Abstract： IEC 60076-4:2002 pdf free download.Power transformers -Part 4: Guide to the lightning impulse andswitching impulse testing- ower transformers and reactors. This part of IEC 60076 gives guidance and explanatory comments on the existing proce...

IEC 60076-4:2002 pdf free download.Power transformers -Part 4: Guide to the lightning impulse andswitching impulse testing- ower

transformers and reactors.

This part of IEC 60076 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. Ii is also generally applicable to the testing of

reactors (see IEC 80289). modificat’ons 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

Where applicable, the test techniques are as recommended in IEC 60060-1 and IEC 60080-2.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition

cited applies. For undated references, the latest edition of the referenced document (including any amendments) appiies。

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