Saldierende Messung (addiing, balancing???) for the 3PM #27
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Hello,
you software is working very well here. But I have a problem with the Energy (KWh) the Shelly reports. The Shelly calulates the Energy to and from the Grid per Phase and not accumulatet/added on all 3 Phases together. In case you have a 3 Phase Inverter, this is not a problem, as all 3 Phase would have current flowing in the same diretion. But I have a 1Phase Inverter which regulates the Power given to the net by adding all 3 Phase. So, it sends Power to the net on one Phase when the house receives Power on the other 2 Phases. So summed up, our house doesn't use Power from the net. The Energy meter from the provider count the same.
But.... The shelly count per Phase. When the inverter sends power to the net on one Phase and our house receves power on the other phases, the count for "Power tothe Grid" and the counter "Power from the Grid" count up. The in the evening both are wrong.
Simply subracting these two counters doesn't work, as ist has to be done simultaniusly on every measurement of the shelly.
The solution would be to calculate the enery to and from Grid within your software (driver). Do you think you could implement this feature? Maybe to be enabled/disabled within the config file?
Thanks,
Ingo
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