M00022619
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PERFORMANCE AND TEST REQUIREMENTS FOR INSTRUMENT TRANSFORMERS OF A NOMINAL SYSTEM VOLTAGE OF 115 KV AND ABOVE
Institute of Electrical & Electronics Engineers
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Availability date: 10/29/2021
1. Overview
2. Normative references
3. Definitions
4. General
5. Test conditions
6. Classification of test
7. Routine test procedures (applicable to instrument
transformers)
8. Routine test procedures (applicable to current
transformers)
9. Routine test procedures (applicable to voltage
transformers)
10. Type test procedures (applicable to instrument
transformers)
11. Type test procedure (applicable to current
transformers)
12. Special test procedures
13. Identification of test sample in the type test
report
Annex A (normative) - Test code
Annex B (informative) - Dielectric test performed at
an altitude of 1000 m or less for instrument
transformers designed for installation at
altitudes greater than 1000 m
Annex C (informative) - Dielectric tests, oil sampling,
and other related measurements in the field
Annex D (informative) - Internal arc protection for
instrument transformers
Annex E (normative) - Validity of type test reports
and guidance for reviewing the design comparison
report for the modified design
Annex F (informative) - Rated voltage factor
Annex G (normative) - Current transformers used for the
detection of unbalance current of capacitor banks
Annex H (informative) - Current transformers having
transient performance requirements
Annex I (informative) - Electrical endurance test,
explanatory note
Annex J (informative) - Bibliography
Pertains to single-phase instrument transformers of a nominal system voltage of 115 kV and above with capacitive insulation system for line-to-ground connection and for both indoor and outdoor application.
Published | |
Document Type | Standard |
Status | Current |
Publisher | Institute of Electrical & Electronics Engineers |
Pages | |
ISBN |