Detail of GB/T 15579.1-2024

Introduction of GB/T 15579.1-2024

GB/T 15579.1-2024 Arc welding equipment—Part 1: Welding power sources 1 Scope This document is applicable to power sources for arc welding and allied processes designed for INDUSTRIAL AND PROFESSIONAL USE, and supplied by a voltage not exceeding 1 000V, BATTERY supplied or driven by mechanical means. This document specifies safety and performance requirements of WELDING POWER SOURCES and PLASMA CUTTING SYSTEMS. This document is not applicable to limited duty arc welding and cutting power sources which are designed mainly for use by laymen and designed in accordance with IEC 60974-6. This document includes requirements for battery-powered WELDING POWER SOURCES and BATTERY packs, which are given in Annex O. This document is not applicable to testing of power sources during periodic maintenance or after repair. Note 1: Typical allied processes are electric arc cutting and arc spraying. Note 2: AC systems having a nominal voltage between 100V and 1 000V are given in Table 1 of GB/T 156-2017. Note 3: This document does not include electromagnetic compatibility (EMC) requirements. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 16935.1-2023 Insulation coordination for equipment within low-voltage systems - Part 1: Principles requirements and tests (IEC 60664-1:2020, IDT) GB/T 35758-2017 Household electrical appliances - Measurement of standby power (IEC 62301:2011, IDT) ISO 7010:2019 Graphical symbols - Safety colours and safety signs - Registered safety signs Note: GB/T 31523.1-2015 Safety information identification systems - Part 1: Signs (ISO 7010:2011, MOD) IEC 60050-151 International Electrotechnical Vocabulary - Part 151: Electrical and magnetic devices Note: GB/T 2900.83-2008 Electrotechnical terminology - Electrical and magnetic devices (IEC 60050-151:2001, IDT) IEC 60050-851 International Electrotechnical Vocabulary (IEV) — Part 851: Electric welding IEC 60245-6 Rubber insulated cables - Rated voltages up to and including 450/750V - Part 6: Arc welding electrode cables Note: GB/T 5013.6-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 6: Arc welding electrode (IEC 60245-6:1994, IDT) IEC 60445 Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals ,conductor terminations and conductors Note: GB/T 4026-2019 Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors (IEC 60445:2017, IDT); IEC 60529 Degrees of protection provided by enclosure (IP code) Note: GB 4208-2017 Degrees of protection provided by enclosure (IP code) (IEC 60529:2013, IDT) IEC 60664-3 Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating ,potting or moulding for protection against pollution Note: GB/T 16935.3-2016 Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution (IEC 60664-3:2010, IDT) IEC 60695-11-10 Fire hazard testing - Part 11-10: Test flames 50W horizontal and vertical flame test methods Note: GB/T 5169.16-2017 Fire hazard testing for electric and electronic products - Part 16: Test flames - 50 W horizontal and vertical flame test methods (IEC 60695-11-10:2013, IDT) IEC 60974-7 Arc welding equipment - Part 7: Torches Note: GB 15579.7-2023 Arc welding equipment - Part 7: Torches (IEC 60974-7:2019, IDT) IEC 60974-10 Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements Note: GB 15579.10-2020 Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements (IEC 60974-10:2015, IDT) IEC 61140 Protection against electric shock - Common aspects for installation and equipment Note: GB/T 17045-2020 Protection against electric shock - Common aspects for installation and equipment (IEC 61140:2016, IDT); IEC 61558-2-4 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers Note: GB/T 19212.5-2011 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V - Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers (IEC 61558-2-4:2009, IDT) IEC 61558-2-6 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers Note: GB/T 19212.7-2012 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V - Part 7: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers (IEC 61558-2-6:2009, IDT) IEC 62133-1:2017 