Add LoadManager

packages/control/algorithm/common.py

@@ -82,6 +82,7 @@ def set_current_counterdiff(diff_current: float,
                     diffs,
                     voltages_mean(chargepoint.data.get.voltages))
         data.data.io_actions.dimming_set_import_power_left({"type": "cp", "id": chargepoint.num}, sum(diffs)*230)
+        data.data.io_actions.set_limit_loadmanager(sum(diffs)*230)
 
     chargepoint.data.set.current = current
     log.info(f"LP{chargepoint.num}: Stromstärke {current}A")
@@ -156,6 +157,7 @@ def update_raw_data(preferenced_chargepoints: List[Chargepoint],
             else:
                 data.data.counter_data[counter].update_values_left(diffs, voltages_mean(chargepoint.data.get.voltages))
         data.data.io_actions.dimming_set_import_power_left({"type": "cp", "id": chargepoint.num}, sum(diffs)*230)
+        data.data.io_actions.set_limit_loadmanager(sum(diffs)*230)
 
 
 def consider_less_charging_chargepoint_in_loadmanagement(cp: Chargepoint, set_current: float) -> bool:

packages/control/io_device.py

@@ -4,6 +4,9 @@
 from helpermodules.constants import NO_ERROR
 from modules.io_actions.controllable_consumers.dimming.api_eebus import DimmingEebus
 from modules.io_actions.controllable_consumers.dimming.api_io import DimmingIo
+
+from modules.io_actions.controllable_consumers.load_manager.api import LoadManager
+
 from modules.io_actions.controllable_consumers.dimming_direct_control.api import DimmingDirectControl
 from modules.io_actions.controllable_consumers.ripple_control_receiver.api import RippleControlReceiver
 from modules.io_actions.generator_systems.stepwise_control.api_eebus import StepwiseControlEebus
@@ -55,7 +58,8 @@ def __init__(self, num: Union[int, str]):
 class IoActions:
     def __init__(self):
         self.actions: Dict[int, Union[DimmingIo, DimmingEebus, DimmingDirectControl,
-                                      RippleControlReceiver, StepwiseControlEebus, StepwiseControlIo]] = {}
+                                      RippleControlReceiver, StepwiseControlEebus, StepwiseControlIo,
+                                      LoadManager]] = {}
 
     def setup(self):
         for action in self.actions.values():
@@ -102,3 +106,15 @@ def stepwise_control(self, device_id: int) -> Tuple[Optional[float], Loadmanagem
                     return action.control_stepwise()
         else:
             return None, LoadmanagementLimit(None, None)
+
+    def get_limit_loadmanager(self) -> Tuple[Optional[float], Optional[float], LoadmanagementLimit]:
+        for action in self.actions.values():
+            if isinstance(action, LoadManager):
+                return action.loadmanager_get_import_power_left()
+        else:
+            return None, None, LoadmanagementLimit(None, None)
+
+    def set_limit_loadmanager(self, used_power: float) -> Optional[float]:
+        for action in self.actions.values():
+            if isinstance(action, LoadManager):
+                return action.loadmanager_set_import_power_left(used_power, used_power/230)

packages/control/limiting_value.py

@@ -7,6 +7,9 @@ class LimitingValue(Enum):
     CURRENT = ", da der Maximal-Strom an Zähler {} erreicht ist."
     POWER = ", da die maximale Leistung an Zähler {} erreicht ist."
     UNBALANCED_LOAD = ", da die maximale Schieflast an Zähler {} erreicht ist."
+    LOADMANAGER = ", da der Lastmanager die Ladeleistung begrenzt."
+    LOADMANAGER_ERROR = (", da aufgrund eines Fehlers im Lastmanager die Ladeleistung auf die maximale Leistung "
+                         "im Fehlerfall begrenzt wird.")
     DIMMING = ", da die Dimmung die Ladeleistung begrenzt."
     DIMMING_VIA_DIRECT_CONTROL = ", da die Dimmung per Direkt-Steuerung die Ladeleistung auf 4,2 kW begrenzt."
     RIPPLE_CONTROL_RECEIVER = (", da der Ladepunkt durch den RSE-Kontakt auf {}% der konfigurierten Anschlussleistung "

packages/control/loadmanagement.py

@@ -26,6 +26,9 @@ def get_available_currents(self,
             available_currents, new_limit = self._limit_by_dimming(available_currents, cp)
             limit = new_limit if new_limit.limiting_value is not None else limit
 
