Initial integration of a calibrated System in a DC ...

InitialintegrationofacalibratedEnergyMeasurementSystemina

DCsuburbantractionunit

Leipzig,26‐10‐2012

‐ TROLLEYSummerUniversity‐

Fakultät Verkehrswissenschaften „Friedrich List“, Professur Elektrische Bahnen

Faculty of Transportation and Traffic Sciences „Friedrich List“, Chair for Electric Railways

Leipzig, 26-10-2012 TROLLEY Summer University 2

STRUCTURE

1 Motivation&Aim

2 Specificcharacteristiccofsuburbantractionunits

3 ComponentsoftheEMS

4 IntegrationoftheEMSinatractionunitoftheseries474

0 Introduction



FrankHartung:• studiesatTUDresden(transportengineering)• specialization:planningandoperatingof

electricaltransportationsystems• 2009– June2012researchassistantatthePTB• SinceJuly2012researchassistantattheChairof

ElectricRailways(Prof.Stephan)

ScientificFieldsoftheChair:

• SystemsLaboratoryforRailwayVehicles• RailwayOperationSimulationPrograms

0INTRODUCTION

Systems Laboratory for Railway Vehicles



Upto2001theDeutscheBahncalculatedtheenergyconsumptionofeachtractionunitwithaspecialprogramm

Since2003theDeutscheBahnfitstheirelectricvehicleswithremotelyreadableenergymeterscalledTEMA‐Boxen(onlyenergymeasurementforAC)

Forcross‐bordertrafficandthesuburbanrailwaysystemsinBerlinandHamburgenergymeasurmentforDCisnecessary

Advantages: • Exactmeasurementoftheenergyconsumption• Measurementandbillingoftheregeneratedenergy• Evaluationofenergysavings

• Calculationoftransmissionlosses betweensubstationandtractionunitDisadvantages: • Higherinvestmentandmaintenancecosts

Problems: Endof2011changeintheresponsibilityfortheapprovalofonboardenergymeasurementsystems

NonormativereferenceforDCenergymeasurmentsystemsatthemoment(EN50463isininpreparation ,planned

publication2013)

forDCenergymeaserementsystemstheirisnoapprovalprocedurebythenotifiedbody

1MOTIVATION &AIM



COOPERATION

Development

ADDITIONAL: CollaborationinthestandardcommitteeforthenewEN50463

1MOTIVATION&AIM

Designofaprototypewithcomponents(sensors,meter)whichareavailableonthemarket

DevelopmentanddesignDC‐metrologyfortypeapprovalandverificationoftheEMScomponents

PerformanceofaccuracytestswiththecomponentsoftheEMS

InitialinstallationoftheEMSatS‐BahnHamburg

Concept of an onboard EnergyMeasurement System for a DCsuburban train, which is suitable forcalibration and in accordance withthe new EN 50463 standard



• Powersupplyofthevehicleviacurrentcollectorswhicharelocatedattheside

• Largenumberofcurrentcollectors(4upto8)

• Allelectriccomponentsarearrangedunderthefloorsothereisaminimumplaceforadditionalcomponents

Challenge:

Rightmeasurementoftheenergycomsumptionandtheregeneratedenergy

FindinstallationpointsonthevehiclewherethecomponentsoftheEMScanbeinstalled

2Specialcharacteristicsofsuburbantractionunits

Vehicle of the Series 474



3ComponentsoftheenergymeasurementsystemsMeasurementblockconsistsof:

Nominalratioofthetransducersandnominalvaluesoftheenergymeter

‐ DV2000 ratio2000V/50mA‐ ITC4000 ratio4000A/1,6A

‐ EM4T ratedvoltage:37,5mAratedcurrent:800mA

voltagetransducderDV2000 currenttransducerITC4000 energymeterEM4T



EUT Measurement standard

3ComponentsoftheEMS

Teststationforaccuracytests– CURRENTTRANSDUCERS

2-channel-switch



Measuredvaluesoftheaccuracytests– CURRENTTRANSDUCERS(accuracyclass0,5R)Range‐2500Aupto2500A

Percentage error & uncertainty of measurement current transducer S1102770035Percentage error & uncertainty of measurement current transducer S1102880049

3ComponentsoftheEMS

ITC4000Ser.Nr.1102770035

ITC4000Ser.Nr.1102880049



PC with calibration software

Ethernet control of the measurement devices Trigger signal for the simultaneous voltage measurement

DVM 2

DVM 1

DVM digital voltmeter HV high voltage EUT equipment under test

HV-Source

voltage divider

EUT 1 EUT 10

15-24 V DC

15-24 V DCAuxiliary Supply

Teststationforaccuracytests– VOLTAGETRANSDUCERS

3ComponentsoftheEMS



Measuredvaluesoftheaccuracytests– VOLTAGETRANSDUCERS(accuracyclass0,5R)Range‐2600Vupto2600V

3ComponentsoftheEMS

DV2000Ser.Nr.1112340001

DV2000Ser.Nr.113320001



Measuredvaluesoftheaccuracytests– ENERGYMETERS(accuracyclass1,0R)

3ComponentsoftheEMS

• Testmadeat3voltages(Umin1,Un,Umax2)givenbytheEN50163• BlackvaluesaretheresultsfortheaccuracytestsrequiredbythenewEN50463fortheroutine

test

EM4TSer.‐Nr113100003 EM4TSer.‐Nr113100004



Simplifiedmaincurrentcircuitvehiclesseries474

• Vehicleconsistsof3cars…2endcarsand1middlecar

• Bothendcarshavethesameelectricalandmechanicallayout

• Onlythebogiesoftheendcarshavetractionmotors

4IntegrationoftheEMSinatractionunitoftheseries474



4IntegrationoftheEMSinatractionunitseries474

installationpointforcurrentandvoltagetransducerinanendcaroftheseries474

mainswitch Charging&maincontactor

totheconverters

installationpointforenergymeterinanendcaroftheseries474

Energymeter

Container

Installationnotfinishedyet,becausetheprojectendsbeforetheinstallationwascompleted

TheDBplanstoinstallanEMSatthetractionunitsatS‐BahnHamburg&Berlin



Thankyouforyourattention.

postaladdress: Dipl.Ing.FrankHartungTechnischeUniversitätDresdenInstitutfürBahnfahrzeugeundBahntechnikProfessurElektrischeBahnenHettnerstrasse1‐3D‐01062Dresden

Telefon +49351463‐36737Fax +49351463‐36825E‐Mail frank.hartung@tu‐dresden.de

Initial integration of a calibrated System in a DC ...

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