Industry NewsWhen is UL 3741 PV Hazard Control the Superior Choice for Commercial Rooftop PV Systems?In recent years, the solar industry has adopted module-level rapid shutdown as the default method to meet the requirements of...
SolutionsThe Top 10 Most Common Myths about Traditional DC Power Optimizers: Part 1 of 3A University Study recently concluded that SMA ShadeFix optimization outperforms traditional module level optimizers, including in partially shaded arrays. That...
SolutionsProperly sizing a PV inverter breakerBelieve it or not, code references for determining the calculation to adequately size a PV inverter breaker are longer than...
SolutionsCalculating Max PV Voltage is Not ScaryIn 2008, the National Electrical Code (NEC) added a second paragraph to 690.7(A) stating, “When open-circuit voltage temperature coefficients are...