+            available_currents, new_limit = self._limit_loadmanager(available_currents, cp)
+            limit = new_limit if new_limit.limiting_value is not None else limit
+
             available_currents, new_limit = self._limit_by_ripple_control_receiver(available_currents, cp)
             limit = new_limit if new_limit.limiting_value is not None else limit
         except ValueError as e:
@@ -181,3 +184,29 @@ def _limit_by_ripple_control_receiver(self,
                                   if c > 0 else 0 for c in available_currents]
             log.debug(f"Reduzierung durch RSE-Kontakt auf {value*100}%, maximal {max_current*value}A")
         return available_currents, limit
+
+    def _limit_loadmanager(self,
+                           available_currents: List[float],
+                           cp: Chargepoint) -> Tuple[List[float], LoadmanagementLimit]:
+
+        loadmanager_power_left, loadmanager_current_left, limit = data.data.io_actions.get_limit_loadmanager()
+
+        if loadmanager_power_left is not None and loadmanager_current_left is not None:
+            if sum(available_currents)*voltages_mean(cp.data.get.voltages) > loadmanager_power_left:
+                phases = 3-available_currents.count(0)
+                overload_per_phase = (sum(available_currents) -
+                                      loadmanager_power_left/voltages_mean(cp.data.get.voltages))/phases
+                available_currents = [c - overload_per_phase if c > 0 else 0 for c in available_currents]
+                log.debug(
+                    f"Reduzierung der Leistung auf {sum(available_currents)*voltages_mean(cp.data.get.voltages)}W "
+                    f"durch den Lastmanager. (Leistungsgrenze: {loadmanager_power_left}W)")
+                return available_currents, limit
+            if sum(available_currents) > loadmanager_current_left:
+                phases = 3 - available_currents.count(0)
+                overload_per_phase = (sum(available_currents) - loadmanager_current_left) / phases
+                available_currents = [max(c - overload_per_phase, 0) if c > 0 else 0 for c in available_currents]
+                log.debug(
+                    f"Reduzierung der Ströme auf {available_currents}A durch den Lastmanager. "
+                    f"(Stromgrenze: {loadmanager_current_left}A)")
+                return available_currents, limit
+        return available_currents, limit

packages/helpermodules/setdata.py

@@ -851,6 +851,8 @@ def process_mqtt_topic(self, msg: mqtt.MQTTMessage):
             self.process_pv_topic(msg)
         elif "openWB/set/mqtt/vehicle/" in msg.topic:
             self.process_vehicle_topic(msg)
+        elif "openWB/set/mqtt/loadmanager/" in msg.topic:
+            self.loadmanager_topic(msg)
 
     def process_optional_topic(self, msg: mqtt.MQTTMessage):
         """ Handler für die Optionalen-Topics
@@ -1214,3 +1216,19 @@ def process_legacy_smart_home_topic(self, msg):
 
     def _get_ramdisk_path(self) -> Path:
         return Path(__file__).resolve().parents[2]/"ramdisk"
+
+    def loadmanager_topic(self, msg: mqtt.MQTTMessage):
+        """ Handler für die LoadManager-Topics
+
+         Parameters
+        ----------
+        msg:
+            enthält Topic und Payload
+        """
+        try:
+            if re.search("^openWB/set/mqtt/loadmanager/[0-9]+/set/loadmanager$", msg.topic) is not None:
+                self._validate_value(msg, "json")
+            else:
+                self.__unknown_topic(msg)
+        except Exception:
+            log.exception(f"Fehler im setdata-Modul: Topic {msg.topic}, Value: {msg.payload}")

