1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 23274-1:2013Hybrid-electric road vehicles Exhaust emissions and fuelconsumption measurementsPart 1: Non-externally chargeable vehiclesBS ISO 23274-1:2013 BRITISH STANDARDN
2、ational forewordThis British Standard is the UK implementation of ISO 23274-1:2013.Together with BS ISO 23274-2:2012, it supersedes BS ISO 23274:2007, which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/69, Electric vehicles.A list of organizations repr
3、esented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580
4、72192 2ICS 43.120Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2013.Amendments issued since publicationDate T e x t a f f e c t e dBS ISO 23274-1:2013
5、 ISO 2013Hybrid-electric road vehicles Exhaust emissions and fuel consumption measurements Part 1: Non-externally chargeable vehiclesVhicules routiers lectriques hybrides Mesurages des missions lchappement et de la consommation de carburant Partie 1: Vhicules non rechargeables par des moyens externe
6、sINTERNATIONAL STANDARDISO23274-1First edition2013-01-15Reference numberISO 23274-1:2013(E)BS ISO 23274-1:2013ISO 23274-1:2013(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utili
7、zed in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41
8、22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 23274-1:2013ISO 23274-1:2013(E) ISO 2013 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Test conditions and instrumentation . 34.1 Test conditions 34.2 Tes
9、t instrumentation . 45 Measurement of exhaust emissions and fuel consumption . 55.1 General . 55.2 Test procedure . 55.3 Correction of the test results 56 Calculations and expressions 6Annex A (informative) Test procedure in Japan 7Annex B (informative) Test procedure in Europe 11Annex C (informativ
10、e) Test procedure in North America 17Annex D (informative) Linear correction method using a correction coefficient 21Annex E (informative) Calculation of allowable range of RESS energy change .23Annex F (informative) Theory for the linear regression method 25Bibliography .27BS ISO 23274-1:2013ISO 23
11、274-1:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject f
12、or which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on
13、 all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are
14、 circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held res
15、ponsible for identifying any or all such patent rights.ISO 23274-1 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 21, Electrically propelled road vehicles.This first edition, together with ISO 23274-2, cancels and replaces ISO 23274:2007, which has been technically rev
16、ised.ISO 23274 consists of the following parts, under the general title Hybrid-electric road vehicles Exhaust emissions and fuel consumption measurements: Part 1: Non-externally chargeable vehicles Part 2: Externally chargeable vehiclesiv ISO 2013 All rights reservedBS ISO 23274-1:2013INTERNATIONAL
17、STANDARD ISO 23274-1:2013(E)Hybrid-electric road vehicles Exhaust emissions and fuel consumption measurements Part 1: Non-externally chargeable vehicles1 ScopeThis part of ISO 23274 specifies a chassis dynamometer test procedure to measure the exhaust emissions and the electric energy and fuel consu
18、mption for the vehicles.This part of ISO 23274 applies to vehicles with the following characteristics: the vehicle is classified as passenger cars or light duty trucks, as defined in each regional annex; the nominal energy of the rechargeable energy storage system (RESS) is at least 2 % of the total
19、 energy consumption over an applicable driving test (ADT); internal combustion engine (ICE) only using liquid fuels (for example, gasoline and diesel fuel).NOTE 1 In the case of the vehicles with ICE using other fuel for example, compressed natural gas (CNG), liquefied petroleum gas (LPG), hydrogen,
20、 this part of ISO 23274 can apply except the measurement of consumed fuel; otherwise the measurement method for those using the corresponding fuel can apply.This part of ISO 23274 proposes procedures for correcting the measured emissions and fuel consumption of hybrid electric vehicles (HEVs), in or
21、der to obtain the values when the battery state of charge (SOC) of the RESS does not remain the same between the beginning and the end of an ADT.It can also be applied to measurement procedures for exhaust emissions and fuel consumption of externally chargeable HEVs when a vehicle is not externally
