BS EN 60974-4:2011
$102.76
Arc welding equipment – Periodic inspection and testing
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 20 |
This part of IEC 60974 specifies test procedures for periodic inspection and, after repair, to ensure electrical safety. These test procedures are also applicable for maintenance.
This standard is applicable to power sources for arc welding and allied processes designed in accordance with IEC 60974-1 or IEC 60974-6. Stand-alone ancillary equipment designed in accordance with other part of IEC 60974 may be tested in accordance with relevant requirement of this part of IEC 60974.
NOTE 1 The welding power source may be tested with any ancillary equipment fitted that could affect the test results.
This standard is not applicable to testing of new power sources or engine-driven power sources.
NOTE 2 For a power source not built in accordance with IEC 60974-1, see Annex C.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | English CONTENTS |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 General requirements 4.1 Qualification of test personnel 4.2 Test conditions 4.3 Measuring instruments |
| 9 | 4.4 Periodic inspection and test 4.5 Maintenance 4.6 Repair 4.7 Test sequence Table 1 – Test sequence on used arc welding equipment |
| 10 | 5 Protection against electrical shock 5.1 Visual inspection 5.2 Continuity of the protective circuit 5.3 Insulation resistance 5.4 Welding circuit leakage current Table 2 – Insulation resistance |
| 11 | 5.5 Primary leakage current Figures Figure 1 – Measurement of leakage current of welding circuit |
| 12 | Figure 2 – Measuring network for primary leakage current Figure 3 – Principles of primary leakage current measurement for single phase equipment |
| 13 | 5.6 No-load voltage (U0) 6 Functional test 6.1 Function Figure 4 – Measurement of peak values |
| 14 | 6.2 Supply-circuit on/off switching device 6.3 Voltage-reducing device 6.4 Magnetic gas valve 6.5 Signal and control lamps 7 Documentation 7.1 Test report |
| 15 | 7.2 Labelling |
| 16 | Annex A (informative) Check-list for the visual inspection |
| 17 | Annex B (informative) Example of a test report after repair |
| 18 | Annex C (informative) Equipment not built in accordance with IEC 60974-1 |
