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Before getting multiplus-II , I need to understand if this scheme is working well
Solar pannels and wind turbine connectet on the AC_out2 and no grid line availaible
Load connected to ac_out2 also
I hope the PV send energy to loads and if they product more than load needs the remainder energy fill the battery pack
does this works?
Yes, that is how it works.
Why do you want to have it on AC-OUT2? This one has a relay which can open under certain (programmable) conditions, then your downstream inverters will cut off for sure.
AC-OUT1 has no break, so it would be better to use this output.
Remember, if the battery gets full and there is still too much energy from wind and PV then MultiPlus will push the AC frequency up until the grid inverters cut off (52Hz for example).
Is the wind inverter capable of braking the wind turbine or dumping the energy when it is cut off by frequency shifting?
Hi WKirby, as far as I know the Multiplus II does not have any relay on AC2 out only the Multiplus and the quattros have this relay
The multiplus II AC2 out is directly connected to AC1 in, NO relay there
in the above diagram they should be connecting the grid tie units to AC1 out otherwise the freq shifting will not occur
How can i see if my Multiplus II 5000 is HW Rev > 03 ?
Thanks
Jens
look at the images of the underside of the units in the document linked above, the bottom one is 'old' and has been replaced a long time ago.
Thanks to all for your remarks
I need to connect on AC1 out what ever the case of my multiplusII system hardware
Very intresting remark from WKirby , i have a look on it
