Advanced solutions for high voltage electrical systems
Transformation of the global energy system is driving growing demand for more secure power grids, efficient and reliable. The expansion of cities, The development of renewable energies and the need to transport greater amounts of energy require infrastructure capable of operating for decades under demanding conditions.. In this context, GIS Cable termination has become a fundamental solution to ensure safe and stable connections between high voltage cables and GIS equipment in modern electrical networks.
Inside a modern electrical substation, the connection between the high voltage cable and the GIS equipment (Gas Insulated Switchgear) represents one of the most important points of the system. An inadequate connection can affect the stability of the entire network, while a properly designed solution guarantees safe and continuous electrical transmission.
The GIS termination for Cable It is an essential component for medium voltage systems, high voltage and extra high voltage. Its main function is to safely connect XLPE insulated cable with GIS equipment, controlling the distribution of the electric field and ensuring excellent resistance to electrical stress, thermal and mechanical.
As a specialized manufacturer of electrical transmission solutions, Dosense Cable provides GIS completion, XLPE cable splices and complete high voltage cable systems with voltage ranges from 6 kV hasta 500 kV, offering solutions used in international electrical projects.

What is a GIS Termination for Cable??
A GIS terminationfor Cable is a termination accessory designed specifically for connecting insulated electrical cables with GIS equipment in high voltage substations.
Unlike conventional terminations, GIS terminals must meet more stringent technical requirements due to the compact and closed design of GIS equipment. The reduced space within a GIS substation requires a solution with high electrical and mechanical precision.
A GIS terminal is generally made up of main components such as:
- driver connector.
- Electric field control system.
- Prefabricated insulating body.
- Electrical stress relief cone.
- Sealing components.
- Connection elements with the GIS.
Proper design reduces the concentration of the electric field around the conductor and the metal shield., avoiding problems like:
- Partial downloads.
- Overheating.
- Premature insulation failures.
- Moisture ingress.
- Loss of system reliability.
For this reason, GIS terminals are widely used in electrical networks where continuity of supply is critical.

GIS termination applications in modern electrical networks
GIS terminals are mainly used in facilities where high reliability is required, space saving and safe operation for long periods.
High voltage GIS substations
GIS substations are increasingly used in urban areas, industrial zones and projects where available space is limited.
Compared to conventional air-insulated substations (AIS), GIS solutions offer:
- Smaller installation surface.
- Greater protection against environmental pollution.
- Better operational reliability.
- Less need for maintenance.
In these facilities, The GIS Cable Terminal is a fundamental element to connect underground cables with switching equipment.
Underground electrical transmission networks
Large cities require underground electrical systems to reduce visual impact and improve security of supply.
High-voltage XLPE cables connected by GIS terminals allow large amounts of energy to be transported within densely populated urban areas.
Common applications:
- Metropolitan networks.
- Urban centers.
- Commercial areas.
- Critical infrastructure.
Renewable energy projects
The growth of wind farms and solar plants has increased demand for high voltage transmission systems.
Many renewable projects need to connect:
- Generators.
- Step-up transformers.
- GIS Substations.
- National networks.
GIS terminations and cable splices provide reliable solutions for these long-lasting connections.

Dosense Cable: China Professional GIS Completion Manufacturer
Dosense Cable is a manufacturer specialized in high voltage electrical cable systems and accessories., providing complete solutions for electrical companies, EPC contractors and international energy infrastructure projects.
Our experience covers design, manufacturing and supply of:
- GIS Terminal for Cable.
- External high voltage terminals.
- XLPE cable splices.
- High voltage cables.
- Extra high tension cables.
Through a combination of advanced engineering, quality control and manufacturing capacity, Dosense Cable offers solutions adapted to different technical needs and installation conditions.
Our objective is not only to supply a product, but to provide a complete solution that guarantees security, electrical performance and long life.
GIS termination for cables from 6 kV hasta 500 kV
Modern electrical systems require different voltage levels depending on transmission capacity, transport distance and network characteristics. For this reason, Dosense Cable develops GIS Terminal solutions adapted to different voltage classes, from distribution systems to main electrical transmission networks.
Our range of solutions covers applications from 6 kV hasta 500 kV, providing accessories compatible with XLPE cables and different configurations of GIS equipment used in national and international projects.
Completion of the medium voltage GIS: 6 kV – 35 kV
Medium voltage systems are widely used in industrial facilities, commercial buildings, urban infrastructures and electrical distribution networks.
GIS terminals for this voltage range are designed to offer:
- High electrical safety.
- Compact design.
- Easy installation.
- Excellent environmental resistance.
- Long-term stable operation.
Main applications:
- Industrial plants.
- Electrical distribution systems.
- Transformation centers.
- Commercial infrastructure.
Although the voltage levels are lower than EHV systems, The quality of the accessory remains essential to avoid interruptions and guarantee the continuity of the electrical supply.

