Do DualSun Spring panels have anti-reflective glass and what is their luminance ?

Yes, DualSun solar panels are fitted with anti-reflective glass ensuring high performance even in diffused light.

The luminance of the glass of the DualSun panels is around 50,000 cd/m² (however we do not have a certificate for this at the moment).

 

For projects in airport areas:

A luminance of around 10,000 cd / m² is generally requested.

This is not the case with the standard DualSun FLASH and SPRING panels, but a specific production of FLASH and/or SPRING panels equipped with low luminance glass may be considered (additional cost per panel to be validated on each project according to the volumes requested).

 

According to what standard are luminance tests of solar panels carried out?

There is no specific standard for testing the luminance of solar panels.

The best-known standard on this subject, but which does not directly mention the determination of luminance, is ISO 9050-2003 "Determination of light transmission, direct solar transmission, total solar energy transmission, transmission of ultraviolet and factors derived from glazing ".

 

The low luminance glasses that DualSun offers have been tested in-house by our glass supplier. These tests show that the luminance of treated glass is limited to 15-20% of that of a panel with standard glass.

 

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A certificate of low luminance for so-called “anti-glare” glasses that will be used on this type of panels can be downloaded :

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