+ public static buildMeterValue(
+ chargingStation: ChargingStation,
+ connectorId: number,
+ transactionId: number,
+ interval: number,
+ debug = false
+ ): OCPP16MeterValue {
+ const meterValue: OCPP16MeterValue = {
+ timestamp: new Date().toISOString(),
+ sampledValue: [],
+ };
+ const connector = chargingStation.getConnectorStatus(connectorId);
+ // SoC measurand
+ const socSampledValueTemplate = chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.STATE_OF_CHARGE
+ );
+ if (socSampledValueTemplate) {
+ const socSampledValueTemplateValue = socSampledValueTemplate.value
+ ? Utils.getRandomFloatFluctuatedRounded(
+ parseInt(socSampledValueTemplate.value),
+ socSampledValueTemplate.fluctuationPercent ?? Constants.DEFAULT_FLUCTUATION_PERCENT
+ )
+ : Utils.getRandomInteger(100);
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(socSampledValueTemplate, socSampledValueTemplateValue)
+ );
+ const sampledValuesIndex = meterValue.sampledValue.length - 1;
+ if (Utils.convertToInt(meterValue.sampledValue[sampledValuesIndex].value) > 100 || debug) {
+ logger.error(
+ `${chargingStation.logPrefix()} MeterValues measurand ${
+ meterValue.sampledValue[sampledValuesIndex].measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+ meterValue.sampledValue[sampledValuesIndex].value
+ }/100`
+ );
+ }
+ }
+ // Voltage measurand
+ const voltageSampledValueTemplate = chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.VOLTAGE
+ );
+ if (voltageSampledValueTemplate) {
+ const voltageSampledValueTemplateValue = voltageSampledValueTemplate.value
+ ? parseInt(voltageSampledValueTemplate.value)
+ : chargingStation.getVoltageOut();
+ const fluctuationPercent =
+ voltageSampledValueTemplate.fluctuationPercent ?? Constants.DEFAULT_FLUCTUATION_PERCENT;
+ const voltageMeasurandValue = Utils.getRandomFloatFluctuatedRounded(
+ voltageSampledValueTemplateValue,
+ fluctuationPercent
+ );
+ if (
+ chargingStation.getNumberOfPhases() !== 3 ||
+ (chargingStation.getNumberOfPhases() === 3 && chargingStation.getMainVoltageMeterValues())
+ ) {
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(voltageSampledValueTemplate, voltageMeasurandValue)
+ );
+ }
+ for (
+ let phase = 1;
+ chargingStation.getNumberOfPhases() === 3 && phase <= chargingStation.getNumberOfPhases();
+ phase++
+ ) {
+ const phaseLineToNeutralValue = `L${phase}-N`;
+ const voltagePhaseLineToNeutralSampledValueTemplate =
+ chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.VOLTAGE,
+ phaseLineToNeutralValue as OCPP16MeterValuePhase
+ );
+ let voltagePhaseLineToNeutralMeasurandValue: number;
+ if (voltagePhaseLineToNeutralSampledValueTemplate) {
+ const voltagePhaseLineToNeutralSampledValueTemplateValue =
+ voltagePhaseLineToNeutralSampledValueTemplate.value
+ ? parseInt(voltagePhaseLineToNeutralSampledValueTemplate.value)
+ : chargingStation.getVoltageOut();
+ const fluctuationPhaseToNeutralPercent =
+ voltagePhaseLineToNeutralSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT;
+ voltagePhaseLineToNeutralMeasurandValue = Utils.getRandomFloatFluctuatedRounded(
+ voltagePhaseLineToNeutralSampledValueTemplateValue,
+ fluctuationPhaseToNeutralPercent
+ );
+ }
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ voltagePhaseLineToNeutralSampledValueTemplate ?? voltageSampledValueTemplate,
+ voltagePhaseLineToNeutralMeasurandValue ?? voltageMeasurandValue,
+ null,
+ phaseLineToNeutralValue as OCPP16MeterValuePhase
+ )
+ );
+ if (chargingStation.getPhaseLineToLineVoltageMeterValues()) {
+ const phaseLineToLineValue = `L${phase}-L${
+ (phase + 1) % chargingStation.getNumberOfPhases() !== 0
+ ? (phase + 1) % chargingStation.getNumberOfPhases()
+ : chargingStation.getNumberOfPhases()
+ }`;
+ const voltagePhaseLineToLineSampledValueTemplate =
+ chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.VOLTAGE,
+ phaseLineToLineValue as OCPP16MeterValuePhase
+ );
+ let voltagePhaseLineToLineMeasurandValue: number;
+ if (voltagePhaseLineToLineSampledValueTemplate) {
