ДСТУ EN 60974-1:2014 Оборудование для дуговой сварки. Часть 1. Источники питания для сварки (EN 60974-1:2012, IDT)

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EN 60974-1:2012

Arc welding equipment - Part 1: Welding power sources

прийнято як національний стандарт
методом «підтвердження» за позначенням
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ДСТУ EN 60974-1:2014
(EN 60974-1:2012, IDT)

Устатковання для дугового зварювання. Частина 1. Джерела живлення для зварювання

З наданням чинності від 2016–01–01

CONTENTS

1 Scope

2 Normative references

3 Terms and definitions

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

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 circuit

12.3 Working voltages 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 (informative) Nominal voltages of supply networks

Annex B (informative) Example of a combined dielectric test

Annex C (normative) Unbalanced load in case of a.c. tungsten inert-gas welding power sources

Annex D (informative) Extrapolation of temperature to time of shutdown

Annex E (normative) Construction of supply circuit terminals

Annex F (informative) Cross-reference to non-SI units

Annex G (informative) Suitability of supply network for the measurement of the true r.m.s. value of the supply current

Annex H (informative) Plotting of static characteristics

Annex I (normative) Test methods for a 10 Nm impact

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

Annex M (informative) Efficiency

Annex N (normative) Touch current measurement in fault condition

Bibliography