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Max current on SUN2000-45...

Max current on SUN2000-450W-P optimiser

Created: Aug 16, 2021 11:29:58Latest reply: Aug 19, 2021 19:08:05 524 11 0 0 0
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It have a 390w PV module with 13.59A short circuit current under STC, and 10.93A under NMOT.

Will this module be OK to use on the 450w-P optimser?

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BetterMing
Created Aug 16, 2021 11:47:27

Hello, dear.
No, the maximum short-circuit current of SUN2000-450w-P is 13A
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S_Noch
S_Noch Created Aug 16, 2021 14:14:34 (0) (0)
 
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olive.zhao
olive.zhao Admin Created Aug 16, 2021 11:30:37

Hello, dear!
It's nice to meet you in the community.
We're working on your problem. Please be patient.
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BetterMing
BetterMing Created Aug 16, 2021 11:47:27

Hello, dear.
No, the maximum short-circuit current of SUN2000-450w-P is 13A
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S_Noch
S_Noch Created Aug 16, 2021 14:14:34 (0) (0)
 
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Tang_li
Tang_li Admin Created Aug 17, 2021 00:58:53

Technical Specification SUN2000-450W-P
Input
Rated Input DC Power 1 450 W
Absolute maximum input voltage 80 V
MPPT operating voltage range 8 - 80 V
Maximum Short Circuit Current (Isc) 13 A
Max. efficiency 99.5 %
Weighted efficiency 99.0 %
Overvoltage category II
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jsw
jsw Created Aug 19, 2021 08:39:08

I plan to use Longi 455W panels, they have 5W positive power tolerance, this means STC

maximum power 460W. If the SUN2000-450W-P optimiser will work properly witch them?

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BetterMing
BetterMing Created Aug 19, 2021 08:44:15 (0) (0)
You can check the technical parameters of SUN2000-450W-P provided by Tang_li. If these parameters are satisfied, you can use it.  
gzzz
gzzz Created Aug 19, 2021 09:35:32 (0) (0)
Hello dear
In the STC environment, the rated power of the module cannot exceed the rated DC input power of the optimizer, and the deviation of the module power can be within +5% of the rated power of the optimizer  
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jsw
jsw Created Aug 19, 2021 19:08:05

@gzzz


  https://support.huawei.com/enterprise/en/doc/EDOC1100163578/45c7d98f/optimizer-technical-specifications  

shows that Maximum power module is  472,5 W. Longi panel STC power tolerance is  0 ~ +5 W, so 460 W do not exceed the limit.  Am I right?


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gzzz
gzzz Created Aug 20, 2021 03:48:36 (0) (0)
Hello Friend
Exceed the limit, because the SUN2000-450W-P rated input power is 450 W, can not exceed the rated DC input power  
PBpl
PBpl Reply gzzz  Created Jan 7, 2022 20:40:30 (0) (0)
Hello Friend,
what will happen if I'd use SUN2000-450W-P for Longi 455W?  
gzzz
gzzz Reply PBpl  Created Jan 8, 2022 09:57:18 (0) (0)
Hello, friend.
This is not recommended as the SUN2000-450W-P is rated for 450W input power and cannot exceed the rated DC input power .  
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