NBN EN 60076-4 : 2003
Current
The latest, up-to-date edition.
POWER TRANSFORMERS - PART 4: GUIDE TO THE LIGHTNING IMPULSE AND SWITCHING IMPULSE TESTING - POWER TRANSFORMERS AND REACTORS
12-01-2013
1 Scope
2 Normative references
3 General
4 Specified waveshapes
5 Test circuit
6 Calibration
7 Lightning impulse tests
7.1 Waveshapes
7.2 Impulses chopped on the tail
7.3 Terminal connections and applicable methods of
failure detection
7.4 Test procedures
7.5 Recording of tests
8 Switching impulse tests
8.1 Special requirements
8.2 Transformers
8.3 Reactors
9 Interpretation of oscillograms or digital recordings
9.1 Lightning impulse
9.2 Switching impulse
1O Digital processing, including transfer function analysis
11 Impulse test reports
Annex A (informative) Principles of waveshape control
Annex B (informative) Typical oscillograms and digital
recordings
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Figures
Table B.1
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