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Photovoltaic Cable

Enforce Standards

NB∕T 42073-2016 Special cables for photovoltaic power generation systems

2 Pfg 1169/08.2007

Product Use

Photovoltaic DC cables are mainly used to connect photovoltaic modules, inverters and energy storage devices to transmit DC electrical energy. In PV systems, DC cables are required to transmit electrical energy because the electrical energy generated by PV modules is DC. In addition, since PV systems are usually installed outdoors, cables with better weathering properties that can withstand harsh environments are required.

Photovoltaic DC cables are characterised by strong weather resistance, excellent electrical performance, high mechanical strength and environmentally friendly materials. Its material is usually made of PV-specific cables with good UV resistance, aging resistance, corrosion resistance and other properties. When transmitting electrical energy, due to the characteristics of direct current, the resistance value of PV DC cable should be very small to reduce the loss of electrical energy. In addition, the cross-sectional area of the PV DC cable should be selected according to the actual situation in order to meet the transmission requirements of the PV system. In addition to transmitting electrical energy, PV DC cables can also be used to connect the signal transmission between PV modules and inverters. For example, some intelligent PV modules can send data such as fault signals or temperature information to the inverter via the cable, helping maintenance personnel to find and solve problems in time.

In conclusion, PV DC cable is one of the important and indispensable components of PV system, and its performance directly affects the stability and reliability of the whole PV system. With the continuous development of photovoltaic technology, the technology and performance of PV DC cable will be further improved and perfected.