Hello dear Iammeter team.

As in my other post, I have the problem that my data / charts are not displayed correctly.
my photovoltaic has 5.06 kWp and, according to the SMA display, generates between 4000 watts and 4900 watts at lunchtime.
if I look at the performance in the app or on the homepage, it's about half.
when I go to apparent power in the diagram, I see that it almost fits!
I've now made a few screenshots.
What's strange is that I have fed in at around 6:00 a.m. where there is still no sunshine?

Hi Michael 

Thanks for issuing a new post here.

Please confirm below three issues step by step.

1 if your solar inverter only install in phase C

2 if so ,please give us such snapshot but only inlcude active power of phase C and pv

3 please give us such snapshot but only inlcude apparent power of phase C and pv.

we only need two snapshot now and will confrim other issue base on the three quesstion result.

PS: if possible ,please select the language in English ,thanks

Hi,
It looks like phase (c) has been changed from PV.
You try to change the settings:
PV> Inverter
_c> Grid

Hi, I can not understand your question in this post clearly.
What is the problem exactly now?

Have the question in first topic been solved?

If not ,please help me to confirm the three questions in my previous reply.

i am sorry for the long time. it was realy tricky.

And here I don't understand why I only get 1437W from the PV system and I also get 3675W from the grid?
currently my system made around duie 2800W!

House connection_a is grid
House connection_b is grid
House connection_c is grid
PV is inverter

Hi, thanks for your reply. please help us to confirm this question

The inverter has export energy to grid in phase C , yes?

Anyway, please change the CT direction of the pv firstly. The CT direction of PV is obvious in wrong direction.

laoliu

Hi, thanks for your reply. please help us to confirm this questionThe inverter has export energy to grid in phase C , yes?

I also put myself as tweezers (k-L) according to the assembly scheme, I also have the same problem, the energy that accumulates is on the grid.
I had to invert the grid entry clamp, with the arrow facing the grid.
I think there is an error in the software.

I also put myself as tweezers (k-L) according to the assembly scheme, I also have the same problem, the energy that accumulates is on the grid.I had to invert the grid entry clamp, with the arrow facing the grid.

The CT direction only affect the power result positive or negative and whether it is count in import energy or export energy.
It will not affect the absolutely measurement result. But will affect the calculation result of IAMMETER cloud, IAMMETER requirement install CT in fixed direction, because IAMMETER calculate load power by inverter power and grid power ,and the sign(+ or -) of inverter power and grid power will affect the load power calculation. If you install in CT In another direction that not same as our manual, the load power would be calculated as negative value.

I think there is an error in the software.

sorry ,it is a little long time and I am not so clear about your question now.

Simply speaking, the IAMMETER do such works below
1 receive the data upload from WiFi Power Meter
2 calculate the extra result according to your configuration in your account(place, meter, working mode ) .
If you install the meter in right way and configurate it properly, the extra calculation result would also be correct.

There are three aspect that will affect the final result.
1 whether power meter reading is accuracy.
2 whether installation is properly(installation position , CT direction)
3 whether it is setting correctly in system(meter type, net metering or not)

If I remember correctly, your question is the wifi power meter do not measure your inverter power correctly, yes?
If so , let us confirm this problem firstly. Mix all questions together will not help to find the problem out.
There is a easy way to check whether the wifi power meter reading is correct.
You can install all phase voltage in(Ua,Ub,Uc) from same input, and clamp all ct in same wire, and check whether the power of three phase are nearly same. This is the easiest way to confirm whether the wifi power meter reading is correctly.

If the meter reading is proved OK, we would continue to analyze the other two possibility.

If possible ,you can share your link temporarily, then we can see your data either, it is more easier for us to analyze the problem.
(You can cancel the share link when the problem have been solved)