220kV Cable: Manufacturer, Precio, Kits

Introduction to 220kV cable

The modern electrical system depends on high-voltage cables capable of transmitting large amounts of energy stably., safe and efficient. Among them, he 220kV Cable It is considered one of the most used products in urban transmission networks, substations, industrial projects, renewable energies and underground long distance lines.

220kV cables are critical components in energy infrastructure because they allow electricity to be transported over long distances with lower electrical losses.. Thanks to its advanced insulation and shielding design, These cables withstand harsh environmental conditions, high temperatures and high stress levels.

In recent years, Global demand for 220kV cables has grown rapidly due to:

• Expansion of urban electrical networks
• Development of solar and wind parks
• Substation modernization
• Replacement of overhead lines with underground cables
• Increase in industrial energy consumption

In this article we will analyze in depth:

• What is a 220kV cable
• Types and structures
• Specialized manufacturer
• Kits and accessories
• Factors affecting price
• Instalation and maintenance
• Global market trends

What is a 220kV Cable?

A 220kV cable is a high voltage cable designed to transmit electrical energy at a nominal voltage of 220 kilovolts.

Generally used in:

• Electrical transmission networks
• GIS Substations
• Heavy industrial projects
• Renewable energy
• Metropolitan infrastructure
• Petrochemical plants
• Railway networks

Most modern 220kV cables use XLPE insulation (cross-linked polyethylene), due to its excellent electrical and thermal properties.

Structure of a 220kV cable

The typical structure includes several layers of protection and insulation.

1. Conductor

The driver can be manufactured in:

• Copper
• Aluminum

Copper offers:

• Higher conductivity
• Lower electrical resistance
• Higher current capacity

Aluminum provides:

• Lower weight
• Lower cost
• Best economical relationship for long distances

2. Internal semiconductor screen

This layer distributes the electric field evenly and avoids voltage concentrations..

3. XLPE insulation

XLPE insulation is currently the global standard for high voltage cables.

Advantages:

• Excellent thermal resistance
• High dielectric strength
• Long lifespan
• Low dielectric loss
• Moisture resistance

4. External semiconductor screen

Helps control the electric field around the insulation.

5. Metal screen

Typically manufactured in:

• copper tape
• copper wires
• corrugated aluminum

Its function is:

• Electromagnetic protection
• Fault current discharge
• Surge protection

6. External cover

The cover protects the cable from:

• Humidity
• Corrosion
• UV radiation
• mechanical impacts
• Chemical substances

The most commonly used materials include:

• PE
• PVC
• LSZH
• HDPE

Types of 220kV cables

Cable XLPE de 220kV

It is the most used currently due to:

• High reliability
• Easy installation
• Less maintenance
• Longer useful life

Cable EPR de 220kV

Used in special applications where greater flexibility is required.

220kV submarine cable

Designed for:

• Offshore wind farms
• maritime crossings
• Interconnections between islands

It has special metal armor to resist marine environments.

220kV underground cable

Widely used in modern cities to reduce:

• Visual impact
• Climate risks
• Environmental problems

Applications of 220kV Cable

Urban electrical networks

Modern cities require stable transmission to:

• Shopping centers
• Hospitals
• Metro
• Data centers
• Airports

Renewable energy

Solar and wind projects use 220kV cables to connect:

• Solar plants
• Wind farms
• Lifting stations
• National networks

Heavy industry

Sectors like:

• Steel
• Mining
• Petrochemistry
• Cement

need large electrical transmission capacities.

GIS Substations

GIS systems use 220kV cables with special terminals.

Professional 220kV cable manufacturer

Dosense Cable

Dosense Cable is a manufacturer specialized in high voltage and extra high voltage electrical transmission solutions.

The company offers:

• Cables XLPE de 220kV
• GIS Terminals
• High voltage splices
• Substation accessories
• Complete transmission systems

The products are used in:

• National electrical networks
• Renewable energies
• Industrial projects
• Urban substations
• Energy infrastructure

Among the most important advantages are:

• Strict quality control
• Modern production
• International technical support
• OEM solutions and custom projects
• Experience in international projects

Kits and accessories for 220kV cables

A high voltage cable system requires much more than the main cable.

Kits include essential components to ensure safety and stability.

