PV system and module supplier Mage Solar has revealed that its Powertec Plus module range was certified against potential-induced degradation (PID) by Underwriters Laboratories (UL) at the end of 2011. This test, which vouches for the modules’ insensitivity to power losses due to high voltages, temperatures and humidity, was carried out at UL’s Neu-Isenburg facility at the end of the year.
The conditions for this test are currently specified at -1,000V, 25°C and an 85% humidity. Mage’s mono- and polycrystalline modules yielded results that showed that they lost less than 5% of their nominal power under these standardized test conditions, and so they are considered to have passed the PID resistance test.
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