The important of solar encapsulations for solar PV modules.
In the PV solar panels production, one important process is the backsheet frame sealing and the junction box sealing.
We always used the good performance silicone sealant for PV modules encapsulation. If this work not done well, what will be impact ?
1) Due to the solar panels long time exposed in outer environments.
Its easy to enter the rain and dusty and caused the solar cells corrosion and damaged the electric system.
2) Reducing the actual working life.
The tightness between the photovoltaic components can improve the ability to resist the influence of external forces, if the component seal is poor, the bonding stability is low, will cause loosening or aging between the plates, greatly affecting the service life of the whole board.
In the work of solar photovoltaic, Why does the adhesive sealing cannot meet the modules application requirements ?
There are three main reasons in below:
1. The silicone sealant quality cannot meet the requirments .
2. The wrong sealing way: for example, insufficient amount of glue, the presence of bubbles in the colloid, or the cleaning of the bonding surface of the substrate does not meet the specifications, etc., will result in substandard sealing.
3. Sealant poor performance. Especially in the performance of weather resistance, high and low temperature resistance and other aspects, if it does not meet the long-term work needs of photovoltaic, there will be a series of destructive problems after installation and use for a period of time.
Therefore, its very important for us to choose a high quality and excellent performance, quality guaranteed sealant, and pay attention to the correct gluing operation during construction, so that the sealing work of photovoltaic modules can be best guaranteed, thereby reducing subsequent problems and improving power generation efficiency!