22、charged and operated only in the charge sustaining (CS) state, as described in ISO 23274-2.NOTE 2 For CS state, see ISO 23274-2.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For u
23、ndated references, the latest edition of the referenced document (including any amendments) applies.ISO 10521 (all parts), Road vehicles Road loadISO/TR 8713, Electrically propelled road vehicles Vocabulary3 Terms and definitionsFor the purposes of this document, the terms and definitions given in I
24、SO/TR 8713 and the following apply. ISO 2013 All rights reserved 1BS ISO 23274-1:2013ISO 23274-1:2013(E)3.1applicable driving testADTsingle driving test schedule which is specified for each regionEXAMPLE Chassis dynamometer test cycle for light-duty vehicles in Japan (JC08), New European Driving Cyc
25、le (NEDC), Urban Dynamometer Driving Schedule (UDDS)3.2charge balance of batterychange of charge in battery during fuel consumption measurementNote 1 to entry: Normally expressed in ampere hours (Ah).3.3energy balance of batteryERESSchange of battery energy state during an applicable driving testNot
26、e 1 to entry: Normally expressed in watt hours (Wh).Note 2 to entry: For practical use, the energy balance of RESS is approximated by multiplying the charge balance of battery in ampere hours (Ah) by the nominal voltage in volts (V). Nominal voltage is defined in ISO 12405-1 or ISO 12405-2.3.4extern
27、ally chargeable HEVHEV with a rechargeable energy storage system (RESS) that is intended to be charged from an external electric energy sourceNote 1 to entry: External charge for the purpose of conditioning of the RESS is not included.Note 2 to entry: Externally chargeable HEVs are widely known as p
28、lug-in HEVs (PHEVs).3.5hybrid-electric vehicleHEVvehicle with both a rechargeable energy storage system (RESS) and a fuelled power source for propulsionEXAMPLE Internal combustion engine or fuel cell systems are typical types of fuelled power sources.3.6non-externally chargeable HEVHEV with a rechar
29、geable energy storage system (RESS) that is not intended to be charged from an external electric energy source3.7rated capacitysuppliers specification of the total number of ampere hours that can be withdrawn from a fully charged battery pack or system for a specified set of test conditions such as
30、discharge rate, temperature, discharge cut-off voltage, etc.3.8rechargeable energy storage systemRESSsystem that stores energy for delivery of electric energy and which is rechargeableEXAMPLE batteries or capacitors3.9regenerative brakingbraking with conversion of kinetic energy into electric energy
31、 for charging the RESS2 ISO 2013 All rights reservedBS ISO 23274-1:2013ISO 23274-1:2013(E)3.10state of chargeSOCavailable capacity in a battery pack or systemNote 1 to entry: Expressed as a percentage of rated capacity.4 Test conditions and instrumentation4.1 Test conditions4.1.1 GeneralFor test con
32、ditions, 4.1.2 to 4.1.4 apply. Otherwise, the regional standards or regulations (see Annex A, B or C, for example) apply.4.1.2 Ambient temperatureTests shall be conducted at ambient temperature of (25 5) C.4.1.3 Vehicle conditions4.1.3.1 Vehicle conditioningPrior to testing, the test vehicle with RE
33、SS shall be stabilized as specified by manufacturers, or the mileage shall be accumulated to above 3 000 km and less than 15 000 km.4.1.3.2 Vehicle appendagesVehicles shall be tested with normal appendages (mirrors, bumpers, etc.). When the vehicle is on the dynamometer, certain items (e.g. hub caps
34、) should be removed for reasons of safety, where necessary.4.1.3.3 Vehicle test massThe vehicle test mass shall be selected in accordance with the regional standards and/or regulations (see Annex A, B or C, for example).4.1.3.4 Tyres4.1.3.4.1 GeneralThe correctly rated tyres as recommended by the ve
35、hicle manufacturer shall be used.4.1.3.4.2 Tyre pressureThe vehicle tyres shall be inflated to the pressure specified by the vehicle manufacturer in accordance with the test chosen (track or chassis dynamometer).4.1.3.4.3 Tyre conditioningThe tyres shall be conditioned as recommended by the vehicle
