• IEC 60076-3-1:1987

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Power transformers. Part 3: Insulation levels and dielectric tests - External clearances in air

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  23-07-2013

    Language(s):  English - French

    Published date:  30-06-1987

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    PREFACE
    1 Introduction
    2 General
    3 Bushing clearance requirements as determined by transformer
         insulation withstand voltages
    3.1 Windings with Um < 300 kV
    3.2 Windings with Um > or = 300 kV - Transformer specified
         according to Method 1
    3.3 Windings with Um > or = 300 kV - Transformer specified
         according to Method 2
    TABLES
    FIGURES

    Abstract - (Show below) - (Hide below)

    Specifies clearances in air between live parts of bushings on oil-immersed power transformers and in relation to objects on earth potential.

    General Product Information - (Show below) - (Hide below)

    Committee TC 14
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    07/30167951 DC : 0 BS EN 60076-1 - POWER TRANSFORMERS - PART 1: GENERAL
    IEC 60092-303:1980 Electrical installations in ships - Part 303: Equipment - Transformers for power and lighting
    BS IEC 60092-303 : 1980 ELECTRICAL INSTALLATION IN SHIPS - PART 303: EQUIPMENT - TRANSFORMERS FOR POWER AND LIGHTING

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60060-2:2010 High-voltage test techniques - Part 2: Measuring systems
    IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
    IEC 60137:2017 Insulated bushings for alternating voltages above 1000 V
    IEC 60071-3:1982 Insulation co-ordination - Part 3: Phase-to-phase insulation co-ordination - Principles, rules and application guide
    IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
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