Smart combiner box

Solar Energy - Smart Combiner Box


For photovoltaic (PV) arrays with a power capacity greater than 50 kW, it is necessary to combine the PV strings into a high voltage Direct Current (DC) bus before the inverter. This system is known as a solar combiner box. The solar combiner box became smart when current and voltage sensing technology was moved from the solar inverter (multi-string level) to the combiner box in order to immediately detect a solar panel operating at diminished capacity and the corresponding damage. Smart combiner boxes are also being enriched with additional features, including:

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Application notes & user guides

Application Notes (1)

Title Abstract Type Size (KB) Date Views
HTM 8 KB 24 Jan 2011 0

Product bulletin & white papers

White Papers (1)

Title Abstract Type Size (MB) Date Views
PDF 1.07 MB 28 May 2014 0


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