36、manufacturer.4.1.3.5 LubricantsThe vehicle lubricants normally specified by the manufacturer shall be used. ISO 2013 All rights reserved 3BS ISO 23274-1:2013ISO 23274-1:2013(E)4.1.3.6 Gear shiftingIf the vehicle is fitted with a manually shifted gear box, gear shifting positions shall correspond to
37、the regional test procedure (see A, B or C, for example). However, the shift positions should be selected and determined in accordance with the vehicle manufacturers specification.4.1.3.7 Regenerative brakingIf the vehicle has regenerative braking, the regenerative braking system shall be enabled fo
38、r all dynamometer testing except where specified in 4.1.4.4 Determining the dynamometer load coefficient.If the vehicle is tested on a single axle dynamometer and is equipped with systems such as an antilock braking system (ABS) or a traction control system (TCS), those systems may inadvertently int
39、erpret the non-movement of the set of wheels that are off the dynamometer as a malfunctioning system. If so, these systems shall be temporarily disabled for adjustment to achieve normal operation of the remaining vehicle systems, including the regenerative braking system.4.1.3.8 RESS conditioningThe
40、 RESS shall be conditioned with the vehicle as specified in 4.1.3.1, or by equivalent conditioning.4.1.4 Chassis dynamometer conditions4.1.4.1 GeneralThe vehicle should generally be tested on a single axle chassis dynamometer. A vehicle with four-wheel drive shall be tested by modifying the drive tr
41、ain of the vehicle. When the vehicle is modified, the details shall be explained in the test report.Double axle chassis dynamometer testing should be performed if a modification for single axle chassis dynamometer testing is not possible for a specific four-wheel drive vehicle.4.1.4.2 Dynamometer ca
42、librationThe dynamometer shall be calibrated in accordance with the specifications indicated in the service manual provided by the dynamometer manufacturers.4.1.4.3 Dynamometer warm-upThe dynamometer shall be warmed up sufficiently prior to testing.4.1.4.4 Determining the dynamometer load coefficien
43、tThe determination of vehicle road load and the reproduction on a chassis dynamometer shall conform to ISO 10521. Vehicles equipped with regenerative braking systems that are activated at least in part when the brake pedal is not depressed shall have regenerative braking disabled during the decelera
44、tion portion of coast-down testing on both the test track and dynamometer.4.2 Test instrumentationTest instrumentation shall have accuracy levels as shown in Table 1, unless specified differently in Annex A, B, or C.4 ISO 2013 All rights reservedBS ISO 23274-1:2013ISO 23274-1:2013(E)Table 1 Accuracy
45、 of measured vehiclesItem Unit AccuracyTime s 0,1 sDistance m 0,1 %Temperature C 1 CSpeed km/h 1 %Mass kg 0,5 %Current A 0,5 %Capacitor voltage V 0,5 % of nominal voltage5 Measurement of exhaust emissions and fuel consumption5.1 GeneralThe appropriate procedure for a particular region shall be selec
46、ted from Annex A, B or C, for Japan, Europe or North America, respectively. Common procedures are described below.5.2 Test procedure5.2.1 Vehicle preconditioningVehicle preconditioning shall be carried out in accordance with the corresponding annex of regional test procedure, if necessary.If necessa
47、ry, the RESS SOC may be pre-adjusted by charging or discharging, to obtain a suitable energy balance of RESS between the beginning and the end of the test.5.2.2 Vehicle soakThe vehicle shall be soaked in accordance with the appropriate regional procedure in Annex A, B or C.5.2.3 Vehicle movement to
48、the test roomWhen the vehicle is brought into the test room, and moved during the test if necessary, it shall be pushed or towed (neither driven nor regenerative recharged.). The test vehicle shall be set on the chassis dynamometer after the chassis dynamometer has warmed up just before the test. Th
49、e vehicle shall not be activated during soak until right before starting the test.5.2.4 Measurement over ADTEnergy balance of RESS, consumed fuel and exhaust emissions shall be measured in each ADT. The conditions of the vehicle during the ADT shall follow the appropriate regional test procedure (see Annex A, B or C, for example).5.3 Correction of the test results5.3.1 GeneralMeasured fuel consumption and exhaust emissions shall be corrected if these test results are influenced by RESS energy balance during t
