extra high voltage cables
COPPER WIRES SCREEN & POLY-ALUMINIUM LAMINATE FOIL
A high-performance power cable with compacted circular or segmental copper/aluminium conductor, XLPE insulation, bonded semi-conductive screening, copper wire screen with open helix copper tape, poly-aluminium laminate for radial water blocking, and outer jacket ensuring durability, safety, and reliable power transmission across demanding applications.
extra high voltage cable
COPPER WIRES SCREEN & POLY-ALUMINIUM LAMINATE FOIL
Cable Construction
Cable Construction
Cable Construction
Specification Sheets
Specification Sheets
Specification Sheets
Laying Conditions
Laying Conditions
Laying Conditions
Customization
Customization
Customization
Packing Information
Packing Information
Packing Information
FAQs
FAQs
FAQs
Cable Construction
number of cores
1
voltage range
66-220 kV
nominal cross section sizes (mm2)
185-2500
Cable Construction
number of cores
1
voltage range
66-220 kV
nominal cross section sizes (mm2)
185-2500
Cable Construction
number of cores
1
voltage range
66-220 kV
nominal cross section sizes (mm2)
185-2500
1
Conductor
Compacted Circular Stranded/ Segmental Round Milliken Copper or Aluminium
2
separator tape
Semi-conducting Tape
3
Conductor Screen
Extruded Semi-conducting Compound
4
Insulation
Cross-Linked Polyethylene (XLPE)
5
Insulation Screen
Extruded Semi-conducting Compound
6
bedding tape
Semiconducting Foam Tape
7
metallic screen
Copper Wires Screen followed by Open Helix Copper Tape
8
bedding tape
Water Swellable Tape
9
radial water blocking
Poly-Aluminium Laminate Foil
10
Outer Sheath
Extruded High Density Poly-Ethylene (PE ST-7) Outer Jacket/ LSZH HFFR compound
Laying Conditions
Buried Direct in the Ground
Trefoil
Trefoil
Trefoil
flat spaced
flat spaced
flat spaced
In Air
trefoil
flat spaced
maximum conductor temperature
90⁰C
maximum conductor temperature
90⁰C
maximum conductor temperature
90⁰C
ambient air temperature (as per standard)
30⁰C
ambient air temperature (as per standard)
30⁰C
ambient air temperature (as per standard)
30⁰C
ground temperature (as per standard)
20⁰C
ground temperature (as per standard)
20⁰C
ground temperature (as per standard)
20⁰C
depth of laying (as per standard)
1.5m
depth of laying (as per standard)
1.5m
depth of laying (as per standard)
1.5m
Thermal Resistivity of Soil
1.5 K·m/W
Thermal Resistivity of Soil
1.5 K·m/W
Thermal Resistivity of Soil
1.5 K·m/W
Customization Requests
The following customizations can be provided to customers on request
Customization Requests
The following customizations can be provided to customers on request
Customization Requests
The following customizations can be provided to customers on request
Water Tight Construction
Water Tight Construction
Water Tight Construction
Customized specific fault current levels
Customized specific fault current levels
Customized specific fault current levels
Extruded Semi-conducting Polyethylene Jacket as conducting layer
Extruded Semi-conducting Polyethylene Jacket as conducting layer
Extruded Semi-conducting Polyethylene Jacket as conducting layer
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Ready to power your next project?
Access full specifications or get a tailored offer for your requirement.
get in touch
Ready to power your next project?
Access full specifications or get a tailored offer for your requirement.
get in touch
Ready to power your next project?
Access full specifications or get a tailored offer for your requirement.
Packing Information
Our packing standards follow the highest regard for sustainability
01 cable length
Available in standard 500m and 1000m drum lengths to suit diverse project needs
02 Drum length
Higher drum lengths can be provided in order to reduce the number of joints for a cable route.
03 drum material
Supplied in recyclable steel drums — stronger, safer, and eco-friendly, making them a sustainable choice over wooden drums.
04 drum covering
The cables on the steel drums shall be covered with superior quality Poly-Propylene (PP) sheath to avoid external exposure.
05 enhanced cable protection
Covered with high-quality PP sheath for enhanced resistance against external damage
06 water prevention
Heat Shrinkable end caps shall be provided on both ends of cable to prevent water ingress into the cable.
Packing Information
Our packing standards follow the highest regard for sustainability
01 cable length
Available in standard 500m and 1000m drum lengths to suit diverse project needs
02 Drum length
Higher drum lengths can be provided in order to reduce the number of joints for a cable route.
03 drum material
Supplied in recyclable steel drums — stronger, safer, and eco-friendly, making them a sustainable choice over wooden drums.
04 drum covering
The cables on the steel drums shall be covered with superior quality Poly-Propylene (PP) sheath to avoid external exposure.
