Power Cable Product Line
Strengthening the Foundation of Power Transmission to Empower High-Quality Development in the Energy Sector
Business Introduction
As the core transmission medium of power systems, power cables primarily serve to transmit and distribute electrical energy, offering excellent electrical performance, mechanical strength, and environmental adaptability. The company’s product line covers the full range of high- and low-voltage cables, which are widely used in urban power grids, rail transit, industrial and mining enterprises, photovoltaic and wind power projects, and new energy power plants, providing safe and long-lasting power transmission solutions for these projects.
- Low-, medium-, and high-voltage (1 kV–220 kV) series of power cables
- Passed the internationally recognized KEMA high-voltage type test in the Netherlands in 2001
- In 2005, the company obtained the internationally recognized VDE product certification from Germany.
- Supplying 27.5 kV cables for the electrified Beijing-Shanghai High-Speed Railway, which has the longest operational mileage in China
- Supplied 27.5 kV cold-resistant cables for the electrified railway on the Harbin-Dalian Line—China’s first high-speed railway designed for extremely cold climates
- The Gui-Nan High-Speed Railway: The World’s First to Use 27.5 kV Smart Temperature-Sensing Cables
- From the first aircraft carrier construction base to the first nuclear fusion project
- Integrated research and development, production, and sales.
Related products
27.5 kV Cables for Electrified Railways
27.5 kV single-phase AC power cables for electrified railways are specifically designed for use as feeder lines in railway catenary systems, traction substations, section substations, and AT substations.
- Using a fully dry, three-layer co-extrusion cross-linking process
- Online resistance measurement enables real-time monitoring of the quality of the conductor stranding process
- Available in low-smoke, halogen-free or low-smoke, low-halogen versions; Class B1 fire rating
- Provides excellent radial water resistance
- UV resistance, rodent and ant resistance, resistance to environmental aging, weather resistance, and scratch and abrasion resistance
- Meets specific requirements for high-altitude regions
Smart Temperature-Sensing Cable
System integration of a complete system comprising built-in temperature-sensing fiber-optic cables, matching cable accessories, and a distributed fiber-optic online monitoring system
- Features online temperature measurement and real-time monitoring of the operating temperature of cables and accessories
- Real-time alerts can be triggered for hotspots based on the set temperature range.
- In the event of a malfunction, it can accurately pinpoint the location of the fault.
- Cable Life Monitoring
- The fiber optic cable comes with an integrated shielding layer or armor layer, depending on your needs.
66 kV–220 kV Cross-Linked Polyethylene-Insulated Power Cables
Widely used in major transmission projects such as urban power grids, substation interconnections, power plant transmission lines, and renewable energy aggregation
- Long-term allowable operating temperature of the conductor: 90°C; high current-carrying capacity
- Ultra-clean XLPE insulation, high breakdown field strength
- Fully dry three-layer co-extrusion process ensures smooth interfaces between the conductor shield, insulation, and insulation shield, effectively suppressing partial discharge and the formation of electrical trees.
- Dual Waterproofing: Radial and Longitudinal
- The outer sheath is corrosion-resistant, weather-resistant, and resistant to chemical erosion from soil, and is suitable for a variety of installation methods, including direct burial, tunnels, conduit, and cable trenches.
1 kV–35 kV Cross-Linked Polyethylene-Insulated Power Cables
Widely used in urban power distribution networks, rail transit systems, new energy power plants, large-scale industrial and mining facilities, and public infrastructure projects
- XLPE (cross-linked polyethylene) insulation, manufactured using a three-layer co-extrusion process
- The conductor’s long-term allowable operating temperature is 90°C; the maximum allowable temperature during a short circuit (≤5 s) is 250°C.
- Excellent electrical performance, low dielectric loss, and high insulation reliability
- Resistant to rodents and ants; resistant to chemical corrosion and aging; easy to maintain
- Available in a variety of constructions, including armored, flame-retardant, fire-resistant, low-smoke, and halogen-free options
- Installation is not restricted by environmental conditions and supports a variety of installation methods, including direct burial, tunnels, cable trays, and shafts.
1500 V DC Traction Cable for Rail Transit with B1 Fire Rating
Primarily used in the positive and negative feed circuits of traction power supply systems for subways and light rail
- The conductor has a long-term allowable operating temperature of 90°C and a short-circuit withstand temperature of 250°C, and can withstand frequent high-current surges in traction systems.
- Features a combined longitudinal and radial water-blocking structure that effectively withstands the humid environment inside the tunnel
- Meets requirements for rodent and ant resistance, UV resistance, and halogen-free, low-smoke Class B1 flame retardancy
- Configurable armored construction suitable for a variety of installation environments, including tunnels, elevated structures, and cable trenches
35 kV Flame-Retardant Cables with B1-Class Fire Resistance for Rail Transit
35 kV subway cables are primarily used for high-voltage ring network power supply between subway main substations, traction substations, and step-down substations.
- Manufactured using a three-layer co-extrusion cross-linking process, offering excellent electrical insulation properties
- Features a combined longitudinal and radial water-blocking structure that effectively withstands the humid environment inside the tunnel
- Provides protection against rodents and ants, UV resistance, and meets B1-class flame-retardant standards for halogen-free, low-smoke cables
- Features an armored construction, suitable for a variety of installation environments, including tunnels, elevated structures, and cable trenches
DC Charging Cables for Electric Vehicles
Connects the electric vehicle charging unit to the charging infrastructure and is equipped with a main power conductor, ground wire, auxiliary power cable, signal cable, and return conduit to ensure a fast, precisely controlled, and safe charging process.
- High-Efficiency and Safe Charging Solutions
- High current-carrying capacity and excellent electrical insulation properties ensure electrical safety during high-power DC charging.
- High flexibility, resistance to repeated bending, and fatigue resistance
- Resistant to harsh outdoor environments and chemical corrosion
- Safe, flame-retardant, halogen-free, and low-smoke properties
Typical Project Case Studies
Supporting the Operation of High-Speed Rail Passenger Lines
- Beijing–Zhangjiakou Intercity Passenger Dedicated Line
- New Zhengzhou–Zhoukou–Fuyang High-Speed Passenger Railway
- New Shangqiu-Hefei-Hangzhou High-Speed Railway (Anhui and Henan Sections)
- Qianjiang–Zhangjiajie–Changde High-Speed Passenger Railway
- New Southern Shandong High-Speed Railway (Rizhao–Linyi Section)
- Wei-Lai High-Speed Railway
- Lian-Zhen High-Speed Railway
- Yinxi High-Speed Railway
- Beijing–Xiong'an New Area Intercity Railway
- Guangzhou-Zhanjiang Railway
- Xi'an-Yan'an Railway
Helping China's Power Equipment and Power Grid Systems Take Off
- Jiangsu Province Website, Shandong Province Website, Henan Province Website, Hubei Province Website, Hunan Province Website, Zhejiang Province Website
- Power Plants: Datang, Huaneng, China Power Investment, Huadian
- Jiangnan Shipyard on Changxing Island
- Shenzhen-Hong Kong Water Supply Base
Look to the World, Go Global
- Vietnam National Power Grid Project
- Electrical Engineering Project for Singapore's Artificial Islands
- International Thermonuclear Experimental Reactor (ITER) in France
- QGC Natural Gas Project in Australia
- High-Voltage Cables for the National Power Grids of Argentina and Panama
