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can I hard wire the output power of a eu solar inverter to a us breaker panel/

Electrical Engineering Asked by novice 1 on December 31, 2021

I have a hybrid solar Easun inverter/charger rated power 3000va/2400w 230vac 50/60hz self sensing. The unit is set up with single EU 230v self sensing 50/60hz input to charge battery and the output is also single EU 230v self sensing 50/60hz. I wish to use this system as a back up for when the grid goes down and to trick my Solaredge 7600 grid tied inverter into thinking it is tied to the grid so it will turn on when the grid is down and or panel main breaker it switched off and back up breaker is switched on. My question is… Can I convert the EU output to US by connecting the blue and brown output wires of the Easun inverter to the 2 wire 230v breaker (L-1 and L-2) in my US panel box without hooking up the EU ground, trick my Soleredge inverter to turn on as it does when grid tied and maintain 110v to my normal house outlets? If I cannot connect the Easun inverter this way does anyone know how it can be done, with or without a converter between the output of the inverter and panel breakers input and vice versa.

One Answer

No you can't, because your neutral is floating, so any imbalance between L1 and L2 loads will cause imbalance between L1 and L2 voltage.

Perhaps it would work with a transformer tha has 230V input and center tapped 120V-0V-120V output, if you can get the grid tied inverter to turn on without a grid.

Answered by Justme on December 31, 2021

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