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AS 1966.1-1985

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Electric arc welding power sources - Transformer type
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1985

Publisher

Standards Australia

Preview

1 - AS 1966.1-1985 ELECTRIC ARC WELDING POWER SOURCES - TRANSFORMER TYPE
4 - PREFACE
5 - CONTENTS
7 - SECTION 1. SCOPE AND GENERAL
7 - 1.1 SCOPE.
7 - 1.2 APPLICATION.
7 - 1.3 REFERENCED DOCUMENTS.
7 - 1.4 DEFINITIONS.
7 - 1.4.1 Automatic metal-arc welding
7 - 1.4.2 Constant current (CC) welding powersource
7 - 1.4.3 Constant voltage (CV) welding power source
7 - 1.4.4 Diversity factor
7 - 1.4.5 Duty cycle
7 - 1.4.6 Electric arc welding power source (transformer type)
7 - 1.4.7 Flux cored arc welding (FCAW)
7 - 1.4.8 Gas metal-arc welding (GMAW)
7 - 1.4.9 Gas tungsten arc welding (GTAW)
8 - 1.4.10 Input current
8 - 1.4.11 Limited input power source
8 - 1.4.12 Load voltage
8 - 1.4.13 Manual metal-arc weldin g(MMAW)
8 - 1.4.14 Maximum output current
8 - 1.4.15 Maximum short-circuit input current
8 - 1.4.16 Minimum output current
8 - 1.4.17 Multi-operator welding power source
8 - 1.4.18 100-percent duty cycle output current
8 - 1.4.19 Open-circuit voltage
8 - 1.4.20 Power factor
8 - 1.4.21 Rated input current
8 - 1.4.22 Rated input voltage
8 - 1.4.23 Rated number of operators
8 - 1.4.24 Rated output current
8 - 1.4.25 Rating of electric welding power source
8 - 1.4.26 Rectifier
8 - 1.4.27 Rectifier assembly
8 - 1.4.28 Rectifier stack
8 - 1.4.29 Semi-automatic metal-arc welding
8 - 1.4.30 Single-operator welding power source
8 - 1.4.31 Transformer / rectifier welding power source
8 - 1.4.32 Welder
8 - 1.5 SAFETY REQUIREMENTS.
8 - 1.5.1 General.
8 - 1.5.2 Earthing facilities.
9 - 1.5.3 Double insulation.
9 - 1.6 SERVICE CONDITIONS.
9 - 1.7 RATING AND CLASSIFICATION.
9 - 1.7.1 Rating and classification of single-operator welding power sources.
9 - 1.7.2 Rating of regulators.
9 - 1.7.3 Rated load voltage.
11 - 1.7.4 Rating of transformers.
11 - 1.7.5 Rating of welding power sources with regulation taps
11 - 1.7.6 Rating of multi-operator welding power sources
12 - SECTION 2. PERFORMANCE REQUIREMENTS
12 - 2.1 OPEN-CIRCUIT VOLTAGE.
12 - 2.2 MAXIMUM SHORT-CIRCUIT INPUT CURRENT
12 - 2.3 TOLERANCE ON APPLIED INPUT VOLTAGE
12 - 2.4 POWER FACTOR CORRECTION.
12 - 2.5 OUTPUT CURRENT REGULATOR.
12 - 2.6 VOLTAGE REGULATION OF MULTI-OPERATOR WELDING POWER SOURCES
12 - 2.7 TEMPERATURE LIMITS.
12 - 2.7.1 General.
12 - 2.7.2 Windings.
12 - 2.7.3 Windings of oil-cooled transformers.
14 - SECTION 3. DESIGN AND CONSTRUCTION
14 - 3.1 GENERAL.
14 - 3.2 TRANSFORMERS.
14 - 3.2.1 General.
14 - 3.2.2 Transformers with screen.
14 - 3.2.3 Transformers without screen.
15 - 3.3 RECTIFIERS.
15 - 3.4 OPERATOR CONTROLS.
15 - 3.5 TERMINALS.
15 - 3.6 IDENTIFICATION OF CONNECTIONS.
15 - 3.7 LOADING OF MULTI-OPERATOR WELDING POWER SOURCES
16 - 3.8 INDICATION AND ACCURACY OF LOAD CURRENT FOR MANUAL METAL-ARC WELDING POWER SOURCES
17 - SECTION 4. MARKING
17 - 4.1 GENERAL.
17 - 4.2 INFORMATION TO BE MARKED ON TRANSFORMER TYPE WELDING POWER SOURCES
17 - 4.3 INFORMATION TO BE MARKED ON TRANSFORMERS AND REGULATORS
18 - 4.4 POWER FACTOR CORRECTION MARKINGS.
18 - 4.5 VERIFICATION OF MARKINGS.
19 - SECTION 5. TESTS
19 - 5.1 GENERAL REQUIREMENTS FOR TESTS
19 - 5.2 INSULATION RESISTANCE TEST.
20 - 5.3 HIGH VOLTAGE TEST.
20 - 5.4 TEST OF EARTHING CONNECTION.
20 - 5.4.1 Test Procedure.
20 - 5.4.2 Criteria.
20 - 5.5 TEST FOR OPEN-CIRCUIT VOLTAGE.
20 - 5.6 TEMPERATURE-RISE TEST.
20 - 5.7 TEST FOR MINIMUM OUTPUT CURRENT
20 - 5.8 TEST FOR RATED INPUT CURRENT.
20 - 5.9 TEST FOR TRANSFORMER VOLTAGE REGULATION (MULTI-OPERATOR WELDING POWER SOURCES ONLY)
20 - 5.10 EARTH LEAKAGE TEST.
21 - 5.11 TEST FOR MAXIMUM SHORT-CIRCUIT INPUT CURRENT
21 - 5.12 TEST FOR MAXIMUM OUTPUT CURRENT
21 - 5.13 TEST OF POWER RECTIFIER ASSEMBLY.
22 - APPENDIX A - METHOD FOR THE DETERMINATION OF TEMPERATURE RISE
22 - A1 SCOPE.
22 - A2 PRINCIPLE.
22 - A2.1 Continuous duty power sources.
22 - A2.2 Other than continuous duty power sources.
22 - A3 DEFINITIONS.
22 - A3.1 Temperature rise
22 - A3.2 Ambient temperature
22 - A4 TEST CONDITIONS.
22 - A5 METHOD FOR THE DETERMINATION OF AMBIENT TEMPERATURE.
22 - A6 METHOD OF MEASUREMENT OF TEMPERATURE RISE.
22 - A6.1 General.
22 - A6.2 Resistance method.
23 - A6.3 Thermometer method.
23 - A7 PROCEDURE.
23 - A7.1 Continuous duty welding power source.
23 - A8 REPORT.
24 - APPENDIX B - CALCULATION OF EQUIVALENT LOADINGS FOR MULTI-OPERATOR WELDING POWER SOURCES
24 - B1 KNOWN OPERATION SEQUENCE.
24 - B2 EXAMPLE.
24 - B2.1 Problem.
24 - B2.2 Solution.
24 - B3 UNKNOWN OPERATION SEQUENCE.
25 - APPENDIX C - RATED 100-PERCENT DUTY CYCLE OUTPUT CURRENT
26 - APPENDIX D - DETERMINATION OF POWER FACTOR
26 - D1 SCOPE.
26 - D2 APPLICATION.
26 - D3 PRINCIPLE.
26 - D4 APPARATUS.
26 - D5 PROCEDURE.
26 - D6 REPORT.
27 - APPENDIX E - SCHEDULE OF ROUTINE AND TYPE TESTS
27 - E1 INTRODUCTION.
27 - E2 GENERAL.
27 - E2.1 Type tests.
27 - E2.2 Routine tests.
27 - E3 CLASSIFICATION OF TESTS.

