1、H17.63NORMECEIINTERNATIONALEIECINTERNATIONAL517STANDARDTroisieme editionThird edition1990-10hi viin NMI9ire Ham Thome、Mlomi9gAppareillage sous enveloppe metalliquea isolation gazeuse de tension assigneeegale ou superieure a 72,5 kVGas-insulated metal-enclosed switchgearfor rated voltages of 72,5 kV
2、and abovec日1990Droits de reproduction rservs一Copyright-all rights reservedAucune parie de oette publlcsson ne pouk re reprodtte n No part of this publoeion may be reproduoed of uilred inany form or by any meant,electonle or mecherial.including photpoopying and microti.wtthout permieslonh writing fom
3、 the publlthec.Commission Electrotechnique InternationaleCODE PRIXInternational Electrotechnical CommissionPRICE CODEXAMemayrapoaHa 3neKTpOTexHNecKan HoMHCCKAPour prix,voir catalogue en rigueuFor price,ses current cstalogve517IEC-3-CONTENTSPageFOREWORD9Clause1Scope132Normal and special service condi
4、tions133Definitions134Rating194.1Rated voltage194.2Rated insulation level194.3Rated frequency214.4Rated normal current and temperature rise.214.5Rated short-time withstand current214.6Rated peak withstand current.214.7Rated duration of short-circutit.234.8Rated supply voltage of closing and opening
5、devices and auxiliary circuits.234.9Rated supply frequency of operating devices and auxiliary circut.234.10Rated pressure of compressed gas supply for operating mechanisms.234.101 Rated density of gas for insulation23|5Design and construction235.1Requirements for liquids in switchgear and controlgea
6、r.255.2Requirements for gases in switchgear and controlgear.255.3Earthing255.4Auxiliary equipment255.5Dependent power closing255.6Stored energy closing275.7Operation of releases275.8Low and high pressure interlocking devices275.9Nameplates275.101Degree of protection275.102intemal fault295.103Enclosu
7、res335.104Partitions35517IEC-7-ClausePage9 Information to be given with enquiries tenders and ord839.101 Information with enquiries and orders.839.102 Information with tenders.8510 Rules for transport,storage,erection and maintenanc8710.1 Conditions during transport,storage and erection8710.2 Erecti
8、on8710.3 Maintenance87AnnexesAA-Recommended method for the weatherproofing test for outdoor gas-insulatedmetal-enclosed switchgear.89BB-Methods for testing gas-insulated metal-enclosed switchgear under conditionsor arcing due to an intemal fault93CC-Technical and practical considerations of site testin.99DD-Gas tightness specifications and test.105(之