Gabriel Cravchik's posts

Posted by Gabriel Cravchik on Oct 3, 2011 07:43 pm

#1 - Renewable Energy > Technical Discussion: Solar Electric System - Photovoltaic > PWM or MPPT for a Uni-Solar thin film with Vmp=16.2V ?

Hi,
I want to build a 12V system with thin film flexible panels, which have Vmp=16.2V. It will be installed in an area having 90F during summer, and days as low as 30F-40F just a month, it is a more hot than cold area.

I'm not sure if a MPPT will make a difference and is a better choice, or if a PWM will be almost as good.

The thin film has Vmp=16.2V, and a regular glass module usually is Vmp=17.5, so a MPPT would make more sense on a glass module... but as the thin film has less power drop due to hot temperature, an MPPT would be useful also...

Thanks

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