RO
SR EN 60076-4:2003
Power transformers -- Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
Gives guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of EN 60076-3. Also generally applicable to the testing of reactors (see EN 60289), modifications to power transformer procedures being indicated where required. Information is given on waveshapes, test circuits including test connections, earthing practices, failure detection methods, test procedures, measuring techniques and interpretation of results.
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Status :
Valid
Approval date : 10/31/2003
Publish date : 11/1/2003
Number of pages : 66
ICS : 29.180 Transformers. Reactors
Technical Committee : 3 - Power transformers