Comments (11)
@mavo
battery_low is indeed a leftover from the first version and is not used anymore. It stems back to a time where there was no charge through.
The SoC reporting of the hub is indeed sometimes strange. I see the inconsistent drop and rise of SoC values at different speeds (as do others as well).
The only values that are absolutely correct is absolute 0 and 100%. Sometimes it takes hours to get from 97% to 100% and sometimes the SoC drops from 100% to 10% and then stays there for a long time at the same discharge rate.
from solarflow-control.
how's the tool making sure then, that it does not discharge to 0 all the time? Or is this actually what is wanted?
I thought this is rather not nice to the battery, or isn't it?
EDIT:
Would it be possible to add a control mechanism to disable the slow charge towards the end? Its kinda weird when the battery SoC is that inconsistent as it could really prolong the time to get 100% - perhaps even resulting in feeding energy to the grid when the PV input is high and home consumption is low...?
You could (re-)use the BATTERY_HIGH env to do this as well, so a user can control the value from which percentage level slow charge should be done ๐
from solarflow-control.
The behavior of the SoC is rather inconsistent. Sometimes it will jump from 95 to 100 in no time, sometimes it stays at 98 for a long time.
After a few months of observation Iโm thinking of removing the special handlung at the top end.
Discharging to 0 isnโt really a problem for the battery, however we also have observed a behavior that the hub doesnโt properly start sometimes. (I havenโt seen it personally but @tuxianerDE has).
from solarflow-control.
I would be in favor of removing the special handling.
Also, I have not seen the behavior that @tuxianerDE has described in his issue. But I have my system not very long...
Btw, do you have any idea if the hub2000 will work with your app as well? I would be somewhat surprised if it would not, but you never know ๐
from solarflow-control.
If you give me access, I would also change the code and open a pr for it :-)
from solarflow-control.
hello @reinhard-brandstaedter,
today - I saw something strange looking to me. I have 100% battery, the bypass was enabled and still the app decided 50% of passed on power is plenty.
2024-03-04 14:26:47,828:INFO: Direct connected panels can't cover demand 0.0W/369.1W, trying to get rest from hub.
2024-03-04 14:26:47,828:INFO: Checking if Solarflow is willing to contribute 369.1W ...
2024-03-04 14:26:47,829:INFO: Based on time, solarpower (180.4W) and minimum charge power (200W), hub could contribute 90.0W - Decision path: 2.2.
2024-03-04 14:26:47,829:INFO: Not setting solarflow output limit to 90.0W as it is identical to current limit!
2024-03-04 14:26:47,829:INFO: Solarflow is willing to contribute 90.0W!
2024-03-04 14:26:47,829:INFO: Raising inverter limit from 0.0W to 5.0W
2024-03-04 14:26:47,829:INFO: Direct connected panel limit is 5W.
2024-03-04 14:26:47,829:INFO: Setting inverter output limit to 320W (1 min moving average of 80W x 4)
2024-03-04 14:26:47,830:INFO: Sun: 06:47 - 17:52 Demand: 369.1W, Panel DC: (0.0|0.0), Hub DC: (95.9|94.2), Inverter Limit: 320.0W, Hub Limit: 90.0W
2024-03-04 14:26:52,835:INFO: HUB: S:181.1W [ 176.0,177.0,178.0,179.0,180.0,181.0,182.0,183.0,183.0 ], B:100% (100|100), C: 0W, P:True, F:0.0h, E:53.3h, H:182W, L: 90W
2024-03-04 14:26:52,836:INFO: INV: AC:179.3W, DC:190.6W (0.0|0.0|96.0|94.6), L:1600.0W
2024-03-04 14:26:52,836:INFO: SMT: T:ShellyEM3 P:187.7W [ 190.1,188.2,190.7,190.7,193.2,190.1,191.5,189.7,189.9,189.7,195.4,195.6,195.8,195.2,197.0,196.8,202.9,201.6,202.0,192.8,192.6,192.4,188.5,189.4,189.4,189.4,189.4,189.2,195.4,195.7,195.8,197.7,197.1,197.1,189.2,190.5,190.2,187.5,187.8,186.8,190.8,189.0,189.4,187.5,189.2,189.7,192.1,193.1,192.9,194.8,194.0,193.9,188.7,187.9,187.7,190.7,190.6,191.2,189.3,193.9,193.5,193.8,189.7,189.5,180.0,177.2,177.2,177.2,177.2,177.2,183.2,185.8,185.6,191.5,188.5,188.5,184.5,184.7 ]
2024-03-04 14:26:52,836:INFO: Direct connected panels can't cover demand 0.0W/367.0W, trying to get rest from hub.