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells ,and for batteries made from them, for use in portable applications - Part 1: Nickel systems IEC 62133-2:2017 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary lithium cells, and for batteries made from them, for use in portable applications – Part 2: Lithium systems 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-151, IEC 60050-851, IEC 60664-1 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — IEC Electropedia: available at http://www.electropedia.org/ — ISO Online browsing platform: available at http://www.iso.org/obp 3.1 General terms and definitions 3.1.1 welding power source/arc welding power source equipment for supplying current and voltage and having the required characteristics suitable for arc welding and allied processes Note 1: A WELDING POWER SOURCE can also supply services to other equipment and auxiliaries for example auxiliary power, cooling liquid, consumable arc welding electrode and gas to shield the arc and the welding area. Note 2: This entry revises IEC 60050-851:2008, 851-13-01, which will be updated. 3.1.2 industrial and professional use use intended only for EXPERTS or INSTRUCTED PERSONS [SOURCE: IEC 60050-851:2008, 851-11 -12] 3.1.3 expert (competent person, skilled person) person who can judge the work assigned and recognize possible hazards on the basis of professional training, knowledge, experience and knowledge of the relevant equipment Note: Several years of practice in the relevant technical field can be taken into consideration in assessment of professional training. [SOURCE: IEC 60050-851:2008, 851-11-10] 3.1.4 instructed person person informed about the tasks assigned and about the possible hazards involved in neglectful behaviour Note: If necessary, the person has undergone some training. [SOURCE: IEC 60050-851:2008, 851-11-13] 3.1.5 type test test of one or more devices made to a given design to check if these devices comply with the requirements of the standard concerned [SOURCE: IEC 60050-851:2008, 851-12-05] 3.1.6 routine test test made on each individual device during or after manufacture to check if it complies with the requirements of the standard concerned or the criteria specified [SOURCE: IEC 60050-851:2008, 851-12-06] 3.1.7 visual inspection inspection by eye to verify that there are no apparent discrepancies with respect to provisions of the standard concerned [SOURCE: IEC 60050-851:2008, 851-11-11] 3.1.8 drooping characteristic external STATIC CHARACTERISTIC of a WELDING POWER SOURCE which, in its normal welding range, is such that the negative slope is greater than or equal to 7V/100A Note: This entry revises IEC 60050-851:2008, 851-12-34, which will be updated. 3.1.9 flat characteristic external STATIC CHARACTERISTIC of a WELDING POWER SOURCE which, in its normal welding range, is such that, as the current increases, the voltage either decreases by less than 7V/100A or increases by less than 10V/100A [SOURCE: IEC 60050-851:2008, 851-12-35] 3.1.10 static characteristic relationship between the voltage and the current at the output terminals of a WELDING POWER SOURCE when connected to a CONVENTIONAL LOAD Note: This entry revises IEC 60050-851:2008, 851-12-32, which will be updated. 3.1.11 welding circuit conductive material through which the WELDING CURRENT is intended to flow Note 1: In arc welding, the arc is a part of the WELDING CIRCUIT. Note 2: In certain arc welding processes, the welding arc can be established between two electrodes. In such a case, the workpiece is not necessarily a part of the WELDING CIRCUIT. [SOURCE: IEC 60050-851:2008, 851-14-10] 3.1.12 control circuit internal or external circuit for the operational control of the equipment or for protection of the power circuits, or both EXAMPLE 1: CONTROL CIRCUITS intended for interface between the WELDING POWER SOURCE and external equipment designed by the manufacturer. EXAMPLE 2: CONTROL CIRCUITS intended for interface between the WELDING POWER SOURCE and other types of ancillary equipment. Note: This entry revises IEC 60050-851:2008, 851-14-11, which will be updated.

