|  | 
|  | 1 | +# License: MIT | 
|  | 2 | +# Copyright © 2022 Frequenz Energy-as-a-Service GmbH | 
|  | 3 | + | 
|  | 4 | +"""Defines the components that can be used in a microgrid.""" | 
|  | 5 | +from __future__ import annotations | 
|  | 6 | + | 
|  | 7 | +from enum import Enum | 
|  | 8 | + | 
|  | 9 | +# pylint: disable=no-name-in-module | 
|  | 10 | +from frequenz.api.common.v1.microgrid.components.components_pb2 import ( | 
|  | 11 | +    ComponentCategory as PBComponentCategory, | 
|  | 12 | +) | 
|  | 13 | +from frequenz.api.common.v1.microgrid.components.components_pb2 import ( | 
|  | 14 | +    ComponentErrorCode as PBComponentErrorCode, | 
|  | 15 | +) | 
|  | 16 | +from frequenz.api.common.v1.microgrid.components.components_pb2 import ( | 
|  | 17 | +    ComponentStateCode as PBComponentStateCode, | 
|  | 18 | +) | 
|  | 19 | + | 
|  | 20 | +# pylint: enable=no-name-in-module | 
|  | 21 | + | 
|  | 22 | + | 
|  | 23 | +class ComponentCategory(Enum): | 
|  | 24 | +    """Possible types of microgrid component.""" | 
|  | 25 | + | 
|  | 26 | +    UNSPECIFIED = PBComponentCategory.COMPONENT_CATEGORY_UNSPECIFIED | 
|  | 27 | +    """An unknown component category. | 
|  | 28 | +
 | 
|  | 29 | +    Useful for error handling, and marking unknown components in | 
|  | 30 | +    a list of components with otherwise known categories. | 
|  | 31 | +    """ | 
|  | 32 | + | 
|  | 33 | +    GRID = PBComponentCategory.COMPONENT_CATEGORY_GRID | 
|  | 34 | +    """The point where the local microgrid is connected to the grid.""" | 
|  | 35 | + | 
|  | 36 | +    METER = PBComponentCategory.COMPONENT_CATEGORY_METER | 
|  | 37 | +    """A meter, for measuring electrical metrics, e.g., current, voltage, etc.""" | 
|  | 38 | + | 
|  | 39 | +    INVERTER = PBComponentCategory.COMPONENT_CATEGORY_INVERTER | 
|  | 40 | +    """An electricity generator, with batteries or solar energy.""" | 
|  | 41 | + | 
|  | 42 | +    BATTERY = PBComponentCategory.COMPONENT_CATEGORY_BATTERY | 
|  | 43 | +    """A storage system for electrical energy, used by inverters.""" | 
|  | 44 | + | 
|  | 45 | +    EV_CHARGER = PBComponentCategory.COMPONENT_CATEGORY_EV_CHARGER | 
|  | 46 | +    """A station for charging electrical vehicles.""" | 
|  | 47 | + | 
|  | 48 | +    CHP = PBComponentCategory.COMPONENT_CATEGORY_CHP | 
|  | 49 | +    """A heat and power combustion plant (CHP stands for combined heat and power).""" | 
|  | 50 | + | 
|  | 51 | +    @classmethod | 
|  | 52 | +    def from_proto( | 
|  | 53 | +        cls, component_category: PBComponentCategory.ValueType | 
|  | 54 | +    ) -> ComponentCategory: | 
|  | 55 | +        """Convert a protobuf ComponentCategory message to ComponentCategory enum. | 
|  | 56 | +
 | 
|  | 57 | +        Args: | 
|  | 58 | +            component_category: protobuf enum to convert | 
|  | 59 | +
 | 
|  | 60 | +        Returns: | 
|  | 61 | +            Enum value corresponding to the protobuf message. | 
|  | 62 | +        """ | 
|  | 63 | +        if not any(t.value == component_category for t in ComponentCategory): | 
|  | 64 | +            return ComponentCategory.UNSPECIFIED | 
|  | 65 | +        return cls(component_category) | 
|  | 66 | + | 
