Cross-linked Polyethylene (XLPE) cable is a high-performance cable widely used in power transmission and distribution systems. The reason why XLPE cable is popular is mainly because of its superior electrical performance, physical properties and durability. Next, TST CABLES will take you to learn some information about cross-linked polyethylene (XLPE) cable and LSOH cable.
Cross-linked Polyethylene (XLPE) Cable Low Smoke Halogen-Free Cable Features and Advantages
- Electrical Performance
High Dielectric Strength: XLPE has a high dielectric strength, which means it can work under high voltage without easily breaking down.
Low Dielectric Loss: XLPE cable generates less energy loss when transmitting current, which improves the efficiency of power transmission.
Good Insulation Resistance: XLPE is able to provide stable insulation performance and maintain its performance even in harsh environments. - Physical Properties
Wide Temperature Resistance: XLPE is able to maintain its mechanical properties over a wide temperature range and is suitable for different climatic conditions.
Strong wear resistance: XLPE cable has good wear resistance and can maintain its shape and function in long-term use.
Chemical corrosion resistance: XLPE is resistant to a variety of chemicals, which extends the service life of the cable. - Durability
Long life: XLPE cable has a long service life, reducing replacement frequency and maintenance costs.
Anti-aging: XLPE material is resistant to UV and environmental stress cracking and is suitable for outdoor installation.
Cross-linked polyethylene (XLPE) cable structure
Cross-linked polyethylene (XLPE) insulation layer:
Material: Polyethylene molecules are cross-linked by chemical or radiation methods to form a three-dimensional network structure.
Features: It has good electrical insulation properties, heat resistance and mechanical strength.
Low smoke zero halogen (LSZH) sheath:
Material: Based on specially formulated polyolefin or thermoplastic elastomer materials, it does not contain halogen.
Features: It produces a small amount of smoke and non-corrosive gases when burning, reducing toxic gas emissions.
Conductor: Usually copper or tinned copper, sometimes aluminum alloy or other alloy materials are also used.
Features: Good conductivity and high tensile strength.
Shielding layer: used to reduce electromagnetic interference (EMI) or radio frequency interference (RFI).
Material: aluminum foil, metal braid or metal-coated plastic tape.
Reinforcement: provides additional mechanical protection and support.
Material: steel wire, Kevlar fiber or other high-strength materials.
Advantages of cross-linked polyethylene (XLPE) cable
Electrical performance:
High dielectric strength and low dielectric loss, suitable for high-voltage power transmission.
Excellent insulation resistance, reducing the risk of leakage.
Physical properties:
Wide temperature resistance range, suitable for extreme temperature environments.
Strong resistance to chemical corrosion, extending service life.
Safety performance:
Low smoke and halogen-free materials release less smoke and low toxicity when burning.
Improve visibility and survival rate in fire situations.
Environmental performance:
Halogen-free, reducing environmental pollution.
Easy to recycle and reuse.
Industry application of cross-linked polyethylene (XLPE) cable
Power transmission: suitable for power infrastructure such as high-voltage transmission lines and substations.
Construction industry: used for electrical wiring in commercial buildings, residential areas, and public facilities.
Rail transit: Suitable for signal and control circuits of public transportation systems such as subways and light rails.
Aerospace: Used for wires and cables inside aircraft such as airplanes and satellites.
Shipbuilding and marine engineering: Suitable for internal wiring of ships and electrical systems of offshore platforms.
Oil and gas: Suitable for electrical wiring of oil and gas exploration and transportation equipment.
Medical: Suitable for medical equipment and surgical wires.
Cross-linked polyethylene (XLPE) cable test standards
Common test standards include but are not limited to:
IEC 60228: Standard for conductors for fixed laying.
IEC 60332-3: Test standard for the combustion performance of cables in flames.
IEC 60331: Test standard for cables to maintain circuit integrity under fire conditions.
ASTM E662: Test standard for smoke density generated when cables burn.
EN 45545: Fire resistance requirements for materials in railway applications.
Cross-linked polyethylene (XLPE) cable manufacturing process
XLPE insulation layer manufacturing:
Chemical cross-linking: Use peroxide initiators to cross-link polyethylene molecules at high temperatures.
