC medium voltage cable and installation of new 500sqmm XLPE single core cable system – the previous MV system under the cable terminations for grounding is obsolete and out of service.

Note the NEMA pad bolted connection – there is a ball stud on it which is used for applying your working grounds.

MV Shielding For Substation Cables

Longitudinal Corrugated Tape Shielding – a flat copper tape is corrugated at right angles to its length and then formed into a cylinder around the medium voltage cable core or inner cable sheath/jacket. LCT shield design enables rapid stripping and termination by the cable jointer. 3M GSK Shield Grounding Accessory Kits convert concentric neutral (CN) or jacketed concentric neutral (JCN) QT-II or QT-III Cold Shrink termination kits for use on longitudinally corrugated (LC) and tape shielded power cables.

Contact T&D to discuss your next MV Cable Jointing or Terminating application using 3M Cold Shrink.

Medium Voltage Primary UD LCT Shielded Cable

Allteck Line Contractors – specialised services for the high voltage electric power industry.

3M Termination Installation – sealing the cold shrink cable breakout and rejacketing the phases on 3 core medium and high voltage power cables without ground wires.

T&D – Main Distributors For 3M Electrical

Should you require any assistance with the selection or specification of cable joints or terminations using 3M Cold Shrink on MV-HV cables please do not hesitate to contact us.

Thorne & Derrick Specialist Electrical Distributor

LV ♦ MV ♦ HV

T&D distribute the most extensive range of LV, MV & HV Cable Jointing, Terminating, Installation & Cable Pulling Equipment – we service UK and international clients working on underground cables, overhead lines, substations and electrical construction at LV, 11kV, 33kV and EHV transmission and distribution voltages.

• Key Products: MV-HV Cable Joints & Terminations, Cable Cleats, Duct Seals, Cable Transits, Underground Cable Protection, Cable Jointing Tools, Feeder Pillars, Cable Ducting, Earthing & Lightning Protection, Electrical Safety, Cable Glands, Arc Flash Protection & Fusegear.

• Distributors for: 3M, ABB, Alroc, Band-It, Catu, Cembre, Centriforce, CMP, Elastimold, Ellis Patents, Emtelle, Furse, Lucy Zodion, Nexans Euromold, Pfisterer, Polypipe, Prysmian, Roxtec.

LV – Low Voltage Cable Joints, Glands, Cleats, Lugs & Accessories (1000 Volts)

MV HV – Medium & High Voltage Cable Joints, Terminations & Connectors (11kV 33kV EHV)

Cable Laying – Underground Cable Covers, Ducting, Seals & Cable Pulling Equipment

More…

T&D’s Power Blog covers: LV MV HV & EHV Transmission & Distribution, Substations, Switchgear, Cable Jointing & Termination, Cable Fault & Repair, Underground Cables

➡ Visit Power Blog