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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Guide to the lightning impulse and switching impulse testing of power transformers and reactors
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
06-06-2002
English - French
01-01-1982
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
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