2024-03-04 14:26:52,836:INFO: Checking if Solarflow is willing to contribute 367.0W ...
2024-03-04 14:26:52,836:INFO: Based on time, solarpower (181.1W) and minimum charge power (200W), hub could contribute 90.0W - Decision path: 2.2.
2024-03-04 14:26:52,837:INFO: Not setting solarflow output limit to 90.0W as it is identical to current limit!
2024-03-04 14:26:52,837:INFO: Solarflow is willing to contribute 90.0W!
2024-03-04 14:26:52,837:INFO: Raising inverter limit from 0.0W to 5.0W
2024-03-04 14:26:52,837:INFO: Direct connected panel limit is 5W.
2024-03-04 14:26:52,837:INFO: Setting inverter output limit to 320W (1 min moving average of 80W x 4)
2024-03-04 14:26:52,837:INFO: Sun: 06:47 - 17:52 Demand: 367.0W, Panel DC: (0.0|0.0), Hub DC: (96.0|94.6), Inverter Limit: 320.0W, Hub Limit: 90.0W
2024-03-04 14:26:57,843:INFO: HUB: S:181.3W [ 176.0,177.0,178.0,179.0,180.0,181.0,182.0,183.0,183.0,182.0 ], B:100% (100|100), C: 0W, P:True, F:0.0h, E:53.3h, H:182W, L: 90W
2024-03-04 14:26:57,843:INFO: INV: AC:179.8W, DC:191.0W (0.0|0.0|96.4|94.6), L:1600.0W
2024-03-04 14:26:57,843:INFO: SMT: T:ShellyEM3 P:187.3W [ 191.5,189.7,189.9,189.7,195.4,195.6,195.8,195.2,197.0,196.8,202.9,201.6,202.0,192.8,192.6,192.4,188.5,189.4,189.4,189.4,189.4,189.2,195.4,195.7,195.8,197.7,197.1,197.1,189.2,190.5,190.2,187.5,187.8,186.8,190.8,189.0,189.4,187.5,189.2,189.7,192.1,193.1,192.9,194.8,194.0,193.9,188.7,187.9,187.7,190.7,190.6,191.2,189.3,193.9,193.5,193.8,189.7,189.5,180.0,177.2,177.2,177.2,177.2,177.2,183.2,185.8,185.6,191.5,188.5,188.5,184.5,184.7,184.5,186.4,187.7 ]
2024-03-04 14:26:57,843:INFO: Direct connected panels can't cover demand 0.0W/367.1W, trying to get rest from hub.
2024-03-04 14:26:57,843:INFO: Checking if Solarflow is willing to contribute 367.1W ...
2024-03-04 14:26:57,844:INFO: Based on time, solarpower (181.3W) and minimum charge power (200W), hub could contribute 90.0W - Decision path: 2.2.
2024-03-04 14:26:57,844:INFO: Not setting solarflow output limit to 90.0W as it is identical to current limit!
2024-03-04 14:26:57,844:INFO: Solarflow is willing to contribute 90.0W!
2024-03-04 14:26:57,844:INFO: Raising inverter limit from 0.0W to 5.0W
2024-03-04 14:26:57,844:INFO: Direct connected panel limit is 5W.
