Transformer Turns Ratio
Review status: Unreviewed
Data records
- Transformer Turns Ratio is specified for voltage transformers in acceptance testing at clause 7.10.2.B.3 of ANSI/NETA ATS-2025. Value: voltage transformers.
- Transformer Turns Ratio is specified for voltage transformers in maintenance testing at clause 7.10.2.B.4 of ANSI/NETA MTS-2023. Value: voltage transformers.
- Transformer Turns Ratio is specified for step voltage regulators in acceptance testing at clause 7.12.1.1.B.10 of ANSI/NETA ATS-2025. Value: step voltage regulators.
- Transformer Turns Ratio is specified for step voltage regulators in maintenance testing at clause 7.12.1.1.B.8 of ANSI/NETA MTS-2023. Value: step voltage regulators.
- Transformer Turns Ratio is specified for liquid-filled transformers in acceptance testing at clause 7.2.2.B.3 of ANSI/NETA ATS-2025. Value: liquid-filled transformers.
- Transformer Turns Ratio is specified for liquid-filled transformers in maintenance testing at clause 7.2.2.B.3 of ANSI/NETA MTS-2023. Value: liquid-filled transformers.
- Transformer Turns Ratio is specified for small low-voltage air-cooled dry-type transformers in acceptance testing at clause 7.2.1.1.B.3 of ANSI/NETA ATS-2025. Value: small low-voltage air-cooled dry-type transformers.
- Transformer Turns Ratio is specified for small low-voltage air-cooled dry-type transformers in maintenance testing at clause 7.2.1.1.B.3 of ANSI/NETA MTS-2023. Value: small low-voltage air-cooled dry-type transformers.
- Transformer Turns Ratio is addressed in ANSI/NETA ATS-2025.
- Transformer Turns Ratio is addressed in ANSI/NETA MTS-2023.
- Transformer Turns Ratio is addressed in IEEE C57.12.00-2021.
- Transformer Turns Ratio is addressed in IEEE C57.12.01-2020.
- Transformer Turns Ratio is addressed in IEEE C57.18.10-2021.
- The test method is named Transformer Turns Ratio. Value: Transformer Turns Ratio.
Sources
- ANSI/NETA ATS-2025, Acceptance Testing Specifications for Electrical Power Equipment and Systems, 2025 edition, NETA. Cited: clause 7.10.2.B.3; clause 7.12.1.1.B.10; clause 7.2.2.B.3; clause 7.2.1.1.B.3. 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 7.10.2.B.4; clause 7.12.1.1.B.8; clause 7.2.2.B.3; clause 7.2.1.1.B.3. 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 C57.12.00-2021, General Requirements for Liquid-Immersed Distribution, Power and Regulating Transformers, 2021 edition, IEEE. Cited: clause 9.1. Held as: Purchased single-user copy. Publisher page
- IEEE C57.12.01-2020, General Requirements for Dry-Type Distribution and Power Transformers, 2020 edition, IEEE. Cited: clause 9.1. Held as: Purchased single-user copy. Publisher page
- IEEE C57.18.10-2021, Semiconductor Power Rectifier Transformers, 2021 edition, IEEE. Cited: clause 8.10. 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 C57.12.00-2021: publisher catalog or sales page
- IEEE C57.12.01-2020: publisher catalog or sales page
- IEEE C57.18.10-2021: publisher catalog or sales page
Changelog (14 entries)
| Date | Revision | Change | Reason | By |
|---|---|---|---|---|
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.instrument.acceptance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.instrument.maintenance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.regulator.acceptance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.regulator.maintenance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.transformer-fluid.acceptance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.transformer-fluid.maintenance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.transformer.acceptance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.equipment.transformer.maintenance) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.governed-by.ansi-neta-ats) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.governed-by.ansi-neta-mts) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.governed-by.ieee-c57-12-00) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.governed-by.ieee-c57-12-01) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.governed-by.ieee-c57-18-10) | seeded from the test taxonomy | agent | |
| 2026-10-13 | created (tests.transformer-turns-ratio.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
"Transformer Turns Ratio." Electrical Testing Reference. 2026-10-13. https://www.electricaltestingreference.com/tests/transformer-turns-ratio/.
Legal (Bluebook, internet source)
Electrical Testing Reference, Transformer Turns Ratio (Oct. 13, 2026), https://www.electricaltestingreference.com/tests/transformer-turns-ratio/.
BibTeX
@misc{etr-tests-transformer-turns-ratio,
title = {Transformer Turns Ratio},
howpublished = {\url{https://www.electricaltestingreference.com/tests/transformer-turns-ratio/}},
organization = {Electrical Testing Reference},
publisher = {Electrical Testing Reference},
year = {2026},
note = {last substantive change 2026-10-13}
} Wikipedia
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