packages/modules/io_actions/controllable_consumers/load_manager/api.py

@@ -0,0 +1,54 @@
+import logging
+from typing import Optional, Tuple
+from control import data
+from control.limiting_value import LimitingValue, LoadmanagementLimit
+from modules.common.abstract_io import AbstractIoAction
+from modules.io_actions.common import check_fault_state_io_device
+from modules.io_actions.controllable_consumers.load_manager.config import LoadManagerSetup
+from modules.io_devices.load_manager.config import AnalogInputMapping
+
+from modules.common.abstract_device import DeviceDescriptor
+
+log = logging.getLogger(__name__)
+
+
+class LoadManager(AbstractIoAction):
+    def __init__(self, config: LoadManagerSetup):
+        self.config = config
+        self.import_power_left = None
+        self.import_current_left = None
+        super().__init__()
+
+    def setup(self) -> None:
+        if check_fault_state_io_device(self.config.configuration.io_device):
+            log.warning("Fehler des IO-Geräts: Lastmanager aktiviert für Failsafe-Modus.")
+            max_power = self.config.configuration.max_power_on_failure
+            max_current = self.config.configuration.max_current_on_failure
+        else:
+            max_power = data.data.io_states[f"io_states{self.config.configuration.io_device}"
+                                            ].data.get.analog_input[AnalogInputMapping.MAX_POWER.name]
+            max_current = sum(data.data.io_states[f"io_states{self.config.configuration.io_device}"
+                                                  ].data.get.analog_input[AnalogInputMapping.MAX_CURRENT.name])
+        self.import_power_left = max_power
+        self.import_current_left = max_current
+
+    def loadmanager_get_import_power_left(self) -> Tuple[Optional[float], Optional[float], LoadmanagementLimit]:
+        if check_fault_state_io_device(self.config.configuration.io_device):
+            return (self.import_power_left, self.import_current_left, LoadmanagementLimit(
+                LimitingValue.LOADMANAGER_ERROR.value,
+                LimitingValue.LOADMANAGER_ERROR))
+        return self.import_power_left, self.import_current_left,  LoadmanagementLimit(LimitingValue.LOADMANAGER.value,
+                                                                                      LimitingValue.LOADMANAGER)
+
+    def loadmanager_set_import_power_left(self, used_power: float, used_current: float) -> None:
+        self.import_power_left -= used_power
+        self.import_current_left -= used_current
+        log.debug(
+            f"verbleibende Dimm-Leistung: {self.import_power_left}W, verbleibender Strom: {self.import_current_left}A")
+
+
+def create_action(config: LoadManagerSetup, parent_device_type: str):
+    return LoadManager(config=config)
+
+
+device_descriptor = DeviceDescriptor(configuration_factory=LoadManagerSetup)

packages/modules/io_actions/controllable_consumers/load_manager/config.py

@@ -0,0 +1,27 @@
+from dataclasses import dataclass, field
+from typing import Dict, List, Optional
+from dataclass_utils.factories import empty_io_pattern_boolean_factory
+from modules.io_actions.groups import ActionGroup
+
+
+@dataclass
+class LoadManagerConfig:
+    io_device: Optional[int] = None
+    input_pattern: List[Dict] = field(default_factory=empty_io_pattern_boolean_factory)
+
+    max_import_power: int = 0
+    max_power_on_failure: float = 0
+    max_current_on_failure: float = 0
+
+
+class LoadManagerSetup:
+    def __init__(self,
+                 name: str = "Begrenzung per Lastmanager",
+                 type: str = "load_manager",
+                 id: int = 0,
+                 configuration: LoadManagerConfig = None):
+        self.name = name
+        self.id = id
+        self.configuration = configuration or LoadManagerConfig()
+        self.type = type
+        self.group = ActionGroup.CONTROLLABLE_CONSUMERS.value