2024-03-04 14:26:57,844:INFO: Setting inverter output limit to 320W (1 min moving average of 80W x 4)
2024-03-04 14:26:57,845:INFO: Sun: 06:47 - 17:52 Demand: 367.1W, Panel DC: (0.0|0.0), Hub DC: (96.4|94.6), Inverter Limit: 320.0W, Hub Limit: 90.0W
2024-03-04 14:27:02,849:INFO: HUB: S:183.1W [ 178.0,179.0,180.0,181.0,182.0,183.0,183.0,182.0,185.0,186.0 ], B:100% (100|100), C: 0W, P:True, F:0.0h, E:53.3h, H:183W, L: 90W
2024-03-04 14:27:02,850:INFO: INV: AC:180.2W, DC:189.7W (0.0|0.0|95.9|93.8), L:1600.0W
2024-03-04 14:27:02,850:INFO: SMT: T:ShellyEM3 P:187.3W [ 191.5,189.7,189.9,189.7,195.4,195.6,195.8,195.2,197.0,196.8,202.9,201.6,202.0,192.8,192.6,192.4,188.5,189.4,189.4,189.4,189.4,189.2,195.4,195.7,195.8,197.7,197.1,197.1,189.2,190.5,190.2,187.5,187.8,186.8,190.8,189.0,189.4,187.5,189.2,189.7,192.1,193.1,192.9,194.8,194.0,193.9,188.7,187.9,187.7,190.7,190.6,191.2,189.3,193.9,193.5,193.8,189.7,189.5,180.0,177.2,177.2,177.2,177.2,177.2,183.2,185.8,185.6,191.5,188.5,188.5,184.5,184.7,184.5,186.4,187.7 ]
Is this something I do not understand fully, or is this not desired behavior?
MaVo
from solarflow-control.
Just to confirm are you running on the dev build? When did you pull it? Seems right, given that bypass the limit is not taken and rheinard implemented to reduce the limit in bypass so that no spike occurs.
from solarflow-control.
Hey @tuxianerDE,
I am not using the dev build, image was pulled not that long ago, maybe 1-1 1/2 weeks. Image id is 75566f4e166f
(at least in my container runtime).
from solarflow-control.
Hi @mavo ,
in Bypass mode the hub ignores any limit. So from the logs you can see that the Hub still puts out all Solarpower to home.
Though I'm surprised a bit by this part:
2024-03-04 14:26:57,844:INFO: Setting inverter output limit to 320W (1 min moving average of 80W x 4)
2024-03-04 14:26:57,845:INFO: Sun: 06:47 - 17:52 Demand: 367.1W, Panel DC: (0.0|0.0), Hub DC: (96.4|94.6), Inverter Limit: 320.0W, Hub Limit: 90.0W
2024-03-04 14:27:02,849:INFO: HUB: S:183.1W [ 178.0,179.0,180.0,181.0,182.0,183.0,183.0,182.0,185.0,186.0 ], B:100% (100|100), C: 0W, P:True, F:0.0h, E:53.3h, H:183W, L: 90W
2024-03-04 14:27:02,850:INFO: INV: AC:180.2W, DC:189.7W (0.0|0.0|95.9|93.8), L:1600.0W
The inverter limit is set to 1600 although before it tried to set it to 320? Does setting the inverter limit even work?
from solarflow-control.
I have to admit, I never saw any limiting of the inverter the webUI of my ahoydtu. Do you know if the change should be reflected there?
Other question: is there any way I can contribute to this repo?
I'd like to cleanup some old stuff and also propose a change to remove the slow charging towards the end of the battery SoC.
As long as your repo requires pull request reviews there should be no harm to be done. If you want to be the last one to have a look, you can also adjust the repo to only grant yourself approve permissions.
MaVo
from solarflow-control.
Closing this as you added it in the dev branch. Really appreciate this ๐
from solarflow-control.
Related Issues (20)
- Grid feed in from battery during night way to high HOT 2
- Shelly Pro 3EM not working HOT 1
- Docker image for arm64 (Pi 5) HOT 2
- ByPass-State - should it be enabled? HOT 7
- Enable feed to grid if battery is full HOT 3
- Bypass state not recognized correctly on Hub2000 HOT 76
- nach dem Wechsel des Wechselrichter wird DTU nicht mehr erkannt / DTU is no longer recognized after changing the inverter HOT 4
- On latest dev build issue with format code "W" HOT 1
- How to control multiple SF-Hubs HOT 8
- Idea / Question: Not limit the Inverter if the Huboutput is 0 HOT 4
- Turn off ChargeThrough does not set hub output limit -> no power deliver to house HOT 5
- Bypass switch not available in HA anymore HOT 8
- Logging issue in the case of bypass: "Grid feed in from unknown"
- Feature request: enable/disable the control logic HOT 4
- Hub2000 not reporting properties HOT 8
- Battery Max Temp not working in HomeAssistant
- Request: Allow for Hub only control (optional DTU) HOT 3
- Behave from hub2000 after power failure HOT 3
- Question regarding hoymiles inverter HOT 9
- Recommended full charge interval HOT 21
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