IEC 60722:1982
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Guide to the lightning impulse and switching impulse testing of power transformers and reactors
Hardcopy , PDF
English - French
01-01-1982
06-06-2002
Contents
Foreword
Preface
Clause
1. Scope
2. General
3. Specified wave-shapes
4. Test circuit
5. Calibration
6. Lightning impulse tests
6.1 Wave-shapes
6.2 Impulses chopped on the tail
6.3 Terminal connections of the test object and
methods of failure detection
6.4 Test procedures
6.5 Oscillographic recording
7. Switching impulse tests
7.1 Special requirements
7.2 Transformers
7.3 Reactors
8. Interpretation of oscillograms
8.1 Lightning impulse
8.2 Switching impulse
Figures
Appendix A - Principles of wave-shape control
Appendix B - Typical oscillographic records
Gives guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC 60076-3. Also generally applicable to the testing of reactors, see IEC 60289, modification to power transformer procedures being indicated where required. Information is given on wave shapes, test circuits including test connections, earthing practices, failure detection methods, test procedures, measuring techniques and interpretation of results.
| DocumentType |
Standard
|
| Pages |
67
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| DIN VDE 0532-13 : 1984 | Identical |
| AS 2732-1984 | Identical |
| VDE 0532-13 : 1984 | Similar to |
| NEN NPR 10722 : 1983 | Identical |
| UNE 20177:1985 | Identical |
| DIN VDE 0532-13 : 1984 | Corresponds |
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