ISO INTERNATIONAL 23280 STANDARD First edition 2022-05 Electrically propelled mopeds and motorcycles Test method for evaluation of energy performance using motor dynamometer Motocycles et cyclomoteurs a propulsion électrique -Méthode d'essai pour I'évaluation de la performance énergétique a I'aide d'un dynamometre Reference number IS0 23280:2022(E) ISO @ IS0 2022 IS0 23280:2022(E) COPYRIGHT PROTECTED DOCUMENT @IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Publishedin Switzerland ii @ IS0 2022 - All rights reserved IS0 23280:2022(E) Contents Page Foreword. iv 1 Scope 2 Normative references. .1 3 .1 Terms and definitions 4 Principle .2 5 Determination of resistance torque to traction motor system .3 5.1 Running resistance of vehicle 3 5.2 Resistance torque for central drive system. 3 5.3 Resistance torque for in-wheel drive system 5 6 Test conditions 6 6.1 Motor dynamometer 6 6.2 Driving mode. 7 6.3 Operation for the motor dynamometer 7 Resistance torque to traction motor 8 6.3.1 6.3.2 Load motor system 8 Torque and speed sensors 6.3.3 8 6.4 DC Power supply 8 6.5 .8 Powermeter 6.6 Measurement of voltage and current 6.7 Measurement of temperature 9 Performance calculation .9 7.1 Consumed energy 9 7.2 Travelled distance 9 7.3 Motor system efficiency 9 7.4 Reference energy consumption 10 Presentation of results 8 10 Annex A (informative) Classification of equivalent inertia mass and the running resistance 11 formotorcycles Annex B (informative) Classification of equivalent inertia mass and the running resistance .13 formopeds Annex C (informative) Derivation of traction motor torque for central drive system .15 Annex D (informative) Derivation of traction motor torque for in-wheel drive system .19 Annex E (normative) Test report - test motor and test conditions. .20 Bibliography .22 @ IS0 2022 - All rights reserved iii