|  | 67 | +    def to_proto(self) -> PBComponentCategory.ValueType: | 
|  | 68 | +        """Convert a ComponentCategory enum to protobuf ComponentCategory message. | 
|  | 69 | +
 | 
|  | 70 | +        Returns: | 
|  | 71 | +            Enum value corresponding to the protobuf message. | 
|  | 72 | +        """ | 
|  | 73 | +        return self.value | 
|  | 74 | + | 
|  | 75 | + | 
|  | 76 | +class ComponentStateCode(Enum): | 
|  | 77 | +    """All possible states of a microgrid component.""" | 
|  | 78 | + | 
|  | 79 | +    UNSPECIFIED = PBComponentStateCode.COMPONENT_STATE_CODE_UNSPECIFIED | 
|  | 80 | +    """Default value when the component state is not explicitly set.""" | 
|  | 81 | + | 
|  | 82 | +    UNKNOWN = PBComponentStateCode.COMPONENT_STATE_CODE_UNKNOWN | 
|  | 83 | +    """State when the component is in an unknown or undefined condition. | 
|  | 84 | +
 | 
|  | 85 | +    This is used when the sender is unable to classify the component into any | 
|  | 86 | +    other state. | 
|  | 87 | +    """ | 
|  | 88 | +    SWITCHING_OFF = PBComponentStateCode.COMPONENT_STATE_CODE_SWITCHING_OFF | 
|  | 89 | +    """State when the component is in the process of switching off.""" | 
|  | 90 | + | 
|  | 91 | +    OFF = PBComponentStateCode.COMPONENT_STATE_CODE_OFF | 
|  | 92 | +    """State when the component has successfully switched off.""" | 
|  | 93 | + | 
|  | 94 | +    SWITCHING_ON = PBComponentStateCode.COMPONENT_STATE_CODE_SWITCHING_ON | 
|  | 95 | +    """State when the component is in the process of switching on from an off state.""" | 
|  | 96 | + | 
|  | 97 | +    STANDBY = PBComponentStateCode.COMPONENT_STATE_CODE_STANDBY | 
|  | 98 | +    """State when the component is in standby mode, and not immediately ready for operation.""" | 
|  | 99 | + | 
|  | 100 | +    READY = PBComponentStateCode.COMPONENT_STATE_CODE_READY | 
|  | 101 | +    """State when the component is fully operational and ready for use.""" | 
|  | 102 | + | 
|  | 103 | +    CHARGING = PBComponentStateCode.COMPONENT_STATE_CODE_CHARGING | 
|  | 104 | +    """State when the component is actively consuming energy.""" | 
|  | 105 | + | 
|  | 106 | +    DISCHARGING = PBComponentStateCode.COMPONENT_STATE_CODE_DISCHARGING | 
|  | 107 | +    """State when the component is actively producing or releasing energy.""" | 
|  | 108 | + | 
|  | 109 | +    ERROR = PBComponentStateCode.COMPONENT_STATE_CODE_ERROR | 
|  | 110 | +    """State when the component is in an error state and may need attention.""" | 
|  | 111 | + | 
|  | 112 | +    EV_CHARGING_CABLE_UNPLUGGED = ( | 
|  | 113 | +        PBComponentStateCode.COMPONENT_STATE_CODE_EV_CHARGING_CABLE_UNPLUGGED | 
|  | 114 | +    ) | 
|  | 115 | +    """The Electric Vehicle (EV) charging cable is unplugged from the charging station.""" | 
|  | 116 | + | 
|  | 117 | +    EV_CHARGING_CABLE_PLUGGED_AT_STATION = ( | 
|  | 118 | +        PBComponentStateCode.COMPONENT_STATE_CODE_EV_CHARGING_CABLE_PLUGGED_AT_STATION | 
|  | 119 | +    ) | 
|  | 120 | +    """The EV charging cable is plugged into the charging station.""" | 
|  | 121 | + | 
|  | 122 | +    EV_CHARGING_CABLE_PLUGGED_AT_EV = ( | 
|  | 123 | +        PBComponentStateCode.COMPONENT_STATE_CODE_EV_CHARGING_CABLE_PLUGGED_AT_EV | 
