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Posted

Hi  there

I currently have 1 Kodak 5kw vm2 installed with 3 pylontech batteries and 9 panels connected. i have another inverter that i want to parallel with it and then split the solar between the 2

What is the correct way to connect the second inverter to the rest from the actual power cables perspective ?

I asked a few electricians but they all have mixed answers.

Can you tap into the eskom power from the other inverter or do you need to have an extra breaker close to the inverters and feed both from that? ( my breaker from eskom to inverter is in my main DB in my house and about 25m away from the inverters)

And i guess from the batteries to inverters would also just be spilt after the breaker/fuse?

Posted
22 hours ago, JouPa said:

I currently have 1 Kodak 5kw vm2 installed with 3 pylontech batteries and 9 panels connected. i have another inverter that i want to parallel with it...

As far as I know, none of the VM series can be paralleled. To use two of these, you would have to split the loads, not parallel them.

Each inverter should have a separate DC-rated battery fuse.

Posted
On 2021/03/02 at 9:06 PM, JouPa said:

The manual says it can (OGX 5.48 model)

Ah. The OGX appears to be an MKS II, not a VM II. These are quite different models. See for example this page (indicating that a Kodak OGX is an Axpert MKS II). An MKS II certainly can be paralleled.

On 2021/03/01 at 10:33 PM, JouPa said:

Can you tap into the eskom power from the other inverter or do you need to have an extra breaker close to the inverters and feed both from that? ( my breaker from eskom to inverter is in my main DB in my house and about 25m away from the inverters)

For such a long run, you'd want at the very least 6 mm² cable from the DB to the two inverters. I would have at least one breaker near the two inverters for AC-in. Each inverter's AC-out should have its own breaker, so that the two inverters can be powered up without being paralleled. I would never parallel the outputs until all the settings are correct and checked, and I would use a multimeter between the two active outputs, to make sure the voltage is small (≤ ≈20 VAC).

Posted

Thanks  a lot for the info
I am currently running 10mm cable to the inverter just be be on the safe side

 

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