220kV terminals

They allow you to connect the cable to:

• Substations
• Transformers
• GIS equipment

There are two main types:

Terminal exterior

Designed for open environments.

Terminal GIS

Used in gas-encapsulated substations.

220kV splices

They allow two sections of cable to be joined.

Types:

• straight splice
• Insulated splice
• sectioned splice

Link Box

Used for:

• Grounding control
• Metal screen protection
• Reduction of induced currents

Grounding systems

Essentials for:

• Human security
• System protection
• Fault Download

Factors affecting the price of 220kV cable

Price can vary greatly depending on multiple factors.

1. Driver material

Copper

More expensive but better driver.

Aluminum

Cheaper and lighter.

2. Cross section

Common examples:

• 400 mm²
• 630 mm²
• 800 mm²
• 1000 mm²
• 1600 mm²
• 2500 mm²

The larger the section:

• Greater capacity
• Higher price

3. Installation type

Underground

Higher installation cost.

Submarine

Much more expensive due to special armor.

4. Accessories included

Terminal and splice kits can represent a significant portion of the total cost.

5. Certifications

International certifications such as:

• IEC
• IEEE
• Type Test

increase the value of the product.

Estimated price of 220kV Cable

Prices are constantly changing depending on:

• copper price
• Aluminum price
• Energy market
• Logistics costs
• Project volume

However, in general:

These values ​​are only references for the international market..

How to choose a 220kV Cable manufacturer?

Selecting the right supplier is essential to ensure:

• Security
• Durability
• Network stability

Verify experience in EHV projects

The manufacturer must have proven experience in:

• 110kV
• 132kV
• 220kV
• 400kV
• 500kV

Review certifications

The most important tests include:

• Type Test
• Routine Test
• Prequalification Test

Production capacity

A serious manufacturer must have:

• CCV line
• Laboratory HV
• Quality control system
• Complete traceability

Technical support

220kV projects require:

• Specialized engineering
• Installation supervision
• Technical training

220kV cable installation

Installation of EHV cables is extremely complex.

Route preparation

Includes:

• geological studies
• Thermal design
• civil Engineering

Minimum curvature radio

It must be strictly adhered to to avoid damage to the insulation..

Cleaning control

Pollution can cause:

• Partial downloads
• Dielectric failures

Testing after installation

The tests include:

• VLF
• AC Resonance
• Partial downloads
• Cover test

220kV cable life

A high quality cable can last:

• 30 years
• 40 years
• Even more than 50 years

Key factors:

• Installation quality
• Temperature
• Humidity
• Overloads
• Accessories quality

Global market trends

Renewable energy growth

Energy transition drives demand for HV cables.

Replacement of airlines

Many cities are burying their electrical networks.

Increased demand for submarine cables

Especially for:

• offshore wind energy
• International interconnections

HVDC development

HVDC transmission is expanding rapidly.

Difference between 110kV, 220kV y 500kV

Advantages of 220kV XLPE Cable

High thermal capacity

Withstands high temperatures.

Less maintenance

Compared to traditional oil cables.

Greater environmental safety

Does not use contaminating fluids.

Excellent reliability

Ideal for critical infrastructure.

Common problems in 220kV cables

Partial download

Can cause serious failures.

mechanical damage

During transportation or installation.

Humidity

Water penetration affects insulation.

Overheating

Due to poor thermal dissipation.

How to reduce costs in 220kV projects

Optimize route design

Reduces civil costs.

Correctly choose the driver

Aluminum can be cheaper.

Select compatible accessories

Avoid installation problems.

Work with experienced manufacturers

Reduce risks and hidden costs.

Future of 220kV cables

The future of the sector points towards:

• Smart networks
• Greater digitization
• Monitoring sensors
• Sistemas HVDC
• Renewable energy
• Superconducting cables

Global energy infrastructure will continue to depend on reliable and efficient EHV cables.

Cables de 220kV

He 220kV Cable Manufacturer It is a fundamental piece in modern electrical transmission networks. Its ability to transport large amounts of energy with high reliability makes it an indispensable component for cities., renewable energy industries and projects.

The right choice of manufacturer, the right kits and accessories, as well as a professional installation, are critical factors to ensure the success of any high voltage project.

If you are looking for professional 220kV cable solutions, GIS terminals, high voltage splices and accessories, Dosense Cable offers reliable solutions for international electrical transmission projects.