eco: use 3 phases for cheap tariff hours (#2448)

Author: LKuemmel

packages/control/ev/charge_template.py

@@ -271,7 +271,8 @@ def eco_charging(self,
                      soc: Optional[float],
                      control_parameter: ControlParameter,
                      charging_type: str,
-                     used_amount: float) -> Tuple[int, str, Optional[str], int]:
+                     used_amount: float,
+                     max_phases_hw: int) -> Tuple[int, str, Optional[str], int]:
         """ prüft, ob Min-oder Max-Soc erreicht wurden und setzt entsprechend den Ladestrom.
         """
         message = None
@@ -294,6 +295,7 @@ def eco_charging(self,
                 if data.data.optional_data.et_charging_allowed(eco_charging.max_price):
                     sub_mode = "instant_charging"
                     message = self.CHARGING_PRICE_LOW
+                    phases = max_phases_hw
                 else:
                     current = control_parameter.min_current
                     message = self.CHARGING_PRICE_EXCEEDED

packages/control/ev/ev.py

@@ -206,7 +206,7 @@ def get_required_current(self,
                             self.data.get.soc, control_parameter.min_current, charging_type, imported_since_plugged)
                     elif charge_template.data.chargemode.selected == "eco_charging":
                         required_current, submode, tmp_message, phases = charge_template.eco_charging(
-                            self.data.get.soc, control_parameter, charging_type, imported_since_plugged)
+                            self.data.get.soc, control_parameter, charging_type, imported_since_plugged, max_phases_hw)
                     else:
                         tmp_message = None
                     message = f"{message or ''} {tmp_message or ''}".strip()