+ const voltagePhaseLineToLineSampledValueTemplateValue =
+ voltagePhaseLineToLineSampledValueTemplate.value
+ ? parseInt(voltagePhaseLineToLineSampledValueTemplate.value)
+ : Voltage.VOLTAGE_400;
+ const fluctuationPhaseLineToLinePercent =
+ voltagePhaseLineToLineSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT;
+ voltagePhaseLineToLineMeasurandValue = Utils.getRandomFloatFluctuatedRounded(
+ voltagePhaseLineToLineSampledValueTemplateValue,
+ fluctuationPhaseLineToLinePercent
+ );
+ }
+ const defaultVoltagePhaseLineToLineMeasurandValue = Utils.getRandomFloatFluctuatedRounded(
+ Voltage.VOLTAGE_400,
+ fluctuationPercent
+ );
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ voltagePhaseLineToLineSampledValueTemplate ?? voltageSampledValueTemplate,
+ voltagePhaseLineToLineMeasurandValue ?? defaultVoltagePhaseLineToLineMeasurandValue,
+ null,
+ phaseLineToLineValue as OCPP16MeterValuePhase
+ )
+ );
+ }
+ }
+ }
+ // Power.Active.Import measurand
+ const powerSampledValueTemplate = chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT
+ );
+ let powerPerPhaseSampledValueTemplates: MeasurandPerPhaseSampledValueTemplates = {};
+ if (chargingStation.getNumberOfPhases() === 3) {
+ powerPerPhaseSampledValueTemplates = {
+ L1: chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT,
+ OCPP16MeterValuePhase.L1_N
+ ),
+ L2: chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT,
+ OCPP16MeterValuePhase.L2_N
+ ),
+ L3: chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.POWER_ACTIVE_IMPORT,
+ OCPP16MeterValuePhase.L3_N
+ ),
+ };
+ }
+ if (powerSampledValueTemplate) {
+ OCPP16ServiceUtils.checkMeasurandPowerDivider(
+ chargingStation,
+ powerSampledValueTemplate.measurand
+ );
+ const errMsg = `${chargingStation.logPrefix()} MeterValues measurand ${
+ powerSampledValueTemplate.measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: Unknown ${chargingStation.getCurrentOutType()} currentOutType in template file ${
+ chargingStation.templateFile
+ }, cannot calculate ${
+ powerSampledValueTemplate.measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ } measurand value`;
+ const powerMeasurandValues = {} as MeasurandValues;
+ const unitDivider = powerSampledValueTemplate?.unit === MeterValueUnit.KILO_WATT ? 1000 : 1;
+ const connectorMaximumPower = Math.round(
+ chargingStation.getConnectorMaximumAvailablePower(connectorId)
+ );
+ const connectorMaximumPowerPerPhase = Math.round(
+ chargingStation.getConnectorMaximumAvailablePower(connectorId) /
+ chargingStation.getNumberOfPhases()
+ );
+ switch (chargingStation.getCurrentOutType()) {
+ case CurrentType.AC:
+ if (chargingStation.getNumberOfPhases() === 3) {
+ const defaultFluctuatedPowerPerPhase =
+ powerSampledValueTemplate.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(powerSampledValueTemplate.value) / chargingStation.getNumberOfPhases(),
+ powerSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ const phase1FluctuatedValue =
+ powerPerPhaseSampledValueTemplates?.L1?.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(powerPerPhaseSampledValueTemplates.L1.value),
+ powerPerPhaseSampledValueTemplates.L1.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ const phase2FluctuatedValue =
+ powerPerPhaseSampledValueTemplates?.L2?.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(powerPerPhaseSampledValueTemplates.L2.value),
+ powerPerPhaseSampledValueTemplates.L2.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ const phase3FluctuatedValue =
+ powerPerPhaseSampledValueTemplates?.L3?.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(powerPerPhaseSampledValueTemplates.L3.value),
+ powerPerPhaseSampledValueTemplates.L3.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ powerMeasurandValues.L1 =
+ phase1FluctuatedValue ??
+ defaultFluctuatedPowerPerPhase ??
+ Utils.getRandomFloatRounded(connectorMaximumPowerPerPhase / unitDivider);
+ powerMeasurandValues.L2 =
+ phase2FluctuatedValue ??
+ defaultFluctuatedPowerPerPhase ??