High Voltage GIS Completion: 66 kV – 245 kV
High voltage networks require solutions with higher electrical demands due to the high levels of transmitted energy..
In this range, GIS terminals must ensure precise control of the electric field and excellent coordination with the XLPE cable insulation.
Applications include:
- Regional electrical substations.
- Urban transmission networks.
- Generating plants.
- Large industrial consumers.
- Renewable energy systems.
Dosense Cable designs solutions for different cable configurations, including:
- Cables unipolares.
- Cables tripolares.
- Copper or aluminum conductors.
- Different types of metal screens.
Extra High Voltage GIS Completion: 330 kV – 500 kV
The systems 330 kV, 345kV, 420 kV y 500 kV represent the most critical electrical transmission networks, used to transport large amounts of energy over long distances.
In these projects, each component must meet the highest reliability requirements.
Extra high voltage GIS terminals require:
- Advanced Electric Field Distribution Design.
- High performance insulating materials.
- High mechanical resistance.
- Strict control of partial discharges.
- Specialized electrical tests.
These solutions are mainly used in:
- National transmission networks.
- Large power plants.
- Regional interconnections.
- Strategic energy projects.
For these voltage levels, Manufacturer's experience is a decisive factor in ensuring operational safety for decades.

Splices for high voltage XLPE cables
In addition to GIS Terminal, los XLPE cable splices They are another fundamental component within electrical transmission systems.
When a cable line requires joining different sections due to the length of the project, complex underground installation or special construction requirements, the splice must maintain the same electrical and mechanical characteristics of the original cable.
A properly designed high voltage splice must guarantee:
- Conductor electrical continuity.
- Insulation recovery.
- Uniform control of the electric field.
- Moisture protection.
- Mechanical resistance throughout the useful life.
Dosense Cable supplies splicing solutions for different applications:
- Underground networks.
- Industrial systems.
- High voltage transmission lines.
- Renewable energy projects.
- Special applications.
Splicing technology for high voltage systems
Modern splices use prefabricated designs and high-precision components to ensure reliable installation.
Technologies used include:
Prefabricated splices
Prefabricated splices allow for faster installation and reduce risks associated with complex field work.
Its advantages include:
- Factory controlled quality.
- Less dependence on environmental conditions.
- High repeatability.
- Excellent electrical performance.
Electric field control
In high voltage systems, the concentration of the electric field can cause insulation failure.
For this reason, The splices incorporate special electrical control systems to ensure a smooth transition between different layers of the cable.
This helps reduce:
- Partial downloads.
- Insulation aging.
- electrical faults.
Complete high voltage cable systems
A reliable electrical system does not depend solely on an individual cable or accessory. Final performance depends on coordination between all components.
Dosense Cable provides integrated solutions including:
- High voltage XLPE cable.
- Extra high tension cable.
- Terminal GIS.
- Terminal exterior.
- cable splices.
- Related technical services.
This integration allows us to offer clients a complete solution from initial engineering to final project delivery..
For power companies and EPC contractors, having a single specialized supplier helps to improve:
Installation efficiency.
Technical coordination.
Project management.
quality control.

