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Solar Panels Information

Joseph Said:

Wiring in solar panels?

We Answered:

The essentials are to connect the panels in a configuration that matches the inverter. My system has twenty 24 volt panels in series, to an inverter that wants to see 480. They could have been in any series-parallel configuration to match an inverter that used different voltage. I chose the high voltage route to reduce IR losses in the connections.

The proper inverter is essential on grid connected systems. It must be able to disconnect from the grid if grid power fails, and to come back on line automatically, and in phase.

There has to be a fused disconnect between the panels and the inverter.


When connecting to the grid, another fused disconnect is required. My power company was very specific about acceptable switches. Just using a good brand doesn't hack it.

Lots of good info on solar panels in the green search box above on this page.

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