packages/modules/io_devices/load_manager/api.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+
+import logging
+
+from helpermodules import timecheck
+from helpermodules.broker import BrokerClient
+from helpermodules.utils.topic_parser import decode_payload
+from modules.common.abstract_device import DeviceDescriptor
+from modules.common.component_state import IoState
+from modules.common.configurable_io import ConfigurableIo
+from modules.io_devices.load_manager.config import AnalogInputMapping
+from modules.io_devices.load_manager.config import LoadManager
+
+log = logging.getLogger(__name__)
+control_command_log = logging.getLogger("steuve_control_command")
+
+
+def create_io(config: LoadManager):
+    received_topics = {}
+    broker = None
+
+    def read():
+        broker.start_finite_loop()
+        log.debug(f"Empfange MQTT Daten für Lastmanager {config.id}: {received_topics}")
+        io_state = IoState()
+        io_state.analog_input = getattr(io_state, "analog_input", None) or {}
+        io_state.analog_output = getattr(io_state, "analog_output", None) or {}
+        io_state.digital_input = getattr(io_state, "digital_input", None) or {}
+        io_state.digital_output = getattr(io_state, "digital_output", None) or {}
+
+        if received_topics.get(f"openWB/mqtt/loadmanager/{config.id}/set/loadmanager"):
+            payload = received_topics[f"openWB/mqtt/loadmanager/{config.id}/set/loadmanager"]
+
+            timestamp = float(payload["timestamp"])
+            age_s = timecheck.create_timestamp() - timestamp
+            # < = deaktiviert
+            if age_s > 60:
+                raise RuntimeError(f"Lastmanager-Daten sind veraltet: age={age_s:.1f}s, timestamp={timestamp}.")
+
+            io_state.analog_input.update({AnalogInputMapping.MAX_POWER.name: payload["max_power"]})
+            io_state.analog_input.update({AnalogInputMapping.MAX_CURRENT.name: payload["max_current"]})
+            io_state.analog_input.update({AnalogInputMapping.TIMESTAMP.name: timestamp})
+        return io_state
+
+    def initializer():
+        nonlocal broker
+        nonlocal received_topics
+
+        def on_connect(client, userdata, flags, rc):
+            client.subscribe(f"openWB/mqtt/loadmanager/{config.id}/#")
+
+        def on_message(client, userdata, message):
+            received_topics.update({message.topic: decode_payload(message.payload)})
+
+        received_topics = {}
+        broker = BrokerClient("subscribeMqttLoadmanager",
+                              on_connect, on_message)
+
+    return ConfigurableIo(config=config, component_reader=read, component_writer=lambda: None, initializer=initializer)
+
+
+device_descriptor = DeviceDescriptor(configuration_factory=LoadManager)

packages/modules/io_devices/load_manager/config.py

@@ -0,0 +1,41 @@
+from enum import Enum
+from typing import Dict, Union
+from modules.common.io_setup import IoDeviceSetup
+
+
+class AnalogInputMapping(Enum):
+    MAX_POWER = "max_power"
+    MAX_CURRENT = "max_current"
+    TIMESTAMP = "timestamp"
+
+
+class LoadManagerConfiguration:
+    def __init__(self) -> None:
+        pass
+
+
+def init_input():
+    return {"analog": {pin.name: None for pin in AnalogInputMapping}}
+
+
+def init_output():
+    return {"analog": {}}
+
+
+class LoadManager(IoDeviceSetup[LoadManagerConfiguration]):
+    def __init__(self,
+                 name: str = "openWB Lastmanager",
+                 type: str = "load_manager",
+                 id: Union[int, str] = 0,
+                 configuration: LoadManagerConfiguration = None,
+                 input: Dict[str, Dict[int, float]] = None,
+                 output: Dict[str, Dict[int, float]] = None) -> None:
+        self.name = name
+        self.type = type
+        self.id = id
+        self.configuration = configuration or LoadManagerConfiguration()
+        if input is None:
+            input = init_input()
+        if output is None:
+            output = init_output()
+        super().__init__(name, type, id, configuration or LoadManagerConfiguration(), input=input, output=output)