IEC_60722-1982_scan.pdf

4C.D.U./U.D.C.:621.3142.016.2.001.4621.318.43.001.4620.171.2621317.3338(036)COMMISSION ELECTROTECHNIQUE INTERNATIONALENORME DE LA CEIINTERNATIONAL ELECTROTECHNICAL COMMISSIONIEC STANDARDPublication722Premiere edition-First edition1982Guide pour les essais au choc de foudreet au choc de maneuvre des transformateurs,de puissance et des bobines dinductanceGuide to the lightning impulseand switching impulse testingof power transformers and reactorsMots cles:transformateurs de puissance;Key words:power transformers;bobines dinductance:reactors:essai de rigidite dielectrique;dielectric strength testing:essais au choc de lisolation.impulse testing of insulation.CCEI 1982Droits de reproduction reserves-Copyright-al rights reservedAucune perte de cette publication ne peut etre reproduite ni utlise sous quelque.-No pert of this publication may be reproduced or utilized in any form or byforme que ce soit et per aucun procede,electronique ou mecanique,y compris la.any means,electronic or mechanical,including photocopying and microfilm,photocopie at les microfilms,sans accord ecrit de lediteur.without permission in writing from the publisher.Bureau Central de la Commission Electrotechnique Internationale3.rue de VarembeIedGeneve,SuisseoL.8似75-7221EC1982一3CONTENTSPageFOREWORD5PREFACEClause1.Scope72.General73.Specified wave-shapes94.Test circuit95.Calibration,116.Lightning impulse tests.136.1wave-shapes.,:136.2Impulses chopped on the tail.136.3Terminal connections of the test object and methods of failure detection.6.4Test procedures,176.5Oscillographic recording.,7.Switching impulse tests.217.1 Special requirements217.2 Transformers7.3 Reactors.278.Interpretation of oscillograms298.1Lightning impulse28.2 Switching impulse33FGRS34APPENDIX A-Principles of wave-shape control39APPENDIX B-Typical oscillographic records49“i心.diwg114