What will affect the service life of the actual photovoltaic cable?
There are many operational and environmental factors that affect the actual lifetime of PV cables. These include: overload or short circuit events that can lead to a shortened life of the PV cable. Whether the PV cable is close to a high heat source (for example, installed at a high ambient temperature not previously considered, or placed next to other circuits not considered in the PV cable selection process).
Whether the PV cable is exposed to outdoor elements, such as UV radiation or weather conditions, was not part of the original design. Alternatively, if water has reached the PV cable core, or if there is an unforeseen pest attack.
Presence of contaminants, oils, or acids that may degrade the sheath or insulation
This can occur during or after installation if the Photovoltaic cable is subjected to mechanical stresses, such as stretching, vibration, or bending.
Thanks to national standards such as IEC, EN and other international institutions, photovoltaic cable standards have been developed to test the performance of various photovoltaic cable applications. Although the standards do not specify the expected life of the produced PV cables, the standards include both electrical and non-electrical tests and in general allow a minimum life of 20-30 years for PV cables under typical indoor use. Therefore, end users can be assured about the service life of PV cables when purchasing PV cables with compliance certificates of corresponding national or international standards.
Common photovoltaic cable insulation and sheath materials:
PVC、XLPE、XLPO、LSZH。
To ensure an optimal PV cable life, it is also important to minimize the impact of the above operational and environmental factors. Selecting the most suitable insulation and sheath materials for the PV cable application, as well as correctly sizing the PV cable, is key. In short, if the PV cable you purchase is manufactured to international standards and laid in the vicinity of solar energy according to appropriate guidelines, it is generally expected that your PV cable will have a design life of at least 20-30 years.
If you have more questions or need more information, please contact us and our professional team will be happy to support and answer you.
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