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DDSU666-H ISSUES

Created: Mar 22, 2022 09:28:41Latest reply: Mar 23, 2022 02:20:20 262 7 1 0 0
  HiCoins as reward: 0 (problem unresolved)

Hi everybody,


Can you please tell me the reason why the consommation et production seem similar.

we installed a sun2000 6ktl-l1 with a DDSU666-H. May be the torus is inverted?

issues


Thanks,

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Clearlove7
Admin Created Mar 23, 2022 02:20:20

Hello, friend.

@IRO009  We suggest you check whether the current sensor is installed in the grid side shutdown position. Also, check the direction of the current sensor. The active power of the meter should be positive when the inverter is not generating power and getting energy from the grid.

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Hello, friend.

I didn't catch your point. Can you describe your problem clearly? Are you referring to the energy you produce as much as the energy you use?

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Posted by Clearlove7 at 2022-03-22 09:31 Hello, friend.I didn't catch your point. Can you describe your problem clearly? Are you referring to ...
Hi,

No. I'm referring to the energy i produce (blue) and the energy consume by the house (red).
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I am having them same issue, it seems that when my PV power increases the load from the grid increases proportionately.

The actual load bears not resemblance to the actual real household load, the App is only showing the PV output and plotting the graph with a proportionality of PV to Grid of about 66% to 30%.

If the PV power decreases to say 1kw the household loaded would show as 1 kw + a grid input of 0.33Kw = 1.33kw and so on. When my panels where producing 5.5 .Kw the other day the household load went up to 7.3 kw, no way I was using this amount of power.

I think this could be a configuration or software issue i am not sure though.
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Clearlove7
Clearlove7 Created Mar 23, 2022 02:39:50 (1) (0)
Hello, friend.
We suggest you check whether the current sensor is installed in the grid side shutdown position. Also, check the direction of the current sensor. The active power of the meter should be positive when the inverter is not generating power and getting energy from the grid.  
Trims63
Trims63 Reply Clearlove7  Created Mar 23, 2022 16:57:48 (0) (0)
Thank you, I think I have found the problem, the current sensors had been installed on the Inverter spur and not the main grid input cables. The installer installed the spur to the inverter from the main grid cable before the main CB board and he put the current sensors on these, they were installed with the arrow coming from the inverter. I was getting very low Amps and Watts reading regardless the amount of power being used in the house. Reading are looking far more realistic now.  
Clearlove7
Clearlove7 Reply Trims63  Created Mar 24, 2022 06:03:54 (0) (0)
Hello, friend.
Yes, it's good to see your problem resolved.  

Hello, friend.

@IRO009  We suggest you check whether the current sensor is installed in the grid side shutdown position. Also, check the direction of the current sensor. The active power of the meter should be positive when the inverter is not generating power and getting energy from the grid.

View more
  • x
  • convention:

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