+ Utils.getRandomFloatRounded(connectorMaximumPowerPerPhase / unitDivider);
+ powerMeasurandValues.L3 =
+ phase3FluctuatedValue ??
+ defaultFluctuatedPowerPerPhase ??
+ Utils.getRandomFloatRounded(connectorMaximumPowerPerPhase / unitDivider);
+ } else {
+ powerMeasurandValues.L1 = powerSampledValueTemplate.value
+ ? Utils.getRandomFloatFluctuatedRounded(
+ parseInt(powerSampledValueTemplate.value),
+ powerSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ )
+ : Utils.getRandomFloatRounded(connectorMaximumPower / unitDivider);
+ powerMeasurandValues.L2 = 0;
+ powerMeasurandValues.L3 = 0;
+ }
+ powerMeasurandValues.allPhases = Utils.roundTo(
+ powerMeasurandValues.L1 + powerMeasurandValues.L2 + powerMeasurandValues.L3,
+ 2
+ );
+ break;
+ case CurrentType.DC:
+ powerMeasurandValues.allPhases = powerSampledValueTemplate.value
+ ? Utils.getRandomFloatFluctuatedRounded(
+ parseInt(powerSampledValueTemplate.value),
+ powerSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ )
+ : Utils.getRandomFloatRounded(connectorMaximumPower / unitDivider);
+ break;
+ default:
+ logger.error(errMsg);
+ throw new OCPPError(ErrorType.INTERNAL_ERROR, errMsg, OCPP16RequestCommand.METER_VALUES);
+ }
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ powerSampledValueTemplate,
+ powerMeasurandValues.allPhases
+ )
+ );
+ const sampledValuesIndex = meterValue.sampledValue.length - 1;
+ const connectorMaximumPowerRounded = Utils.roundTo(connectorMaximumPower / unitDivider, 2);
+ if (
+ Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) >
+ connectorMaximumPowerRounded ||
+ debug
+ ) {
+ logger.error(
+ `${chargingStation.logPrefix()} MeterValues measurand ${
+ meterValue.sampledValue[sampledValuesIndex].measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+ meterValue.sampledValue[sampledValuesIndex].value
+ }/${connectorMaximumPowerRounded}`
+ );
+ }
+ for (
+ let phase = 1;
+ chargingStation.getNumberOfPhases() === 3 && phase <= chargingStation.getNumberOfPhases();
+ phase++
+ ) {
+ const phaseValue = `L${phase}-N`;
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ (powerPerPhaseSampledValueTemplates[`L${phase}`] as SampledValueTemplate) ??
+ powerSampledValueTemplate,
+ powerMeasurandValues[`L${phase}`] as number,
+ null,
+ phaseValue as OCPP16MeterValuePhase
+ )
+ );
+ const sampledValuesPerPhaseIndex = meterValue.sampledValue.length - 1;
+ const connectorMaximumPowerPerPhaseRounded = Utils.roundTo(
+ connectorMaximumPowerPerPhase / unitDivider,
+ 2
+ );
+ if (
+ Utils.convertToFloat(meterValue.sampledValue[sampledValuesPerPhaseIndex].value) >
+ connectorMaximumPowerPerPhaseRounded ||
+ debug
+ ) {
+ logger.error(
+ `${chargingStation.logPrefix()} MeterValues measurand ${
+ meterValue.sampledValue[sampledValuesPerPhaseIndex].measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: phase ${
+ meterValue.sampledValue[sampledValuesPerPhaseIndex].phase
+ }, connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+ meterValue.sampledValue[sampledValuesPerPhaseIndex].value
+ }/${connectorMaximumPowerPerPhaseRounded}`
+ );
+ }
+ }
+ }
+ // Current.Import measurand
+ const currentSampledValueTemplate = chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.CURRENT_IMPORT
+ );
+ let currentPerPhaseSampledValueTemplates: MeasurandPerPhaseSampledValueTemplates = {};
+ if (chargingStation.getNumberOfPhases() === 3) {
+ currentPerPhaseSampledValueTemplates = {
+ L1: chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.CURRENT_IMPORT,
+ OCPP16MeterValuePhase.L1
+ ),
+ L2: chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.CURRENT_IMPORT,
+ OCPP16MeterValuePhase.L2
+ ),
+ L3: chargingStation.getSampledValueTemplate(
+ connectorId,
+ OCPP16MeterValueMeasurand.CURRENT_IMPORT,
+ OCPP16MeterValuePhase.L3
+ ),
+ };
+ }
+ if (currentSampledValueTemplate) {
+ OCPP16ServiceUtils.checkMeasurandPowerDivider(
+ chargingStation,
+ currentSampledValueTemplate.measurand
+ );
+ const errMsg = `${chargingStation.logPrefix()} MeterValues measurand ${
+ currentSampledValueTemplate.measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: Unknown ${chargingStation.getCurrentOutType()} currentOutType in template file ${
