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  • AS 1966.3-1990

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Electric arc welding power sources - Plasma arc cutting and welding types

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  30-06-2017

    Language(s):  English

    Published date:  01-01-1990

    Publisher:  Standards Australia

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

    1 - AS 1966.3-1990 ELECTRIC ARC WELDING POWER SOURCES - PLASMA ARC CUTTING AND WELDING TYPES
    4 - PREFACE
    5 - CONTENTS
    6 - SECTION 1. SCOPE AND GENERAL
    6 - 1.1 SCOPE.
    6 - 1.2 APPLICATION.
    6 - 1.3 REFERENCED DOCUMENTS.
    6 - 1.4 DEFINITIONS.
    6 - 1.4.1 Constant current (CC) plasma arc power source
    6 - 1.4.2 Duty cycle
    6 - 1.4.3 Input current
    6 - 1 4.4 Load voltage
    6 - 1.4.5 Power source terminals
    6 - 1.4.6 Maximum output current
    6 - 1.4.7 Maximum short-circuit input current
    6 - 1.4.8 100-percent duty cycle output current
    6 - 1.4.9 Open-circuit voltage
    6 - 1.4.10 Power factor
    6 - 1.4.11 Rated input current
    6 - 1.4.12 Rated input voltage
    6 - 1.4.13 Rated output current
    6 - 1.4.14 Rating of plasma arc power source
    7 - 1.4.15 Rectifier
    7 - 1.4.16 Rectifier assembly
    7 - 1.4.17 Rectifier stack
    7 - 1.4.18 Transformer/ rectifier plasma arc power source
    7 - 1.4.19 Welder
    7 - 1.5 SAFETY REQUIREMENTS.
    7 - 1.5.1 General.
    7 - 1.5.2 Earthing facilities.
    7 - 1.5.3 Double insulation.
    7 - 1.6 SERVICE CONDITIONS.
    7 - 1.7 RATING.
    7 - 1.7.1 General.
    7 - 1.7.2 Rated load voltage.
    8 - SECTION 2. PERFORMANCE REQUIREMENTS
    8 - 2.1 OPEN-CIRCUIT VOLTAGE.
    8 - 2.2 MAXIMUM SHORT-CIRCUIT INPUT CURRENT.
    8 - 2.3 TOLERANCE ON APPLIED INPUT VOLTAGE.
    8 - 2.4 POWER FACTOR CORRECTION.
    8 - 2.5 TEMPERATURE LIMITS.
    8 - 2.5.1 General.
    8 - 2.5.2 Windings.
    9 - SECTION 3. DESIGN
    9 - 3.1 GENERAL.
    9 - 3.2 TRANSFORMERS.
    9 - 3.3 RECTIFIERS.
    9 - 3.4 OPERATOR CONTROLS.
    9 - 3.5 INPUT AND OUTPUT TERMINALS.
    9 - 3.6 IDENTIFICATION OF CONNECTIONS.
    9 - 3.7 INDICATION AND ACCURACY OF LOAD CURRENT
    10 - SECTION 4. MARKING
    10 - 4.1 GENERAL.
    10 - 4.2 INFORMATION TO BE MARKED ON PLASMA ARC POWER SOURCES
    10 - 4.3 POWER FACTOR CORRECTION MARKINGS.
    10 - 4.4 VERIFICATION OF MARKINGS.
    11 - SECTION 5. TESTS
    11 - 5.1 REQUIREMENTS FOR TESTS.
    11 - 5.1.1 General.
    11 - 5.1.2 Type tests.
    11 - 5.1.3 Routine tests.
    11 - 5.2 INSULATION RESISTANCE TEST.
    11 - 5.3 HIGH VOLTAGE TEST.
    11 - 5.4 TEST OF EARTHING CONNECTION.
    11 - 5.4.1 Test procedure.
    11 - 5.4.2 Criteria.
    12 - 5.5 TEST FOR OPEN-CIRCUIT VOLTAGE.
    12 - 5.6 TEMPERATURE-RISE TEST.
    12 - 5.7 TEST FOR RATED INPUT CURRENT.
    12 - 5.8 POWER FACTOR TEST.
    12 - 5.9 EARTH LEAKAGE TEST.
    12 - 5.10 TEST FOR MAXIMUM SHORT-CIRCUIT INPUT CURRENT
    13 - 5.11 TEST FOR RATED OUTPUT CURRENT.
    13 - 5.12 TEST OF POWER RECTIFIER ASSEMBLY
    14 - APPENDIX A - METHOD FOR THE DETERMINATION OF TEMPERATURE RISE
    14 - A1 SCOPE.
    14 - A2 PRINCIPLE.
    14 - A3 DEFINITIONS.
    14 - A3.1 Temperature rise
    14 - A3.2 Ambient temperature
    14 - A4 TEST CONDITIONS.
    14 - A5 DETERMINATION OF AMBIENT TEMPERATURE.
    14 - A6 MEASUREMENT OF TEMPERATURE RISE.
    14 - A6.1 General.
    14 - A6.2 Resistance method.
    15 - A6.3 Thermometer or thermocouple method.
    15 - A7 PROCEDURE.
    15 - A8 REPORT.
    16 - APPENDIX B - RATED 100-PERCENT DUTY CYCLE OUTPUT CURRENT
    16 - APPENDIX C - DETERMINATION OF POWER FACTOR
    16 - C1 SCOPE.
    16 - C2 APPLICATION.
    16 - C3 PRINCIPLE.
    16 - C4 APPARATUS.
    16 - C5 PROCEDURE.
    16 - C6 REPORT.

    Abstract - (Show below) - (Hide below)

    Part 3 specifies the requirements for the design, performance and rating of arc welding power sources of the plasma type. It covers power sources for plasma arc cutting and welding and the electrical supply to associated torches. It applies to plasma arc power sources having an output of the drooping characteristic type (substantially constant current) and specifies limits for open-circuit voltages.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the design, performance and rating of power sources for plasma arc cutting and plasma arc welding (herein after referred to as 'plasma arc power sources'). This Standard also includes requirements for the electrical supply to associated torches.

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

    Committee EL-019
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

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

    AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
    AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
    AS 2745-1984 Electrical welding safety
    AS 2812-2005 Welding, brazing and cutting of metals - Glossary of terms (Reconfirmed 2018)
    AS 2768-1985 Electrical insulating materials - Evaluation and classification based on thermal endurance
    AS 1674-1980 Fire precautions in cutting, heating and welding operations
    AS 1042-1973 Direct-acting indicating electrical measuring instruments and their accessories
    AS/NZS 3195:2002 Approval and test specification - Portable machines for electric arc welding and allied processes
    AS 1966.1-1985 Electric arc welding power sources - Transformer type
    AS/NZS 3108:1994 Approval and test specification - Particular requirements for isolating transformers and safety isolating transformers

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

    AS/NZS 1995:2003 Welding cables (Reconfirmed 2017)
    AS 1674.2-2003 Safety in welding and allied processes - Electrical
    AS 1485-1983 Safety and health in workrooms of educational establishments
    AS/NZS 3195:2002 Approval and test specification - Portable machines for electric arc welding and allied processes
    AS/NZS 3195:1995 Approval and test specification - Portable machines for electric arc welding and allied processes
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