I 'discovered' this a few months ago at a conference. I know a lot of people would like the ability to use their solar array in the event of a power outage. There are currently 3 'off-grid capable' inverters that can sync to a grid-tie inverter and trick it into thinking the grid is back. These inverters then couple with the grid-tie inverter and regulate it's output by sending excess energy to the battery or dump load. If the battery is full they increase frequency to 60.6Hz which won't effect anything being powered but will cause the grid-tie inverter to trip off-line.
The AWESOME thing about AC coupling is that it can be used with virtually ANY grid-tie system... Micro-inverters, SMA, Fronius... doesn't matter.
The 3 AC coupling inverters I'm aware of are;
- Magnum Energy PAE series
- Outback Radian
- SMA sunny island (must be stacked to get 240vac)
The AWESOME thing about AC coupling is that it can be used with virtually ANY grid-tie system... Micro-inverters, SMA, Fronius... doesn't matter.
The 3 AC coupling inverters I'm aware of are;
- Magnum Energy PAE series
- Outback Radian
- SMA sunny island (must be stacked to get 240vac)
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