What Is a Solar Cable?
A solar cable is a specialized wiring material used for solar power generation.
Various types of solar cables exist depending on the voltage, installation location, and environmental conditions. Typical examples include VCTF cables and CV cables.
To safely carry power from solar panels, these cables are designed to withstand environmental factors such as solar radiation and humidity. Compared to standard power cables, their insulation layer and sheath thickness are reinforced, reducing deterioration even under high temperatures. Their high resistance to ultraviolet rays makes them ideal for photovoltaic power generation systems installed outdoors.
Solar cables must pass durability tests per international standards. Special polymers are used for insulation to prevent electrical issues. Multiple standards exist depending on the voltage and current requirements, with copper and aluminum commonly used as conductors. Heat and cold resistance are emphasized, ensuring stable use across a wide range of climates. Some cables feature flame-retardant designs for fire prevention and enhanced safety.
Applications of Solar Cables
Solar cables are primarily used in photovoltaic power generation systems. They connect not only solar panels but also related conversion equipment. Common applications include:
1. Wiring in the Control Panel
The control panel of a photovoltaic power system manages power generation and ensures safe energy distribution. Various cables are used in different sections. For example, VVF cables, which are flat and space-efficient, offer high heat and weather resistance.
2. Power Conditioner Connection
Solar cables are also used to connect power conditioners, which convert DC power from solar panels into AC power for commercial use. Longer wiring distances can lead to power loss, making it crucial to select cables with an optimal conductor cross-sectional area. Since high voltages are sometimes involved, cables with appropriate insulation properties must be used.
3. Other Connections
Beyond power generation systems, solar cables are used with recharging facilities and storage batteries. Household storage battery installations require weather-resistant and safe cables for outdoor-to-indoor connections. Additionally, solar cables can be laid to supply power to monitoring systems and remote-control devices, serving as critical infrastructure for efficient facility integration.