IEC 61558-2-6 2021 变压器、电抗器、电源装置及其组合的安全-第2-6部分:通用应用中的安全隔离变压器和包含安全隔离变压器的电源装置的特殊要求和测试.pdf

IEC IEC61558-2-6
Edition 3.0 2021-05 INTERNATIONAL STANDARD
GROUP SAFETY PUBLICATION
Safety of transformers,reactors,power supply units and binations thereof - Part 2-6:Particularrequirements and testsfor safety isolating transformers and applications
INTERNATIONAL ELECTROTECHNICAL COMMISSION
ICS 29.180 ISBN 978-2-8322-9791-9
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-2-IEC 61558-2-6:2021 0 1EC 2021 CONTENTS
FOREWORD..3 INTRODUCTION..6 Scope..7 2Normative references 8 3Terms and definitions.... 4General requirements ..8 5General notes on tests. 9Ratings...8 7Classification...9 8Marking and other information...9 9Protection against electric shock..10 10Change of input voltage setting .....10 11Output voltage and output current under load.10 12No-load output voltage ..10 13Short-circuit voltage..11 14Heating.-.11 15Short-circuit and overload protection.12 16Mechanical strength .12 17Protection against harmful ingress of dust, solid objects and moisture 12 18Insulation resistance, dielectric strength and leakage current.12 19Construction.12 20Components.12 21Internal wiring.-12 22Supply connection and other external flexible cable or cords.... 12 23Terminals for extermal conductors.12 24Provisions for protective earthing.12 25Screws and connections.12 26 Creepage distances, clearances and distances through insulation ..12 27Resistance to heat, fire and tracking....1.3 28Resistance to rusting..13 Annexes....1.. Bibliography...15
Table 101 - Symbols indicating the kind of transformer ..10 Table 102 - Output voltage ratio11
IEC 61558-2-6:2021 0 IEC 202111- INTERNATIONAL ELECTROTE CHNICAL COMMISSION
SAFETYOFTRANSFORMERS,REACTORS,POWERSUPPLY UNITSANDCOMBINATIONSTHEREOF Part2-6:Particularrequirementsand testsforsafetyisolating isolating transformersforgeneral applications FOREWORD 1) The Intermational Electrotechnical Commission (IEC) is a worldwide org aniz ation for standardization co mp risingall national elect rotechnical co...