+export const getAmperageLimitationUnitDivider = (stationInfo: ChargingStationInfo): number => {
+ let unitDivider = 1;
+ switch (stationInfo.amperageLimitationUnit) {
+ case AmpereUnits.DECI_AMPERE:
+ unitDivider = 10;
+ break;
+ case AmpereUnits.CENTI_AMPERE:
+ unitDivider = 100;
+ break;
+ case AmpereUnits.MILLI_AMPERE:
+ unitDivider = 1000;
+ break;
+ }
+ return unitDivider;
+};
+
+export const getChargingStationConnectorChargingProfilesPowerLimit = (
+ chargingStation: ChargingStation,
+ connectorId: number,
+): number | undefined => {
+ let limit: number | undefined, matchingChargingProfile: ChargingProfile | undefined;
+ // Get charging profiles for connector and sort by stack level
+ const chargingProfiles =
+ cloneObject<ChargingProfile[]>(
+ chargingStation.getConnectorStatus(connectorId)!.chargingProfiles!,
+ )?.sort((a, b) => b.stackLevel - a.stackLevel) ?? [];
+ // Get profiles on connector 0
+ if (chargingStation.getConnectorStatus(0)?.chargingProfiles) {
+ chargingProfiles.push(
+ ...cloneObject<ChargingProfile[]>(
+ chargingStation.getConnectorStatus(0)!.chargingProfiles!,
+ ).sort((a, b) => b.stackLevel - a.stackLevel),
+ );
+ }
+ if (isNotEmptyArray(chargingProfiles)) {
+ const result = getLimitFromChargingProfiles(chargingProfiles, chargingStation.logPrefix());
+ if (!isNullOrUndefined(result)) {
+ limit = result?.limit;
+ matchingChargingProfile = result?.matchingChargingProfile;
+ switch (chargingStation.getCurrentOutType()) {
+ case CurrentType.AC:
+ limit =
+ matchingChargingProfile?.chargingSchedule?.chargingRateUnit ===
+ ChargingRateUnitType.WATT
+ ? limit
+ : ACElectricUtils.powerTotal(
+ chargingStation.getNumberOfPhases(),
+ chargingStation.getVoltageOut(),
+ limit!,
+ );
+ break;
+ case CurrentType.DC:
+ limit =
+ matchingChargingProfile?.chargingSchedule?.chargingRateUnit ===
+ ChargingRateUnitType.WATT
+ ? limit
+ : DCElectricUtils.power(chargingStation.getVoltageOut(), limit!);
+ }
+ const connectorMaximumPower =
+ chargingStation.getMaximumPower() / chargingStation.powerDivider;
+ if (limit! > connectorMaximumPower) {
+ logger.error(
+ `${chargingStation.logPrefix()} Charging profile id ${matchingChargingProfile?.chargingProfileId} limit ${limit} is greater than connector id ${connectorId} maximum ${connectorMaximumPower}: %j`,
+ result,
+ );
+ limit = connectorMaximumPower;
+ }