1、18 April 2007 SH94775IEEE Std C37.09-1999(Revision ofIEEE Std C37.09-1979)Errata to IEEE Standard Test Procedure forAC High-Voltage Circuit BreakersRated on a Symmetrical CurrentBasisSponsorIEEE Switchgear Committeeof theIEEE Power Engineering SocietyCorrection SheetIssued 18 April 2007Copyright 200
2、7 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 2007.Printed in the United States of America.This correction sheet may be freely reproduced and distributed in order to maintain the utility and currency of theunderlying Standard. This correction sheet m
3、ay not be sold, licensed or otherwise distributed for any commercialpurposes whatsoever. The content of this correction sheet may not be modified.Correction Sheet to IEEE Std C37.09-1999SH94775 18 April 2007Page 16, subclause 4.8.1.6 , the first sentence in the fourth paragraph should read as follow
4、s:The peak value E2for the source side component of the TRV is equal to where Ka=Amplitude factor = 1.4 for circuit breakers above 100 kV or 1.54 for circuit breakers below 100 kV.Page 59, Equation 18 should read as follows:Page 60, Equation 19 should read as follows:Page 62, Figure 17, should be corrected to read as follows:Ka0.58 2 VPeak value of alternating componentsMajor ordinate Minor ordinate+2-A B+2-=Major ordinate Minor ordinate2-A B2-=
