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Enphase Microinverters

Small AC inverters meant to be integrated directly with solar panels.

Enphase Microinverters are designed for residential and commercial grid-tied solar applications.

Each microinverter connects to an individual solar module and performs DC to AC power conversion.

That is, the DC->AC conversion is done on a per-panel basis, and the micro-inverters are connected together in a group. By doing AC conversion per-panel, one panel can be shaded without taking the whole system down. Apparently typical solar power systems have the panels connected in series, and if one of the panels in the string is shaded it disturbs the whole system. With a per-panel micro inverter the one shaded panel simply doesn't produce power, but the others hum right along.

Another feature is that the micro-inverters report over the internet to Enphases main computers. Enphase micro-inverter owners then can log into an information portal, over the Internet, to see how the panels are doing and on a per-panel basis see how well each panel is performing.

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