Specifies the requirements for the design, performance and rating of arc welding power sources of the transformer type. It covers transformer type power sources having an alternating current or direct current (rectified) output. Both single-operator and multi-operator machines are covered and calculations of equivalent loadings for multi-operator machines are included. Various routine and type tests are contained in the appendices.

This standard specifies requirements for the design, performance and rating of electric arc welding power sources (hereinafter referred to as 'welding power sources') with either-(a) transformers-for alternating current welding; or (b) transformer-rectifier units-for direct current, or alternating current/direct current, welding. This standard does not include requirements for connected equipment such as welding leads, electrode holders and automatic wire feeders, etc.

Committee
EL-019
DocumentType
Standard
ISBN
0 7262 3699 3
Pages
21
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Obsolescent 23 January 2004

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AS 1202.1-1981 A.C. motor starters (up to and including 1000 V) - Direct-on-line (full voltage) starters
AS 1202.3-1976 A.C. motor starters (up to and including 1000 V) Autotransformer starters
AS 2745-1984 Electrical welding safety
AS 1042-1973 Direct-acting indicating electrical measuring instruments and their accessories
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS 1202.4-1976 A.C. motor starters (up to and including 1000 V) Rheostatic rotor starters
AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
AS 1202.5-1985 A.C. motor starters (up to and including 1000 V) - Semiconductor (solid state) starters

AS 1554.2-1993 Structural steel welding - Stud welding (steel studs to steel)
AS/NZS 1554.3:2002 Structural steel welding - Welding of reinforcing steel
AS/NZS 1554.1:1995 Structural steel welding Welding of steel structures
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AS 1796-2001 Certification of welders and welding supervisors (Reconfirmed 2016)
AS 1796-1993 Certification of welders and welding supervisors
AS 1674.2-2003 Safety in welding and allied processes - Electrical
AS/NZS 1554.5:1995 Structural steel welding Welding of steel structures subject to high levels of fatigue loading
AS 1485-1983 Safety and health in workrooms of educational establishments
AS/NZS 1554.6:2012 Structural steel welding Welding stainless steels for structural purposes
AS 1966.2-1985 Electric arc welding power sources - Rotary type
AS/NZS 3195:2002 Approval and test specification - Portable machines for electric arc welding and allied processes
AS/NZS 1554.6:1994 Structural steel welding - Welding stainless steels for structural purposes
AS/NZS 1554.5:2004 Structural steel welding Welding of steel structures subject to high levels of fatigue loading
AS 1554.1-1991 Structural steel welding (known as the SAA Structural Steel Welding Code) - Welding of steel structures
AS/NZS 3195:1995 Approval and test specification - Portable machines for electric arc welding and allied processes
AS/NZS 1554.1:2000 Structural steel welding Welding of steel structures
AS 1966.3-1990 Electric arc welding power sources - Plasma arc cutting and welding types
AS 1665-1992 Welding of aluminium structures
AS/NZS 1554.4:1995 Structural steel welding - Welding of high strength quenched and tempered steels
AS/NZS 1665:2004 Welding of aluminium structures (Reconfirmed 2016)

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