|  | 124 | +    ) | 
|  | 125 | +    """The EV charging cable is plugged into the vehicle.""" | 
|  | 126 | + | 
|  | 127 | +    EV_CHARGING_CABLE_LOCKED_AT_STATION = ( | 
|  | 128 | +        PBComponentStateCode.COMPONENT_STATE_CODE_EV_CHARGING_CABLE_LOCKED_AT_STATION | 
|  | 129 | +    ) | 
|  | 130 | +    """The EV charging cable is locked at the charging station end, indicating | 
|  | 131 | +    readiness for charging.""" | 
|  | 132 | + | 
|  | 133 | +    EV_CHARGING_CABLE_LOCKED_AT_EV = ( | 
|  | 134 | +        PBComponentStateCode.COMPONENT_STATE_CODE_EV_CHARGING_CABLE_LOCKED_AT_EV | 
|  | 135 | +    ) | 
|  | 136 | +    """The EV charging cable is locked at the vehicle end, indicating that charging is active.""" | 
|  | 137 | + | 
|  | 138 | +    RELAY_OPEN = PBComponentStateCode.COMPONENT_STATE_CODE_RELAY_OPEN | 
|  | 139 | +    """The relay is in an open state, meaning no current can flow through.""" | 
|  | 140 | + | 
|  | 141 | +    RELAY_CLOSED = PBComponentStateCode.COMPONENT_STATE_CODE_RELAY_CLOSED | 
|  | 142 | +    """The relay is in a closed state, allowing current to flow.""" | 
|  | 143 | + | 
|  | 144 | +    PRECHARGER_OPEN = PBComponentStateCode.COMPONENT_STATE_CODE_PRECHARGER_OPEN | 
|  | 145 | +    """The precharger circuit is open, meaning it's not currently active.""" | 
|  | 146 | + | 
|  | 147 | +    PRECHARGER_PRECHARGING = ( | 
|  | 148 | +        PBComponentStateCode.COMPONENT_STATE_CODE_PRECHARGER_PRECHARGING | 
|  | 149 | +    ) | 
|  | 150 | +    """The precharger is in a precharging state, preparing the main circuit for activation.""" | 
|  | 151 | + | 
|  | 152 | +    PRECHARGER_CLOSED = PBComponentStateCode.COMPONENT_STATE_CODE_PRECHARGER_CLOSED | 
|  | 153 | +    """The precharger circuit is closed, allowing full current to flow to the main circuit.""" | 
|  | 154 | + | 
|  | 155 | +    @classmethod | 
|  | 156 | +    def from_proto( | 
|  | 157 | +        cls, component_state: PBComponentStateCode.ValueType | 
|  | 158 | +    ) -> ComponentStateCode: | 
|  | 159 | +        """Convert a protobuf ComponentStateCode message to ComponentStateCode enum. | 
|  | 160 | +
 | 
|  | 161 | +        Args: | 
|  | 162 | +            component_state: protobuf enum to convert | 
|  | 163 | +
 | 
|  | 164 | +        Returns: | 
|  | 165 | +            Enum value corresponding to the protobuf message. | 
|  | 166 | +        """ | 
|  | 167 | +        if not any(c.value == component_state for c in ComponentStateCode): | 
|  | 168 | +            return ComponentStateCode.UNSPECIFIED | 
|  | 169 | +        return cls(component_state) | 
|  | 170 | + | 
|  | 171 | +    def to_proto(self) -> PBComponentStateCode.ValueType: | 
|  | 172 | +        """Convert a ComponentStateCode enum to protobuf ComponentStateCode message. | 
|  | 173 | +
 | 
|  | 174 | +        Returns: | 
|  | 175 | +            Enum value corresponding to the protobuf message. | 
|  | 176 | +        """ | 
|  | 177 | +        return self.value | 
|  | 178 | + | 
|  | 179 | + | 
|  | 180 | +class ComponentErrorCode(Enum): | 
|  | 181 | +    """All possible errors that can occur across all microgrid component categories.""" | 
|  | 182 | + | 
