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[Bug]: 'Batteries Grid charge maximum power' is at max value of 'Inverter Max active power' #840

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heinemannj opened this issue Nov 1, 2024 · 1 comment
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@heinemannj
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heinemannj commented Nov 1, 2024

Describe the issue

Maximum value of Batteries Grid charge maximum power is at Inverter Max active power level.
Causes overheating on the inverter!!!

Please limit the Batteries Grid charge maximum power to Inverter Rated power => this will immediately reduce inverter internal temperature to a secured temperature level.

Describe your Huawei Solar Setup

Inverter Type: sun2000-6KTL-M1
Inverter Firmware version: latest
sDongle present: Yes
sDongle Type: sDongleA-05 (WiFi / Ethernet)
sDongle Connectivitiy: Ethernet
sDongle Firmware: latest
Power meter present: three phase
Optimizers Present: No
Battery: 1 x LUNA2000-SO 10kWh + 1 x LUNA2000-SO 5kWh
Battery Firmware version: latest
Huawei Solar integration version: latest

How do you connect to the inverter?

Via the SUN2000-<serial_no> WiFi

Upload your Diagnostics File

N/A

Upload your relevant debug logs

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Please confirm the following:

  • I'm running the latest release of Home Assistant.
  • I'm running the latest release of this integration.
  • I did not find an existing issue describing this problem.
  • I did upload the diagnostics-file that I could retrieve from the 'Devices & Services Page'
  • I did upload the relevant debug logs (via 'Enable Debug Logging'-feature or by manually configuring HA logging)
@heinemannj heinemannj added the bug Something isn't working label Nov 1, 2024
@heinemannj
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In Modbus Interface Definitions:

image

In register_names.py:

image

In registers.py:

image

Temperature has been continuisly increased by from 60° to 63° within less than 2 minutes until I have reduced from 6600W to 6000W charge from grid power:

image

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