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mpepping / solarman-mqtt

Send Solarman Smart PV inverter metrics to MQTT
Apache License 2.0
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Feature: Setting Inverter Limit #87

Closed tobit6795 closed 1 year ago

tobit6795 commented 1 year ago

It is now possible to set inverter limit by percentage via UI. It would be great if this would be added to this add on as it would help to implement zero feed .

mpepping commented 1 year ago

Sounds cool. Do you have link to Home Assistant documentation or release notes that describe this? Couldn't find anything describing this.

tobit6795 commented 1 year ago

Hi. The closest i could find is this open issue: https://github.com/tbnobody/OpenDTU/issues/815

There are already some implementations by users:

https://github.com/reinhard-brandstaedter/solarflow/blob/master/solarflow-control/solarflow-control.py or https://github.com/z-master42/solarflow/blob/main/script_nur_nulleinspeisung.yaml

I hope that helps.

I imagine something like a input number, based on inverter with given min and max values, that can be set for example to 600 for an 800w inverter

mpepping commented 1 year ago

As I understand zero feed-in, requires two things: get the current power limit from the inverter, and set the current power limit on the inverter. Since solarman-mqtt only retrieves data from the inverter installation, only getting the power limit value would be possible.

My own installation does not provide any data related to the current power limit. I think it's too outdated :). If anyone can provide the data from their installation (using "debug": true in the config file), then we would be able to publish the current power limit data to MQTT. I'll close this issue for now; feel free to comment with any example data to reopen this issue.