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Parallel inverter installation


Zombie

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When fitting 2, do you have to split the loads between them or do they do it automagically? 

So for example do I need to wire say the geyser to one and the oven to the other to ensure it doesn't cause tripping if both are on at the same time?

Hope I'm explaining properly.

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  • Zombie changed the title to Parallel inverter installation
1 hour ago, Zombie said:

So for example do I need to wire say the geyser to one and the oven to the other to ensure it doesn't cause tripping if both are on at the same time?

You don't wire individual circuits to individual inverters. You wire your whole essential DB board to both inverters in parallel.

Same with your batteries. You connect your batteries to a busbar and connect the battery-in for each inverter to the busbar.

Paralleled inverters share both the load as well as the batteries - no individual connections (assuming you have a single-phase system - different story for 3-phase system)

1 hour ago, Zombie said:

When fitting 2, do you have to split the loads between them or do they do it automagically? 

When everything is wired correctly as above, they will split the load automatically. See my system below:

Cluster.thumb.JPG.25b3a20b9364bcd0236f301d05868e16.JPG

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13 hours ago, wolfandy said:

You don't wire individual circuits to individual inverters. You wire your whole essential DB board to both inverters in parallel.

Same with your batteries. You connect your batteries to a busbar and connect the battery-in for each inverter to the busbar.

Paralleled inverters share both the load as well as the batteries - no individual connections (assuming you have a single-phase system - different story for 3-phase system)

How do the inverters synchronise voltage & phase when the grid is down? Is there a data connection between them?

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