+ chargingStation.templateFile
+ }, cannot calculate ${
+ currentSampledValueTemplate.measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ } measurand value`;
+ const currentMeasurandValues: MeasurandValues = {} as MeasurandValues;
+ let connectorMaximumAmperage: number;
+ switch (chargingStation.getCurrentOutType()) {
+ case CurrentType.AC:
+ connectorMaximumAmperage = ACElectricUtils.amperagePerPhaseFromPower(
+ chargingStation.getNumberOfPhases(),
+ chargingStation.getConnectorMaximumAvailablePower(connectorId),
+ chargingStation.getVoltageOut()
+ );
+ if (chargingStation.getNumberOfPhases() === 3) {
+ const defaultFluctuatedAmperagePerPhase =
+ currentSampledValueTemplate.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(currentSampledValueTemplate.value),
+ currentSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ const phase1FluctuatedValue =
+ currentPerPhaseSampledValueTemplates?.L1?.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(currentPerPhaseSampledValueTemplates.L1.value),
+ currentPerPhaseSampledValueTemplates.L1.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ const phase2FluctuatedValue =
+ currentPerPhaseSampledValueTemplates?.L2?.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(currentPerPhaseSampledValueTemplates.L2.value),
+ currentPerPhaseSampledValueTemplates.L2.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ const phase3FluctuatedValue =
+ currentPerPhaseSampledValueTemplates?.L3?.value &&
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(currentPerPhaseSampledValueTemplates.L3.value),
+ currentPerPhaseSampledValueTemplates.L3.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ );
+ currentMeasurandValues.L1 =
+ phase1FluctuatedValue ??
+ defaultFluctuatedAmperagePerPhase ??
+ Utils.getRandomFloatRounded(connectorMaximumAmperage);
+ currentMeasurandValues.L2 =
+ phase2FluctuatedValue ??
+ defaultFluctuatedAmperagePerPhase ??
+ Utils.getRandomFloatRounded(connectorMaximumAmperage);
+ currentMeasurandValues.L3 =
+ phase3FluctuatedValue ??
+ defaultFluctuatedAmperagePerPhase ??
+ Utils.getRandomFloatRounded(connectorMaximumAmperage);
+ } else {
+ currentMeasurandValues.L1 = currentSampledValueTemplate.value
+ ? Utils.getRandomFloatFluctuatedRounded(
+ parseInt(currentSampledValueTemplate.value),
+ currentSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ )
+ : Utils.getRandomFloatRounded(connectorMaximumAmperage);
+ currentMeasurandValues.L2 = 0;
+ currentMeasurandValues.L3 = 0;
+ }
+ currentMeasurandValues.allPhases = Utils.roundTo(
+ (currentMeasurandValues.L1 + currentMeasurandValues.L2 + currentMeasurandValues.L3) /
+ chargingStation.getNumberOfPhases(),
+ 2
+ );
+ break;
+ case CurrentType.DC:
+ connectorMaximumAmperage = DCElectricUtils.amperage(
+ chargingStation.getConnectorMaximumAvailablePower(connectorId),
+ chargingStation.getVoltageOut()
+ );
+ currentMeasurandValues.allPhases = currentSampledValueTemplate.value
+ ? Utils.getRandomFloatFluctuatedRounded(
+ parseInt(currentSampledValueTemplate.value),
+ currentSampledValueTemplate.fluctuationPercent ??
+ Constants.DEFAULT_FLUCTUATION_PERCENT
+ )
+ : Utils.getRandomFloatRounded(connectorMaximumAmperage);
+ break;
+ default:
+ logger.error(errMsg);
+ throw new OCPPError(ErrorType.INTERNAL_ERROR, errMsg, OCPP16RequestCommand.METER_VALUES);
+ }
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ currentSampledValueTemplate,
+ currentMeasurandValues.allPhases
+ )
+ );
+ const sampledValuesIndex = meterValue.sampledValue.length - 1;
+ if (
+ Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) >
+ connectorMaximumAmperage ||
+ debug
+ ) {
+ logger.error(
+ `${chargingStation.logPrefix()} MeterValues measurand ${
+ meterValue.sampledValue[sampledValuesIndex].measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+ meterValue.sampledValue[sampledValuesIndex].value
+ }/${connectorMaximumAmperage}`
+ );
+ }
+ for (
+ let phase = 1;
+ chargingStation.getNumberOfPhases() === 3 && phase <= chargingStation.getNumberOfPhases();
+ phase++
+ ) {
+ const phaseValue = `L${phase}`;
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ (currentPerPhaseSampledValueTemplates[phaseValue] as SampledValueTemplate) ??
