UL 3741 Rapid Shutdown solution where the PV array can stay up  to 1000V using SMA inverters with Sollega or Ironridge racks! episode artwork

EPISODE · Sep 21, 2022 · 13 MIN

UL 3741 Rapid Shutdown solution where the PV array can stay up to 1000V using SMA inverters with Sollega or Ironridge racks!

from Sean White‘s Solar and Energy Storage Podcast · host whitehousesolar

Rapid Shutdown has traditionally meant putting module level power electronics in the array for PV systems on buildings. There has always been this part of the NEC 690.12(B)(2)(1) that gave you an option to comply with rapid shutdown inside the array with a listed hazard control system. Surprisingly, we can now go back to having something to what rapid shutdown used to be in the 2014 NEC, which we called array level rapid shutdown. Let’s see if someone gets something like this listed for a residential roof.   Links: https://www.sma-america.com/newsroom/current-news/news-details/news/5123-sma-america-and-sollega-partner-to-debut-the-first-ul-3741-pvhcs-certified-commercial-and-indus.html https://files.ironridge.com/flat-roof-mounting/resources/brochures/IronRidge_BX_System_UL3741_Installation_Addendum.pdf https://solarbuildermag.com/featured/ul-3741-rooftop-pv-system-complies-with-nec-690-12-without-mlpe/   To see a visual version, take these classes at www.HeatSpring.com/sean  40-Hour NABCEP Advanced PV Certification Training and CEUS 30-Hour NABCEP Advanced PV Certification Training and CEUS 2020 NEC PV, Energy Storage, Building and Fire Codes for PV System Inspectors

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UL 3741 Rapid Shutdown solution where the PV array can stay up to 1000V using SMA inverters with Sollega or Ironridge racks!

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