Contents of GB/T 15579.1-2024

Foreword I Introduction V 1 Scope 2 Normative references 3 Terms and definitions 3.1 General terms and definitions 3.2 Terms and definitions related to BATTERY SYSTEMS 3.3 Terms and definitions related to efficiency and IDLE STATE power measurement 4 Environmental conditions 5 Tests 5.1 Test conditions 5.2 Measuring instruments 5.3 Conformity of components 5.4 TYPE TESTS 5.5 ROUTINE TESTS 6 Protection against electric shock 6.1 Insulation 6.2 Protection against electric shock in normal service (direct contact) 6.3 Protection against electric shock in case of a fault condition (indirect contact) 7 Thermal requirements 7.1 Heating test 7.2 Temperature measurement 7.3 Limits of TEMPERATURE RISE 7.4 Loading test 7.5 Commutators and slip-rings 8 THERMAL PROTECTION 8.1 General requirements 8.2 Construction 8.3 Location 8.4 Operating capacity 8.5 Operation 8.6 Resetting 8.7 Indication 9 Abnormal operation 9.1 General requirements 9.2 Stalled fan test 9.3 Short circuit test 9.4 Overload test 9.5 Capacitors short circuit 10 Connection to the supply network 10.1 Supply voltage 10.2 Multi-supply voltage 10.3 Means of connection to the SUPPLY CIRCUIT 10.4 Marking of terminals 10.5 PROTECTIVE CIRCUIT 10.6 Cable anchorage 10.7 Inlet openings 10.8 SUPPLY CIRCUIT on/off switching device 10.9 Supply cables 10.10 Supply coupling device (attachment plug) 11 Output 11.1 RATED NO-LOAD VOLTAGE 11.2 TYPE TEST values of the CONVENTIONAL LOAD VOLTAGE 11.3 Mechanical switching devices used to adjust output 11.4 WELDING CIRCUIT connections 11.5 Power supply to external devices connected to the WELDING CIRCUIT 11.6 Auxiliary power supply 11.7 Welding cables 12 CONTROL CIRCUITS 12.1 General requirement 12.2 Isolation of CONTROL CIRCUITS 12.3 WORKING VOLTAGE s of remote CONTROL CIRCUITS 13 HAZARD REDUCING DEVICE 13.1 General requirements 13.2 Types of HAZARD REDUCING DEVICES 13.3 Requirements for HAZARD REDUCING DEVICES 14 Mechanical provisions 14.1 General requirements 14.2 Enclosure 14.3 Handling means 14.4 Drop withstand 14.5 Tilting stability 15 RATING PLATE 15.1 General requirements 15.2 Description 15.3 Contents 15.4 Tolerances 15.5 Direction of rotation 16 Adjustment of the output 16.1 Type of adjustment 16.2 Marking of the adjusting device 16.3 Indication of current or voltage control 17 Instructions and markings 17.1 Instructions 17.2 Markings Annex A (Normative) Nominal voltages of supply networks Annex B (Informative) Example of a combined dielectric test Annex C (Normative) Unbalanced load in case of AC tungsten inert-gas welding power sources C.1 General C.2 Unbalanced load C.3 Example for an unbalanced load Annex D (Informative) Extrapolation of temperature to time of shutdown Annex E (Normative) Construction of supply circuit terminals E.1 Size of terminals E.2 Connections at the terminals E.3 Construction of the terminals E.4 Fixing of the terminals Annex F (Informative) Cross-reference to non-SI units Annex G (Informative) Suitability of supply network for the measurement of the true RMS value of the supply current Annex H (Information) Plotting of static characteristics H.1 General H.2 Method H.3 Analysis of the results Annex I (Normative) Test methods for a 10Nm impact I.1 Pendulum impact hammer I.2 Free fall spherical steel weight Annex J (Normative) Thickness of sheet metal for enclosures Annex K (Informative) Examples of rating plates Annex L (Informative) Graphical symbols for arc welding equipment L.1 General L.2 Use of symbols L.3 Symbols L.4 Examples of combinations of symbols L.5 Examples of control panels Annex M (Informative) Efficiency and IDLE STATE power measurement M.1 General conditions for measurement M.2 Measurements M.3 Test report M.4 Test report template Annex N (Normative) TOUCH CURRENT measurement Annex O (Normative) Battery-powered WELDING POWER SOURCES O.1 General O.4 Environmental conditions O.5 Tests O.6 Protection against electric shock O.7 Thermal requirements O.8 THERMAL PROTECTION O.9 Abnormal operation O.10 Connection to the supply network O.14 Mechanical provisions O.15 RATING PLATE O.17 Instructions and markings Bibliography