Radiation cross-linking: Use electron beams or gamma rays to irradiate polyethylene to form a three-dimensional structure.
LSZH sheath manufacturing:
Blending: Mix the base resin and additives evenly.
Extrusion molding: Heat the mixture to a molten state through an extruder, and then extrude it to form a sheath.
The role of cross-linked polyethylene (XLPE) cable in promoting the industry
- Improving grid reliability
For power transmission, high-quality XLPE/LSZH cables can significantly improve the reliability and safety of the power grid system, reduce the probability of failures, and ensure the continuity and stability of power supply. - Promote the development of new energy industries
With the rapid development of new energy vehicles, solar photovoltaics and other industries, the demand for efficient and safe cables is increasing. XLPE/LSZH cables have become an important part of these emerging fields with their excellent performance, promoting the development and improvement of related industrial chains. - Promote the construction of smart cities
In the process of smart city construction and the popularization of the Internet of Things, smart cables will play a key role. By integrating advanced communication technology and monitoring functions, XLPE/LSZH cables can help realize the intelligent management of urban infrastructure, improve resource utilization efficiency and service quality.
Cross-linked polyethylene (XLPE) cables and low-smoke halogen-free (LSZH) cables not only show great advantages in the current power transmission, building wiring and other fields, but also play a more important role in the future with the continuous advancement of technology. Through technological innovation and material improvement, these cables will continue to provide safer, more efficient and environmentally friendly solutions for various industries. With the application of digital and intelligent technologies, XLPE/LSZH cables will become one of the key links connecting the future smart society.
XLPE cable technology development trend
- Intelligence and IoT integration
With the development of IoT (Internet of Things) technology, cables not only play the role of transmitting power, but also integrate more intelligent functions. Future XLPE/LSZH cables may be embedded with sensors to monitor the working status of cables, such as temperature, humidity, current strength, etc., so as to achieve remote monitoring and preventive maintenance. This can not only improve the reliability of cable systems, but also reduce maintenance costs. - Green and environmentally friendly materials
With the increasing global awareness of environmental protection, the cable manufacturing industry is also actively seeking more environmentally friendly solutions. For example, developing biodegradable XLPE materials to reduce environmental pollution after cable abandonment. At the same time, LSZH materials are already an environmentally friendly option, and their formulations may be further optimized in the future to consume less energy and reduce carbon emissions during production. - Application of nanotechnology
The application of nanotechnology is expected to improve the performance of XLPE cables. By adding nanoparticles to XLPE materials, their mechanical strength, thermal stability and conductivity can be improved. This will enable the cables to maintain good working conditions under extreme conditions and adapt to a wider range of application environments. - Exploration of composite materials
In addition to traditional XLPE materials, researchers are also exploring other high-performance composite materials, such as carbon nanotubes (CNTs) and graphene, to enhance the conductivity and mechanical properties of cables. The addition of these new composite materials can reduce the weight of the cable while improving its overall performance. - Automated and digital production
Automated equipment and digital technologies, such as robotic welding and 3D printing, are increasingly being introduced into the cable manufacturing process to improve production efficiency and quality control. Digital management systems can also enable real-time monitoring of the entire production process to ensure that every step meets high standards.
[Reliable power transmission, choose TST CABLES XLPE cable LSOH cable]
In order to meet the growing demand for electricity, we have launched cable products using advanced cross-linked polyethylene (XLPE) technology. LSOH cable, XLPE cable has become the first choice for power transmission systems with its excellent electrical performance, excellent temperature resistance and long service life. Whether in urban power grid transformation, industrial facility expansion or residential power supply upgrade, XLPE cable can provide stable and reliable power support to protect your business development.
If you have customized XLPE cables, LSOH cables, UL cables, industrial cables, power cables, control cables, etc., and need further technical support or cable solutions, you can visit the TST CABLES official website, or send an email to the professional cable engineer of TST cable manufacturer at any time (email: lixiangchao@testeck.com, please state your country, your industry, your needs in the email, and we can also provide you with free samples).
