1、INTERNATIONALSTANDARDIEC60099-6First edition2002-08Surge arresters Part 6:Surge arresters containing both seriesand parallel gapped structures Rated 52 kV and lessReference numberIEC 60099-6:2002(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUP
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8、N Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC60099-6First edition2002-08Surge arresters Part 6:Surge arresters containing both seriesand parallel gapped structures Rated 52 kV and less IEC 2002 Copyright-all rights reservedN
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11、OOK SUPPLY BUREAU.2 60099-6 IEC:2002(E)CONTENTSFOREWORD.4INTRODUCTION.51General.61.1Scope.61.2Normative references.62Definitions.73Identification and classification.143.1Arrester identification.143.2Arrester classification.144Standard ratings.154.1Standard rated voltages.154.2Standard rated frequenc
12、ies.154.3Standard nominal discharge currents.154.4Service conditions.155Requirements.165.1Insulation withstand of the arrester housing.165.2Reference voltage.165.3Impulse protective levels.165.4Partial discharges.165.5Seal leakage.165.6Thermal stability.165.7Long duration current impulse withstand.1
13、65.8Operating duty.175.9Power frequency voltage versus time characteristics of an arrester.175.10 Short-circuit withstand.185.11 Disconnectors.185.12 Requirements for internal and external grading components.185.13 Power frequency sparkover.185.14 Grading current.185.15 Weather ageing tests.186Gener
14、al procedures.186.1Measuring equipment and accuracy.186.2Reference voltage measurements.196.3Test samples.197Type tests(design tests).197.1General.197.2Insulation withstand tests on the arrester housing.207.3Impulse protective level tests.217.4Long duration current impulse withstand test.257.5Operat
15、ing duty tests.277.6Tests of arrester disconnectors.337.7Power frequency voltage sparkover tests.357.8Moisture ingress tests.357.9Weather ageing tests.35LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60099-6 IEC:2002(E)3 8Routine test
16、s and acceptance tests.368.1Routine tests.368.2Acceptance tests.36Annex A(normative)Abnormal service conditions.39Annex B(normative)Test to verify thermal equivalency between complete arresterand arrester section.40Annex C(normative)Procedure to verify the power frequency voltage versus timecharacteristics of an arrester.41Annex D(normative)Artificial pollution testing of metal-oxide surge arresterscontaining gapped structures.42Annex E(informative)Typical information given with inquiries and te
