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how to set the string configuration in this case


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I would like to ask how to set the following string configuration in Pvsyst:-

Let say,

I use CSI 545Wp PV panels; and Ginlong Solis Inverter Solis-100K-5G (10 MPPT and 2 input per MPPT)

9 string x 22PV per string (MPPT 1 to 9)

1 string x 16PV per string (MPPT 10 input 1)

1 string x 15PV per string (MPPT 10 input 2)

Total Power shall be 229PV x 545Wp = 124.8kWp.  124.8kWp / 100kW, my DC:AC shall be 1.248


But when I configure like the following photo in PVsyst, the inverter quantity become 1.1 unit, and AC power become 110kW.

How to configure correctly per what I want (1 unit inverter instead)?

Thanks in advance




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17 hours ago, Lazare Fesnien said:


You have an inverter with 10 MPPTs and in your case you tell PVsyst that you are using 11 of them. 

PVsyst doesn't yet allow you to wire two different characteristic subarrays to the same MPPT input.

Hi, thanks for the reply.

actually my aim is to use both input of MPPT10, one input for 15PV string and another input for 16PV string. 

for my case, how shall I configure in the setting then? thanks again 

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On 11/7/2022 at 4:23 PM, Michele Oliosi said:

At the moment you cannot set different strings on the same MPPT within PVsyst. However you could modify the inverter and add an extra MPPT. As long as you are careful with the "power sharing" configuration, it can be a good representation of your system.

I see... thanks for sharing

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