International experience in high voltage electrical projects
Experience in international projects is one of the most important factors when selecting a manufacturer of GIS Terminal for Cable. High voltage systems not only require high quality products, but also a deep knowledge of the technical requirements, international standards and specific installation conditions for each market.
Dosense Cable works with clients from different regions of the world, providing solutions for electric companies, EPC companies, network operators and energy infrastructure projects.
Our experience includes applications in:
- National electrical transmission networks.
- High voltage GIS substations.
- Urban underground systems.
- High-power industrial projects.
- Renewable energy plants.
- Special transmission systems.
Every electrical project presents different challenges, such as extreme weather conditions, space limitations, complex installation requirements or specific technical standards. For this reason, Dosense Cable offers solutions adapted to the real needs of each application.
Solutions adapted to the requirements of electricity companies
Electricity companies need suppliers capable of offering not only products, but also technical support throughout the entire project cycle.
Dosense Cable provides services including:
- Technical analysis of the cable system.
- Selection of suitable accessories.
- Customized GIS Terminal Design.
- Technical coordination with GIS manufacturers.
- Project technical documentation.
- Support during installation.
The coordination between the cable, GIS terminal and substation equipment is essential to ensure the safe operation of the entire system.
A high voltage transmission system should be considered as a comprehensive solution, where each component works together to achieve maximum reliability.
International standards and quality control of GIS completion
Accessories used in high voltage systems must meet strict electrical and mechanical requirements. A GIS Terminal must maintain its performance for decades under demanding operating conditions.
Dosense Cable manufactures its products following international technical references applicable to high voltage cable systems and accessories., including standards such as:
- IEC 60840 for high voltage cable systems.
- IEC 62067 for extra high voltage cable systems.
- IEC 62271 for high voltage equipment.
- Specific technical requirements of international electricity companies.
The application of international standards allows our products to adapt to different markets and global projects..

Electrical tests for high voltage systems
Before delivery, High voltage products require rigorous testing to verify their electrical performance.
The most important tests include:
Partial discharge test
Partial discharge measurement is one of the fundamental controls to evaluate the quality of insulation.
A reduced partial discharge indicates:
- Better insulation quality.
- Lower risk of electrical aging.
- Longer system life.
Withstand voltage test
GIS terminals and high voltage accessories must withstand high voltage levels during electrical tests.
These tests verify:
- Dielectric strength.
- Insulation integrity.
- Operational safety.
Dimensional and mechanical inspection
In addition to electrical tests, Each component must meet precise dimensional requirements to ensure proper installation.
Controls include:
- Main dimensions.
- Cable Compatibility.
- mechanical adjustment.
- Quality of materials.
Manufacturing precision is especially important in 110 kV, 220 kV, 245 kV, 420 kV y 500 kV.
Advanced manufacturing of GIS Terminal and high voltage accessories
The manufacture of a GIS Terminal requires specialized technology, experience in insulating materials and strict control of the production process.
Dosense Cable has manufacturing capabilities to produce solutions for different voltage levels and applications..
Our processes consider fundamental aspects such as:
- Selection of high-performance materials.
- Control of the insulation process.
- Dimensional accuracy.
- Professional assembly.
- Testing before shipping.
Each GIS Terminal manufactured represents a critical component within an energy infrastructure of great importance..

Custom design according to the project
Not all electrical projects have the same conditions. For this reason, Dosense Cable can develop solutions according to different requirements:
- Conductor type and section.
- XLPE cable design.
- GIS manufacturer.
- Voltage level.
- Installation method.
- Rules of the destination country.
This customization capacity allows us to respond to special projects where standard solutions are not sufficient..
Solutions for high voltage and extra high voltage XLPE cables
XLPE cables are currently one of the main technologies for underground transmission systems due to their excellent electrical and thermal characteristics..
Dosense Cable offers solutions compatible with:
- Medium Voltage XLPE Cable.
- High voltage XLPE cable.
- Extra High Tension XLPE Cable.
- Transmission systems up to 500 kV.
The combination between cable, GIS terminal and splicing ensures a complete system designed to operate safely throughout its lifespan.

