1、 12 August 1013 STD97280 IEEE Std C37.90.1-2012 IEEE Std C37.90.1-2012 (Revision of IEEE Std C37.90.1-2002) Errata to IEEE Standard for Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus Sponsor Power System Relaying Committee of the IEEE Pow
2、er & Energy Society Correction Sheet 12 August 2013 Copyright 2013 by the Institute of Electrical and Electronics Engineers. Inc. All rights reserved. Published 2013 Printed in the United States of America. This correction sheet may be freely reproduced and distributed in order to maintain the utili
3、ty and currency of the underlying Standard. This correction sheet may not be sold, licensed or otherwise distributed for any commercial purposes whatsoever. The content of this correction sheet may not be modified. 12 August 1013 STD97280 IEEE Std C37.90.1-2012 Item 2) in 4.2 on page 5 should be corrected to read as follows: 2) into 1000 load i) rise time (10% to 90%) = 5 ns 30% ii) duration (above 50%) = 50 ns with a tolerance of 15 ns to + 100 ns iii) peak voltage = 4 kV 20%
