Plaashaas Posted July 8, 2020 Share Posted July 8, 2020 Good morning all I am adding a second Kodak King in parallel. They will share 4x US3000 battery bank. Do I really need or must have an AC supply to the 2nd inverter? Quote Link to comment Share on other sites More sharing options...
Coulomb Posted July 8, 2020 Share Posted July 8, 2020 5 hours ago, Plaashaas said: Do I really need or must have an AC supply to the 2nd inverter? I think it's a good idea, so the relays share the current. It might also be a requirement, so that the two inverters have the same AC waveform to synchronise to. Plaashaas 1 Quote Link to comment Share on other sites More sharing options...
Plaashaas Posted July 8, 2020 Author Share Posted July 8, 2020 Thank you sir Quote Link to comment Share on other sites More sharing options...
Plaashaas Posted October 2, 2020 Author Share Posted October 2, 2020 On 2020/07/08 at 7:32 AM, Plaashaas said: Good morning all I am adding a second Kodak King in parallel. They will share 4x US3000 battery bank. Do I really need or must have an AC supply to the 2nd inverter? Just some feedback.... I switched off the AC supply to Slave inverter for weeks with no problems. But that was because my 14kW bank always make it through the night. Last night I forgot to switch off my borehole pump and at 2am the system tripped when the battery got to cut off voltage. The Master can not switch to utility if the Slave does not also have AC supply. @Calvin I remember you mentioning that you would be surprised if this works. You were right, it does not. If one is off grid, both are. Coulomb and Calvin 2 Quote Link to comment Share on other sites More sharing options...
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