IEC 60664-1-2007 Insulation coordination for equipment within low-voltage systems - Part 1 Principles requirements and tests《低压系统内设备的绝缘配合.第1部分 原则、要求和试验》.pdf
《IEC 60664-1-2007 Insulation coordination for equipment within low-voltage systems - Part 1 Principles requirements and tests《低压系统内设备的绝缘配合.第1部分 原则、要求和试验》.pdf》由会员分享,可在线阅读,更多相关《IEC 60664-1-2007 Insulation coordination for equipment within low-voltage systems - Part 1 Principles requirements and tests《低压系统内设备的绝缘配合.第1部分 原则、要求和试验》.pdf(152页珍藏版)》请在麦多课文档分享上搜索。
1、 INTERNATIONAL STANDARD IECCEINORME INTERNATIONALE60664-1Deuxime editionSecond dition2007-04Insulation coordination for equipment within low-voltage systems Part 1: Principles, requirements and tests Coordination de lisolement des matriels dans les systmes (rseaux) basse tension Partie 1: Principes,
2、 exigences et essais Reference number Numro de rfrence IEC/CEI 60664-1:2007 BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be
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13、Just Published CEI: www.iec.ch/online_news/justpub Restez inform sur les nouvelles publications de la CEI. Just Published dtaille deux fois par mois les nouvelles publications parues. Disponible en-ligne et aussi par email. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous d
14、sirez nous donner des commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 INTERNATIONAL STANDARD IECCEINORME INTERNATIONALE60664-1Deuxime editionSecond dition2007-04Insulat
15、ion coordination for equipment within low-voltage systems Part 1: Principles, requirements and tests Coordination de lisolement des matriels dans les systmes (rseaux) basse tension Partie 1: Principes, exigences et essais For price, see current cataloguePour prix, voir catalogue en vigueur PRICE COD
16、E CODE PRIX XB Commission Electrotechnique InternationaleInternational Electrotechnical Commission BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT 2 60664-1 IEC:2007 CONTENTS 1 Scope and object7 2 Normative references .7 3 Terms and definitions .9 4 Basis for insulation coordination .14
17、4.1 General .14 4.2 Insulation coordination with regard to voltage14 4.2.1 General .14 4.2.2 Insulation coordination with regard to long-term a.c. or d.c. voltages .15 4.2.3 Insulation coordination with regard to transient overvoltage.15 4.2.4 Insulation coordination with regard to recurring peak vo
18、ltage.15 4.2.5 Insulation coordination with regard to temporary overvoltage.15 4.2.6 Insulation coordination with regard to environmental conditions.16 4.3 Voltages and voltage ratings .16 4.3.1 General .16 4.3.2 Determination of voltage for long-term stresses.16 4.3.3 Determination of rated impulse
19、 voltage17 4.3.4 Determination of recurring peak voltage 19 4.3.5 Determination of temporary overvoltage 19 4.4 Frequency .20 4.5 Time under voltage stress .20 4.6 Pollution20 4.6.1 General .20 4.6.2 Degrees of pollution in the micro-environment .21 4.6.3 Conditions of conductive pollution .21 4.7 I
20、nformation supplied with the equipment21 4.8 Insulating material.21 4.8.1 Comparative tracking index (CTI) 21 4.8.2 Electric strength characteristics .22 4.8.3 Thermal characteristics .22 4.8.4 Mechanical and chemical characteristics .22 5 Requirements and dimensioning rules 23 5.1 Dimensioning of c
21、learances.23 5.1.1 General .23 5.1.2 Dimensioning criteria.23 5.1.3 Electric field conditions24 5.1.4 Altitude24 5.1.5 Dimensioning of clearances of functional insulation .24 5.1.6 Dimensioning of clearances of basic, supplementary and reinforced insulation.24 5.1.7 Isolating distances.25 5.2 Dimens
22、ioning of creepage distances .25 5.2.1 General .25 5.2.2 Influencing factors .25 5.2.3 Dimensioning of creepage distances of functional insulation27 5.2.4 Dimensioning of creepage distances of basic, supplementary and reinforced insulation 27 5.2.5 Reduction of creepage distances with the use of a r
23、ib (ribs) 27 60664-1 IEC:2007 3 5.3 Requirements for design of solid insulation .28 5.3.1 General .28 5.3.2 Stresses 28 5.3.3 Requirements 30 6 Tests and measurements .32 6.1 Tests.32 6.1.1 General .32 6.1.2 Test for verification of clearances 33 6.1.3 Tests for the verification of solid insulation
24、36 6.1.4 Performing dielectric tests on complete equipment 41 6.1.5 Other tests 42 6.1.6 Measurement accuracy of test parameters 42 6.2 Measurement of creepage distances and clearances.43 Annex A (informative) Basic data on withstand characteristics of clearances .48 Annex B (informative) Nominal vo
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