UL 3741 Cost Comparison Whitepaper: DC-Optimized vs Non-DC-Optimized Solutions W hitepaper National Electric Code (NEC) History Evolution of Rapid Shutdown Requirements An Intro to UL 3741 Non-DC-Optimized Solution: Racking PVHCS at 1000V Max DC-Optimized Solution: SolarEdge PVHCS at 125V Max Balance of System (BoS) BoS Costs Estimated AC BoS Costs Increased for Longer AC Cable Runs PV Array Wire…
W hite Paper Safety Risks & Solutions in PV Systems for North America Introduction In traditional photovoltaic (PV) systems, high DC voltages are present and pose risks to installers, maintenance personnel and firefighters. In addition, the possibility of electrical arcs, which can result in a fire, creates a threat to people working or living in the vicinity of a PV system. Safety mechanisms…