05 enhanced cable protection
Covered with high-quality PP sheath for enhanced resistance against external damage
06 water prevention
Heat Shrinkable end caps shall be provided on both ends of cable to prevent water ingress into the cable.
Packing Information
Our packing standards follow the highest regard for sustainability
01 cable length
Available in standard 500m and 1000m drum lengths to suit diverse project needs
02 Drum length
Higher drum lengths can be provided in order to reduce the number of joints for a cable route.
03 drum material
Supplied in recyclable steel drums — stronger, safer, and eco-friendly, making them a sustainable choice over wooden drums.
04 drum covering
The cables on the steel drums shall be covered with superior quality Poly-Propylene (PP) sheath to avoid external exposure.
05 enhanced cable protection
Covered with high-quality PP sheath for enhanced resistance against external damage
06 water prevention
Heat Shrinkable end caps shall be provided on both ends of cable to prevent water ingress into the cable.
FAQs
Got questions? We’ve got answers. Here’s everything you need to know about our products.
FAQs
Got questions? We’ve got answers. Here’s everything you need to know about our products.
FAQs
Got questions? We’ve got answers. Here’s everything you need to know about our products.
application
Where are Extra High Voltage (EHV) cables typically used?
Where are Extra High Voltage (EHV) cables typically used?
Where are Extra High Voltage (EHV) cables typically used?
When are EHV cables preferred over overhead transmission lines?
When are EHV cables preferred over overhead transmission lines?
When are EHV cables preferred over overhead transmission lines?
Are EHV cables suitable for underground and submarine applications?
Are EHV cables suitable for underground and submarine applications?
Are EHV cables suitable for underground and submarine applications?
Can EHV cables be used for renewable energy evacuation?
Can EHV cables be used for renewable energy evacuation?
Can EHV cables be used for renewable energy evacuation?
Are EHV cables used for interconnections between substations?
Are EHV cables used for interconnections between substations?
Are EHV cables used for interconnections between substations?
features and benefits
What are the key benefits of using EHV cables?
What are the key benefits of using EHV cables?
What are the key benefits of using EHV cables?
How do EHV cables improve grid reliability?
How do EHV cables improve grid reliability?
How do EHV cables improve grid reliability?
Do EHV cables reduce visual and environmental impact?
Do EHV cables reduce visual and environmental impact?
Do EHV cables reduce visual and environmental impact?
Are EHV cables suitable for long-term operation?
Are EHV cables suitable for long-term operation?
Are EHV cables suitable for long-term operation?
How do EHV cables support urban power demand growth?
How do EHV cables support urban power demand growth?
How do EHV cables support urban power demand growth?
technical specifications
What voltage levels are classified as EHV cables?
What voltage levels are classified as EHV cables?
What voltage levels are classified as EHV cables?
What insulation systems are used in EHV cables?
What insulation systems are used in EHV cables?
What insulation systems are used in EHV cables?
What conductor materials are used in EHV cables?
What conductor materials are used in EHV cables?
What conductor materials are used in EHV cables?
How is thermal performance managed in EHV cable systems?
How is thermal performance managed in EHV cable systems?
How is thermal performance managed in EHV cable systems?
What are typical installation configurations for EHV cables?
What are typical installation configurations for EHV cables?
What are typical installation configurations for EHV cables?
certification and standards
Which international standards apply to EHV cables?
Which international standards apply to EHV cables?
Which international standards apply to EHV cables?
What type tests are conducted on EHV cables?
What type tests are conducted on EHV cables?
What type tests are conducted on EHV cables?
Are EHV cable systems factory- and site-tested?
Are EHV cable systems factory- and site-tested?
Are EHV cable systems factory- and site-tested?
How is long-term reliability of EHV cables ensured?
How is long-term reliability of EHV cables ensured?
How is long-term reliability of EHV cables ensured?
Are accessories tested as part of the EHV cable system?
Are accessories tested as part of the EHV cable system?
Are accessories tested as part of the EHV cable system?
procurement and ordering
Can EHV cables be customized for specific project conditions?
Can EHV cables be customized for specific project conditions?
Can EHV cables be customized for specific project conditions?
What all is included in an EHV cable supply scope?
What all is included in an EHV cable supply scope?
What all is included in an EHV cable supply scope?
What information is required to request an EHV cable quotation?
What information is required to request an EHV cable quotation?
What information is required to request an EHV cable quotation?
What is the typical lead time for EHV cable projects?
What is the typical lead time for EHV cable projects?
What is the typical lead time for EHV cable projects?
Do suppliers provide installation and commissioning support?
Do suppliers provide installation and commissioning support?
Do suppliers provide installation and commissioning support?
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Designed and Developed by Figure&Plot
Empowering humanity by addressing the toughest challenges of clean energy delivery
get updates
follow us
Designed and Developed by Figure&Plot
Empowering humanity by addressing the toughest challenges of clean energy delivery
get updates
follow us
Designed and Developed by Figure&Plot