Instrument Transformer Ratio and Phase Angle
Review status: Unreviewed
Data records
- Instrument Transformer Ratio and Phase Angle is specified for current transformers in acceptance testing at clause 7.10.1.B.3 of ANSI/NETA ATS-2025. Value: current transformers.
- Instrument Transformer Ratio and Phase Angle is specified for current transformers in maintenance testing at clause 7.10.1.B.4 of ANSI/NETA MTS-2023. Value: current transformers.
- Instrument Transformer Ratio and Phase Angle is specified for low-voltage network protectors in acceptance testing at clause 7.8.B.5 of ANSI/NETA ATS-2025. Value: low-voltage network protectors.
- Instrument Transformer Ratio and Phase Angle is specified for low-voltage network protectors in maintenance testing at clause 7.8.B.5 of ANSI/NETA MTS-2023. Value: low-voltage network protectors.
- Instrument Transformer Ratio and Phase Angle is addressed in ANSI/NETA ATS-2025.
- Instrument Transformer Ratio and Phase Angle is addressed in ANSI/NETA MTS-2023.
- Instrument Transformer Ratio and Phase Angle is addressed in IEEE C57.13-2016.
- Instrument Transformer Ratio and Phase Angle is addressed in IEEE C57.13.1-2017.
- Instrument Transformer Ratio and Phase Angle is addressed in IEEE C57.13.6-2005.
- The test method is named Instrument Transformer Ratio and Phase Angle. Value: Instrument Transformer Ratio and Phase Angle.
Sources
- ANSI/NETA ATS-2025, Acceptance Testing Specifications for Electrical Power Equipment and Systems, 2025 edition, NETA. Cited: clause 7.10.1.B.3; clause 7.8.B.5. Held as: Purchased single-user copy. Publisher page
- ANSI/NETA MTS-2023, Maintenance Testing Specifications for Electrical Power Equipment and Systems, 2023 edition, NETA. Cited: clause 7.10.1.B.4; clause 7.8.B.5. Held as: Purchased single-user copy. Publisher page
- Electrical Testing Reference editorial taxonomy, Electrical Testing Reference editorial taxonomy of test methods, 2026-10 edition, Electrical Testing Reference. Held as: Own observation.
- IEEE C57.13-2016, Requirements for Instrument Transformers, 2016 edition, IEEE. Cited: clause 5.1. Held as: Purchased single-user copy. Publisher page
- IEEE C57.13.1-2017, Guide for Field Testing of Relaying Current Transformers, 2017 edition, IEEE. Cited: clause 13. Held as: Purchased single-user copy. Publisher page
- IEEE C57.13.6-2005, Requirements for High-Accuracy Instrument Transformers, 2005 edition, IEEE. Cited: clause 7.2. Held as: Purchased single-user copy. Publisher page
Obtaining the documents
- ANSI/NETA ATS-2025: publisher catalog or sales page
- ANSI/NETA MTS-2023: publisher catalog or sales page
- IEEE C57.13-2016: publisher catalog or sales page
- IEEE C57.13.1-2017: publisher catalog or sales page
- IEEE C57.13.6-2005: publisher catalog or sales page
Changelog (12 entries)
| Date | Revision | Change | Reason | By |
|---|---|---|---|---|
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.equipment.instrument.acceptance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.equipment.instrument.maintenance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.equipment.network-protector.acceptance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | edited (tests.instrument-transformer-ratio-and-phase-angle.equipment.network-protector.acceptance) | statement regenerated from corrected seed source (prose rule 7) | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.equipment.network-protector.maintenance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | edited (tests.instrument-transformer-ratio-and-phase-angle.equipment.network-protector.maintenance) | statement regenerated from corrected seed source (prose rule 7) | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.governed-by.ansi-neta-ats) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.governed-by.ansi-neta-mts) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.governed-by.ieee-c57-13) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.governed-by.ieee-c57-13-1) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.governed-by.ieee-c57-13-6) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.instrument-transformer-ratio-and-phase-angle.title) | seeded from the test taxonomy | agent |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
Plain
"Instrument Transformer Ratio and Phase Angle." Electrical Testing Reference. 2026-10-13. https://www.electricaltestingreference.com/tests/instrument-transformer-ratio-and-phase-angle/.
Legal (Bluebook, internet source)
Electrical Testing Reference, Instrument Transformer Ratio and Phase Angle (Oct. 13, 2026), https://www.electricaltestingreference.com/tests/instrument-transformer-ratio-and-phase-angle/.
BibTeX
@misc{etr-tests-instrument-transformer-ratio-and-phase-angle,
title = {Instrument Transformer Ratio and Phase Angle},
howpublished = {\url{https://www.electricaltestingreference.com/tests/instrument-transformer-ratio-and-phase-angle/}},
organization = {Electrical Testing Reference},
publisher = {Electrical Testing Reference},
year = {2026},
note = {last substantive change 2026-10-13}
} Wikipedia
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