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Mr Sean

Featured Replies

Hi there!

I have a Kodak 7.2 KVA Invertor. I need advice on how many 550W panels I can install on it. Has 2 MPPT’s and wanted to run 2 strings. I was told the voltage will liimit my panels and can only install 8 panels max?

Below feedback I was given

Max mpp output is 80 A
5 x 550 w = 4400 W 
4400w / 54 v = 81 A

I  then asked around and was told:

Your inverter has 2 MPPT's (each of which can accept a maximum PV current of 18A).
Based on the 50Voc of a 550W panel, you can safely have 8 of these panels on each MPPT for a total of 16 x 550W = 8,800W

Not sure who is right?

 

2 hours ago, SeanAE said:

Hi there!

I have a Kodak 7.2 KVA Invertor. I need advice on how many 550W panels I can install on it. Has 2 MPPT’s and wanted to run 2 strings. I was told the voltage will liimit my panels and can only install 8 panels max?

Below feedback I was given

Max mpp output is 80 A
5 x 550 w = 4400 W 
4400w / 54 v = 81 A

I  then asked around and was told:

Your inverter has 2 MPPT's (each of which can accept a maximum PV current of 18A).
Based on the 50Voc of a 550W panel, you can safely have 8 of these panels on each MPPT for a total of 16 x 550W = 8,800W

Not sure who is right?

 

You have a power limit of 4kW on the mppt, and I will suggest you dont stretch it because they can run hot. 

I would prefer 6 panels per mppt, but 7 is still within spec. 

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