Why choose Dosense Cable as a GIS Terminal manufacturer?
Selecting a supplier of accessories for high voltage systems is a strategic decision for any electrical company.. A GIS Terminal must not only meet the initial technical requirements, but also maintain safe and stable operation for several decades.
Dosense Cable combines engineering expertise, manufacturing capacity and knowledge of international projects to offer reliable solutions in electrical transmission systems.
The main advantages of choosing Dosense Cable include:
Manufacturer specialized in high voltage systems
Dosense Cable focuses on products related to electrical cables and transmission accessories, including:
- GIS Terminal for Cable.
- XLPE cable splices.
- High voltage cables.
- Extra high tension cables.
- Custom solutions for electrical projects.
This specialization allows for a better understanding of the technical needs of modern electrical networks..
Wide voltage range from 6 kV hasta 500 kV
One of the main advantages of Dosense Cable is the ability to provide solutions for different voltage levels..
From medium voltage distribution systems to large electrical transmission networks, we offer solutions for:
- 6 kV.
- 10 kV.
- 20 kV.
- 35 kV.
- 66 kV.
- 110 kV / 115 kV.
- 132 kV.
- 138 kV
- 145 kV.
- 220 kV / 230 kV.
- 245 kV.
- 330 kV.
- 345 kV
- 420 kV.
- 500 kV.
This extensive coverage allows us to serve electrical projects with different power requirements and network configuration..
Experience in international markets
International electrical projects require a supplier with the capacity to adapt to different regulations, environmental conditions and technical needs.
Dosense Cable offers support for customers from different regions, understanding aspects such as:
- Local technical requirements.
- Project documentation.
- International standards.
- Logistics coordination.
- Professional technical communication.
Our international experience allows us to work with clients looking for reliable suppliers from China for energy infrastructure projects..
Supply capacity for global electrical projects
Large electrical transmission projects need suppliers capable of guaranteeing constant quality, stable production and reliable delivery.
Dosense Cable has the capacity to supply solutions for:
- GIS substation projects.
- Urban transmission networks.
- Electrical generation plants.
- Renewable energy systems.
- Industrial infrastructure.
Each project receives technical attention from the initial stage to the completion of the supply.

Technical support throughout the project cycle
The success of a high voltage system depends not only on the product, but also the associated technical service.
Dosense Cable provides assistance at different stages:
engineering phase
During the initial phase, our team can collaborate on:
- Terminal type selection.
- Confirmation of electrical parameters.
- Review of technical requirements.
- Compatibility with GIS equipment.
Manufacturing phase
During production,:
- Material control.
- Process monitoring.
- quality tests.
- Preparation of technical documentation.
Installation phase
For international projects, correct installation is essential.
Dosense Cable can provide technical information related to:
- Assembly procedures.
- Installation recommendations.
- Operation requirements.
- Final inspections.
GIS Completion, splices and high voltage cables: a complete solution
In modern electrical systems, The cable and its accessories form an inseparable whole. A high voltage cable requires a specifically designed termination and connection system to maintain its electrical characteristics..
For this reason, Dosense Cable offers an integrated solution:
High voltage cable + Terminal GIS + Splice + Technical support
This integration provides important advantages:
- Better system coordination.
- Greater operational reliability.
- Risk reduction during the project.
- Supply management simplification.
For power companies and EPC contractors, Working with a manufacturer capable of supplying the complete system facilitates project execution and improves efficiency.
Prepared for the future of electric transmission
The global energy transition is increasing the need for new electricity networks capable of transporting more energy with greater efficiency.
The growth of:
- wind energy.
- Solar energy.
- Industrial electrification.
- Smart networks.
- Regional interconnections.
requires more advanced and reliable transmission systems.
The solutions of GIS Terminal for Cable, XLPE splices y high tension cables play a fundamental role in this energy evolution.
Dosense Cable continues to develop technologies and products aimed at meeting the future needs of international electrical networks.

Dosense Cable's Reliable Solutions for Global Power Grids
The reliability of an electrical network begins with the correct selection of each component. A high quality GIS Terminal, Secure splicing and high-performance cable form the basis of a stable transmission system.
As a specialized manufacturer of high voltage solutions, Dosense Cable offers products from 6 kV hasta 500 kV, combining technology, international experience and manufacturing capacity to support electrical projects around the world.
For electrical companies, energy developers and EPC companies looking for a reliable technical partner, Dosense Cable provides solutions designed for the present and ready for the future.