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Huawei Sun2000 12KTLM2 question about string sizes

Created: 2 days 07:58Latest reply: Apr 20, 2022 07:47:27 102 6 1 0 0
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Hello, everyone!


My concern is that I am about to put most of my solarpanels to one string and just small part to other string.


My Solar panel are CanadianSolar CS3L-370MS I have 50 of them.

Solar panel specifications-

Max Power 370w

Opt. Operating Voltage (Vmp) 33.5 V 

Opt. Operating Current (Imp)  11.05 A 

Open Circuit Voltage (Voc)   40.4 V


Huawei inverter has 2 strings and each string has 2 inputs.


I have positioned 44 panels facing southwest and 6 northeast.


Plan is to connect like this 1 string (PV1 - 22panels; PV2 - 22panels) 2 string (PV3 - 6panels; PV4 - 0panels)


So my question is - Is it okay to have most of the power on one string?


I hope you guys can help me out! Thank you!




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Jurijs
Created 2 days 17:08

If it is OK for you, this system will work normally. 1. Mainly you have to connect the same quantity of panels on each tracker in paralel connection (PV1+PV2 or PV3+PV4) otherwise system will work on smallest voltage. 2. 6 panels will be enough for system starting working on mppt
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Clearlove7
Clearlove7 Admin Created 2 days 07:58

Hello, dear!

It's nice to meet you in the community.

We're working on your problem. Just a moment, please.

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Saqibaz
Saqibaz Created 2 days 17:31 (0) (0)
 
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Abdussamed
Abdussamed Created 2 days 08:26

Hello, friend.

According to your case, we suggest you contact PV Center to deal with it by sending an email to the following email address, describing your problem and attaching the SN number of your device.

Europe Email: eu_inverter_support@huawei.com

China and Asia Pacific: solarservice@huawei.com

Latin America: Email: la_inverter_support@huawei.com
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Fil25
Fil25 Created 2 days 08:35

It doesnt seem to be so big problem maybe someone here can help? SN number wont help anyhow with this question.
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Jurijs
Jurijs Created 2 days 17:08

If it is OK for you, this system will work normally. 1. Mainly you have to connect the same quantity of panels on each tracker in paralel connection (PV1+PV2 or PV3+PV4) otherwise system will work on smallest voltage. 2. 6 panels will be enough for system starting working on mppt
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  • convention：
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Fil25
Fil25 Created Yesterday 07:47

Jurijs Thanks for the answer. This helps a lot!
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