|  | 183 | +    UNSPECIFIED = PBComponentErrorCode.COMPONENT_ERROR_CODE_UNSPECIFIED | 
|  | 184 | +    """Default value. No specific error is specified.""" | 
|  | 185 | + | 
|  | 186 | +    UNKNOWN = PBComponentErrorCode.COMPONENT_ERROR_CODE_UNKNOWN | 
|  | 187 | +    """The component is reporting an unknown or an undefined error, and the sender | 
|  | 188 | +    cannot parse the component error to any of the variants below.""" | 
|  | 189 | + | 
|  | 190 | +    SWITCH_ON_FAULT = PBComponentErrorCode.COMPONENT_ERROR_CODE_SWITCH_ON_FAULT | 
|  | 191 | +    """Error indicating that the component could not be switched on.""" | 
|  | 192 | + | 
|  | 193 | +    UNDERVOLTAGE = PBComponentErrorCode.COMPONENT_ERROR_CODE_UNDERVOLTAGE | 
|  | 194 | +    """Error indicating that the component is operating under the minimum rated | 
|  | 195 | +    voltage.""" | 
|  | 196 | + | 
|  | 197 | +    OVERVOLTAGE = PBComponentErrorCode.COMPONENT_ERROR_CODE_OVERVOLTAGE | 
|  | 198 | +    """Error indicating that the component is operating over the maximum rated | 
|  | 199 | +    voltage.""" | 
|  | 200 | + | 
|  | 201 | +    OVERCURRENT = PBComponentErrorCode.COMPONENT_ERROR_CODE_OVERCURRENT | 
|  | 202 | +    """Error indicating that the component is drawing more current than the | 
|  | 203 | +    maximum rated value.""" | 
|  | 204 | + | 
|  | 205 | +    OVERCURRENT_CHARGING = ( | 
|  | 206 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_OVERCURRENT_CHARGING | 
|  | 207 | +    ) | 
|  | 208 | +    """Error indicating that the component's consumption current is over the | 
|  | 209 | +    maximum rated value during charging.""" | 
|  | 210 | + | 
|  | 211 | +    OVERCURRENT_DISCHARGING = ( | 
|  | 212 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_OVERCURRENT_DISCHARGING | 
|  | 213 | +    ) | 
|  | 214 | +    """Error indicating that the component's production current is over the | 
|  | 215 | +    maximum rated value during discharging.""" | 
|  | 216 | + | 
|  | 217 | +    OVERTEMPERATURE = PBComponentErrorCode.COMPONENT_ERROR_CODE_OVERTEMPERATURE | 
|  | 218 | +    """Error indicating that the component is operating over the maximum rated | 
|  | 219 | +    temperature.""" | 
|  | 220 | + | 
|  | 221 | +    UNDERTEMPERATURE = PBComponentErrorCode.COMPONENT_ERROR_CODE_UNDERTEMPERATURE | 
|  | 222 | +    """Error indicating that the component is operating under the minimum rated | 
|  | 223 | +    temperature.""" | 
|  | 224 | + | 
|  | 225 | +    HIGH_HUMIDITY = PBComponentErrorCode.COMPONENT_ERROR_CODE_HIGH_HUMIDITY | 
|  | 226 | +    """Error indicating that the component is exposed to high humidity levels over | 
|  | 227 | +    the maximum rated value.""" | 
|  | 228 | + | 
|  | 229 | +    FUSE_ERROR = PBComponentErrorCode.COMPONENT_ERROR_CODE_FUSE_ERROR | 
|  | 230 | +    """Error indicating that the component's fuse has blown.""" | 
|  | 231 | + | 
|  | 232 | +    PRECHARGE_ERROR = PBComponentErrorCode.COMPONENT_ERROR_CODE_PRECHARGE_ERROR | 
|  | 233 | +    """Error indicating that the component's precharge unit has failed.""" | 
|  | 234 | + | 
|  | 235 | +    PLAUSIBILITY_ERROR = PBComponentErrorCode.COMPONENT_ERROR_CODE_PLAUSIBILITY_ERROR | 
|  | 236 | +    """Error indicating plausibility issues within the system involving this | 
