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victron bat control: three phases #2983

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Merged
LKuemmel merged 1 commit into from
Dec 1, 2025
Merged

victron bat control: three phases #2983

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16 changes: 14 additions & 2 deletions packages/modules/devices/victron/victron/bat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,13 +51,17 @@ def update(self) -> None:
def set_power_limit(self, power_limit: Optional[int]) -> None:
modbus_id = self.component_config.configuration.modbus_id
vebus_id = self.component_config.configuration.vebus_id

# Wenn Victron Dynamic ESS aktiv, erfolgt keine weitere Regelung in openWB
dynamic_ess_mode = self.__tcp_client.read_holding_registers(5400, ModbusDataType.UINT_16, unit=modbus_id)
if dynamic_ess_mode == 1:
log.debug("Dynamic ESS Mode ist aktiv, daher erfolgt keine Regelung des Speichers durch openWB")
return

phases = self.__tcp_client.read_holding_registers(28, ModbusDataType.UINT_16, unit=vebus_id)
if phases == 1:
log.debug("Einphasiger Speicher erkannt, Speichersteuerung nur auf der ersten Phase.")
else:
log.debug("Mehrphasiger Speicher erkannt, Speichersteuerung auf 3 Phasen.")
if power_limit is None:
log.debug("Keine Batteriesteuerung, Selbstregelung durch Wechselrichter")
if self.last_mode is not None:
Expand All @@ -79,10 +83,18 @@ def set_power_limit(self, power_limit: Optional[int]) -> None:
self.__tcp_client.write_registers(39, [0], data_type=ModbusDataType.UINT_16, unit=vebus_id)
self.last_mode = 'discharge'
# Die maximale Entladeleistung begrenzen auf 5000W
if phases == 3:
power_limit = power_limit / 3
power_value = int(min(power_limit, 5000))
log.debug(f"Aktive Batteriesteuerung. Batterie wird mit {power_value} W entladen")
log.debug(f"Aktive Batteriesteuerung. Victron mit {phases} Phase(n). "
f"Batterie wird mit {power_value} W pro Phase entladen.")
self.__tcp_client.write_registers(
37, [power_value & 0xFFFF], data_type=ModbusDataType.INT_16, unit=vebus_id)
if phases == 3:
self.__tcp_client.write_registers(
40, [power_value & 0xFFFF], data_type=ModbusDataType.INT_16, unit=vebus_id)
self.__tcp_client.write_registers(
41, [power_value & 0xFFFF], data_type=ModbusDataType.INT_16, unit=vebus_id)

def power_limit_controllable(self) -> bool:
return True
Expand Down