+ currentSampledValueTemplate,
+ currentMeasurandValues[phaseValue] as number,
+ null,
+ phaseValue as OCPP16MeterValuePhase
+ )
+ );
+ const sampledValuesPerPhaseIndex = meterValue.sampledValue.length - 1;
+ if (
+ Utils.convertToFloat(meterValue.sampledValue[sampledValuesPerPhaseIndex].value) >
+ connectorMaximumAmperage ||
+ debug
+ ) {
+ logger.error(
+ `${chargingStation.logPrefix()} MeterValues measurand ${
+ meterValue.sampledValue[sampledValuesPerPhaseIndex].measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: phase ${
+ meterValue.sampledValue[sampledValuesPerPhaseIndex].phase
+ }, connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${
+ meterValue.sampledValue[sampledValuesPerPhaseIndex].value
+ }/${connectorMaximumAmperage}`
+ );
+ }
+ }
+ }
+ // Energy.Active.Import.Register measurand (default)
+ const energySampledValueTemplate = chargingStation.getSampledValueTemplate(connectorId);
+ if (energySampledValueTemplate) {
+ OCPP16ServiceUtils.checkMeasurandPowerDivider(
+ chargingStation,
+ energySampledValueTemplate.measurand
+ );
+ const unitDivider =
+ energySampledValueTemplate?.unit === MeterValueUnit.KILO_WATT_HOUR ? 1000 : 1;
+ const connectorMaximumEnergyRounded = Utils.roundTo(
+ (chargingStation.getConnectorMaximumAvailablePower(connectorId) * interval) / (3600 * 1000),
+ 2
+ );
+ const energyValueRounded = energySampledValueTemplate.value
+ ? // Cumulate the fluctuated value around the static one
+ Utils.getRandomFloatFluctuatedRounded(
+ parseInt(energySampledValueTemplate.value),
+ energySampledValueTemplate.fluctuationPercent ?? Constants.DEFAULT_FLUCTUATION_PERCENT
+ )
+ : Utils.getRandomFloatRounded(connectorMaximumEnergyRounded);
+ // Persist previous value on connector
+ if (
+ connector &&
+ !Utils.isNullOrUndefined(connector.energyActiveImportRegisterValue) &&
+ connector.energyActiveImportRegisterValue >= 0 &&
+ !Utils.isNullOrUndefined(connector.transactionEnergyActiveImportRegisterValue) &&
+ connector.transactionEnergyActiveImportRegisterValue >= 0
+ ) {
+ connector.energyActiveImportRegisterValue += energyValueRounded;
+ connector.transactionEnergyActiveImportRegisterValue += energyValueRounded;
+ } else {
+ connector.energyActiveImportRegisterValue = 0;
+ connector.transactionEnergyActiveImportRegisterValue = 0;
+ }
+ meterValue.sampledValue.push(
+ OCPP16ServiceUtils.buildSampledValue(
+ energySampledValueTemplate,
+ Utils.roundTo(
+ chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId) /
+ unitDivider,
+ 2
+ )
+ )
+ );
+ const sampledValuesIndex = meterValue.sampledValue.length - 1;
+ if (energyValueRounded > connectorMaximumEnergyRounded || debug) {
+ logger.error(
+ `${chargingStation.logPrefix()} MeterValues measurand ${
+ meterValue.sampledValue[sampledValuesIndex].measurand ??
+ OCPP16MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ }: connectorId ${connectorId}, transaction ${
+ connector.transactionId
+ }, value: ${energyValueRounded}/${connectorMaximumEnergyRounded}, duration: ${Utils.roundTo(
+ interval / (3600 * 1000),
+ 4
+ )}h`
+ );
+ }
+ }
+ return meterValue;
+ }
+
+ public static buildTransactionBeginMeterValue(
+ chargingStation: ChargingStation,
+ connectorId: number,
+ meterStart: number
+ ): OCPP16MeterValue {