|  | 237 | +    component.""" | 
|  | 238 | + | 
|  | 239 | +    UNDERVOLTAGE_SHUTDOWN = ( | 
|  | 240 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_UNDERVOLTAGE_SHUTDOWN | 
|  | 241 | +    ) | 
|  | 242 | +    """Error indicating system shutdown due to undervoltage involving this | 
|  | 243 | +    component.""" | 
|  | 244 | + | 
|  | 245 | +    EV_UNEXPECTED_PILOT_FAILURE = ( | 
|  | 246 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_EV_UNEXPECTED_PILOT_FAILURE | 
|  | 247 | +    ) | 
|  | 248 | +    """Error indicating unexpected pilot failure in an electric vehicle (EV) | 
|  | 249 | +    component.""" | 
|  | 250 | + | 
|  | 251 | +    FAULT_CURRENT = PBComponentErrorCode.COMPONENT_ERROR_CODE_FAULT_CURRENT | 
|  | 252 | +    """Error indicating fault current detected in the component.""" | 
|  | 253 | + | 
|  | 254 | +    SHORT_CIRCUIT = PBComponentErrorCode.COMPONENT_ERROR_CODE_SHORT_CIRCUIT | 
|  | 255 | +    """Error indicating a short circuit detected in the component.""" | 
|  | 256 | + | 
|  | 257 | +    CONFIG_ERROR = PBComponentErrorCode.COMPONENT_ERROR_CODE_CONFIG_ERROR | 
|  | 258 | +    """Error indicating a configuration error related to the component.""" | 
|  | 259 | + | 
|  | 260 | +    ILLEGAL_COMPONENT_STATE_CODE_REQUESTED = ( | 
|  | 261 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_ILLEGAL_COMPONENT_STATE_CODE_REQUESTED | 
|  | 262 | +    ) | 
|  | 263 | +    """Error indicating an illegal state requested for the component.""" | 
|  | 264 | + | 
|  | 265 | +    HARDWARE_INACCESSIBLE = ( | 
|  | 266 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_HARDWARE_INACCESSIBLE | 
|  | 267 | +    ) | 
|  | 268 | +    """Error indicating that the hardware of the component is inaccessible.""" | 
|  | 269 | + | 
|  | 270 | +    INTERNAL = PBComponentErrorCode.COMPONENT_ERROR_CODE_INTERNAL | 
|  | 271 | +    """Error indicating an internal error within the component.""" | 
|  | 272 | + | 
|  | 273 | +    UNAUTHORIZED = PBComponentErrorCode.COMPONENT_ERROR_CODE_UNAUTHORIZED | 
|  | 274 | +    """Error indicating that the component is unauthorized to perform the | 
|  | 275 | +    last requested action.""" | 
|  | 276 | + | 
|  | 277 | +    EV_CHARGING_CABLE_UNPLUGGED_FROM_STATION = ( | 
|  | 278 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_EV_CHARGING_CABLE_UNPLUGGED_FROM_STATION | 
|  | 279 | +    ) | 
|  | 280 | +    """Error indicating electric vehicle (EV) cable was abruptly unplugged from | 
|  | 281 | +    the charging station.""" | 
|  | 282 | + | 
|  | 283 | +    EV_CHARGING_CABLE_UNPLUGGED_FROM_EV = ( | 
|  | 284 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_EV_CHARGING_CABLE_UNPLUGGED_FROM_EV | 
|  | 285 | +    ) | 
|  | 286 | +    """Error indicating electric vehicle (EV) cable was abruptly unplugged from | 
|  | 287 | +    the vehicle.""" | 
|  | 288 | + | 
|  | 289 | +    EV_CHARGING_CABLE_LOCK_FAILED = ( | 
|  | 290 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_EV_CHARGING_CABLE_LOCK_FAILED | 
|  | 291 | +    ) | 
|  | 292 | +    """Error indicating electric vehicle (EV) cable lock failure.""" | 
|  | 293 | + | 
|  | 294 | +    EV_CHARGING_CABLE_INVALID = ( | 
