UL 2231-2-2020 电动车辆供电线路的人员保护系统 充电系统用保护装置的特殊要求.pdf

UL2231-2 STANDARD FOR SAFETY Personnel Protection Systems for Electric Vehicle ( )Supply Circuits Particular Requirements for Protection Devices for Use in Charging Systems UL COPYRIGHTED MATERIAL -NOTAUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INC . DECEMBER 15 ,2020 -UL 2231-2 UL Standard for Safety for Personnel Protection Systems for Electric Vehicle ( EV)Supply Circuits : Particular Requirements for Protection Devices for Use in Charging Systems ,UL 2231-2 Second Edition ,Dated September 7 ,2012 Summary of Topics This revision to ANSI /UL2231-2 dated December 15 ,2020 includes revising requirements for Isolated Circuit Systems -Capacitor Switching Transient Test and Harmonic Distortion Immunity test24.1.3a24.2.and24.9. Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin The new and revised requirements are substantially in accordance with Proposal (s)onthis subject dated may15,2020. All rights reserved .No part of this publication may be reproduced ,stored in a retrieval system ,or transmitted in any form by any means ,electronic ,mechanical pho...