New energy cables: A solid cornerstone for the future of electricity

Release time: 2024-12-13


In the wave of global energy transformation, new energy cables, with their unique advantages, have become an indispensable and important part of the new energy field.

Solar Energy Field: The Weather Resistance Challenge of Photovoltaic Cables

Photovoltaic cables are exposed outdoors for a long time and need to withstand the test of ultraviolet radiation and extreme weather. Photovoltaic cables with XLPE insulation and polyolefin outer sheath ensure the long-term stable operation of photovoltaic power plants. According to industry data, although the value proportion of photovoltaic cables in photovoltaic power plants is only 10%, their actual value proportion in the entire photovoltaic industry chain is as high as 30% - 40%, highlighting their crucial role in the photovoltaic system.

Representative models:

  • PV1-F 1x4mm²: Single-core, 4 square millimeters, suitable for DC cables in photovoltaic arrays. It adopts XLPE insulation and has excellent weather resistance and electrical performance.
  • H1Z2Z2-K 2x2.5mm²: Double-core, 2.5 square millimeters, used for connecting photovoltaic inverters. It has flame retardant performance to ensure the safety of the power plant.
  • PV1-F 4x6mm²: Four-core, 6 square millimeters, suitable for large-scale photovoltaic power plants. It is designed with high current-carrying capacity to meet the high-power output requirements.
  • H4Z2Z2-K 1x16mm²: Single-core, 16 square millimeters, used for connecting the DC side combiner box in the photovoltaic system. It has high mechanical strength and wear resistance.

Wind Energy Field: The Extreme Test of High-Performance Cables

Wind power generation systems have extremely high requirements for the temperature resistance, cold resistance and mechanical strength of cables. A high-performance cable developed by a certain cable enterprise has a temperature resistance range of -40°C to +90°C and excellent wear resistance, ensuring stable operation in extreme weather.

Representative models:

  • H07BN4-F 1x25mm²: Single-core, 25 square millimeters, conforming to DNV standards. It is used in offshore wind farms and has high corrosion resistance and wear resistance.
  • H07BN4-F 2x10mm²: Double-core, 10 square millimeters, used for internal connection of wind generators. It adopts oxygen-free copper conductor to reduce resistance loss.
  • H07BN4-F 4x6mm²: Four-core, 6 square millimeters, used for internal connection of the tower. It has high flame retardancy and weather resistance.
  • UL3513 1x35mm²: Single-core, 35 square millimeters, used for collector lines in wind farms. It has high current-carrying capacity and excellent electrical performance.

New Energy Vehicles: The Safety and Efficiency of Charging Cables

In the field of new energy vehicles, the safety and efficiency of high-voltage power cables and charging cables are of crucial importance. The self-developed charging pile cable of a certain cable group, with excellent stability, safety and durability, significantly reduces the operation and maintenance costs, providing strong support for the popularization of new energy vehicles. According to the data of the National Bureau of Statistics, in the new energy construction projects in China in 2024, the proportion of new energy vehicle battery swapping projects is as high as 39%, and the demand for new energy cables continues to rise.

Representative models:

  • EV-REYU 3x6mm²: Three-core, 6 square millimeters, used for the high-voltage power system of new energy vehicles. It adopts cross-linked polyethylene insulation to improve safety.
  • YJV22 3x10mm²: Three-core, 10 square millimeters, used as the connection cable from the charging pile to the power supply end. It has high current-carrying capacity and wear resistance.
  • 02 (RV) 1x25mm²: Single-core, 25 square millimeters, used for the internal DC connection cable of the charging pile. It adopts soft PVC insulation for easy installation and maintenance.
  • RVV 2x4mm²: Double-core, 4 square millimeters, used for the internal auxiliary circuit of new energy vehicles. It has high flame retardancy and low-temperature performance.

Energy Storage System: The Reliability of Battery Connection Cables

In the energy storage system, the battery connection cables need to withstand rapid current changes and thermal stress. The application of electrical insulation materials such as XLPE or special rubber ensures the safe and stable connection between the energy storage system and the power grid. With the rapid development of the energy storage industry, the demand for new energy cables has also increased significantly. By the end of 2023, the cumulative installed capacity of the commissioned power energy storage projects in China reached 59.4GW, with a year-on-year growth of 37.9%.

Representative models:

  • 53 (RVV) 4x16mm²: Four-core, 16 square millimeters, used for the connection between battery packs. It adopts tinned copper conductor to improve the conductive performance.
  • NH-YJV 3x25mm²: Three-core, 25 square millimeters, used for the connection between the energy storage system and the power grid. It has high flame retardancy and weather resistance.
  • BVR 1x50mm²: Single-core, 50 square millimeters, used for large-capacity energy storage systems. It has high current-carrying capacity and excellent electrical performance.

Market Prospect and Trend

The market demand for new energy cables is continuously expanding. In 2024, the scale of new energy construction projects in China reached a new high, with a total construction volume of 28 million kilowatts, among which the proportion of new energy vehicle battery swapping projects is the highest. In the future, new energy cables will pay more attention to the improvement of performance such as environmental protection, high temperature resistance and intelligence to meet the higher requirements of the new energy field.

In conclusion, new energy cables, with their unique performance, are providing strong support for the development of the new energy industry. With the continuous breakthrough of technology and the continuous expansion of the market, new energy cables will become an important cornerstone for the wider application of global green power.