|  | 295 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_EV_CHARGING_CABLE_INVALID | 
|  | 296 | +    ) | 
|  | 297 | +    """Error indicating an invalid electric vehicle (EV) cable.""" | 
|  | 298 | + | 
|  | 299 | +    EV_CONSUMER_INCOMPATIBLE = ( | 
|  | 300 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_EV_CONSUMER_INCOMPATIBLE | 
|  | 301 | +    ) | 
|  | 302 | +    """Error indicating an incompatible electric vehicle (EV) plug.""" | 
|  | 303 | + | 
|  | 304 | +    BATTERY_IMBALANCE = PBComponentErrorCode.COMPONENT_ERROR_CODE_BATTERY_IMBALANCE | 
|  | 305 | +    """Error indicating a battery system imbalance.""" | 
|  | 306 | + | 
|  | 307 | +    BATTERY_LOW_SOH = PBComponentErrorCode.COMPONENT_ERROR_CODE_BATTERY_LOW_SOH | 
|  | 308 | +    """Error indicating a low state of health (SOH) detected in the battery.""" | 
|  | 309 | + | 
|  | 310 | +    BATTERY_BLOCK_ERROR = PBComponentErrorCode.COMPONENT_ERROR_CODE_BATTERY_BLOCK_ERROR | 
|  | 311 | +    """Error indicating a battery block error.""" | 
|  | 312 | + | 
|  | 313 | +    BATTERY_CONTROLLER_ERROR = ( | 
|  | 314 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_BATTERY_CONTROLLER_ERROR | 
|  | 315 | +    ) | 
|  | 316 | +    """Error indicating a battery controller error.""" | 
|  | 317 | + | 
|  | 318 | +    BATTERY_RELAY_ERROR = PBComponentErrorCode.COMPONENT_ERROR_CODE_BATTERY_RELAY_ERROR | 
|  | 319 | +    """Error indicating a battery relay error.""" | 
|  | 320 | + | 
|  | 321 | +    BATTERY_CALIBRATION_NEEDED = ( | 
|  | 322 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_BATTERY_CALIBRATION_NEEDED | 
|  | 323 | +    ) | 
|  | 324 | +    """Error indicating that battery calibration is needed.""" | 
|  | 325 | + | 
|  | 326 | +    RELAY_CYCLE_LIMIT_REACHED = ( | 
|  | 327 | +        PBComponentErrorCode.COMPONENT_ERROR_CODE_RELAY_CYCLE_LIMIT_REACHED | 
|  | 328 | +    ) | 
|  | 329 | +    """Error indicating that the relays have been cycled for the maximum number of | 
|  | 330 | +    times.""" | 
|  | 331 | + | 
|  | 332 | +    @classmethod | 
|  | 333 | +    def from_proto( | 
|  | 334 | +        cls, component_error_code: PBComponentErrorCode.ValueType | 
|  | 335 | +    ) -> ComponentErrorCode: | 
|  | 336 | +        """Convert a protobuf ComponentErrorCode message to ComponentErrorCode enum. | 
|  | 337 | +
 | 
|  | 338 | +        Args: | 
|  | 339 | +            component_error_code: protobuf enum to convert | 
|  | 340 | +
 | 
|  | 341 | +        Returns: | 
|  | 342 | +            Enum value corresponding to the protobuf message. | 
|  | 343 | +        """ | 
|  | 344 | +        if not any(c.value == component_error_code for c in ComponentErrorCode): | 
|  | 345 | +            return ComponentErrorCode.UNSPECIFIED | 
|  | 346 | +        return cls(component_error_code) | 
|  | 347 | + | 
|  | 348 | +    def to_proto(self) -> PBComponentErrorCode.ValueType: | 
|  | 349 | +        """Convert a ComponentErrorCode enum to protobuf ComponentErrorCode message. | 
|  | 350 | +
 | 
|  | 351 | +        Returns: | 
|  | 352 | +            Enum value corresponding to the protobuf message. | 
|  | 353 | +        """ | 
|  | 354 | +        return self.value | 
0 commit comments