Industry News

When 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...
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The Top 10 Most Common Myths about Traditional DC Power Optimizers: Part 1 of 3

A University Study recently concluded that SMA ShadeFix optimization outperforms traditional module level optimizers, including in partially shaded arrays. That...
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Properly sizing a PV inverter breaker

Believe it or not, code references for determining the calculation to adequately size a PV inverter breaker are longer than...
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Calculating Max PV Voltage is Not Scary

In 2008, the National Electrical Code (NEC) added a second paragraph to 690.7(A) stating, “When open-circuit voltage temperature coefficients are...
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