IEEE C57.138-1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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IEEE Recommended Practice for Routine Impulse Test for Distribution Transformers
20-07-2021
English
22-07-1998
1. Overview
2. Normative references
3. Acronyms and abbreviations
4. General test procedures
5. Fault detection methods
6. Circuits for routine impulse testing
7. Neutral current detection circuit
8. Failure detection method
9. Verification of detector sensitivity
Annex A (informative) - Distribution transformer
voltage distribution and impulse fault detection
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