Project Details
To establish a uniform method for preparing samples, conducting tests, and analyzing results for establishing a comparative thermal life of insulation systems intended for use in dry-type transformers described in NEMA ST 1-1988 - Specialty Transformers (Except General Purpose Type) and NEMA ST 20-2014 - Dry Type Transformers for General Applications.
| Standards Committee | |
| PAR Approval |
2020-12-03
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| PARs |
Additional Resources Details
| Historical Base Standard |
Working Group Details
| Working Group |
DryType-WG259 - Dry Type Transformers - Evaluation of Systems of Insulation for Dry-Type Specialty Working Group
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| Standards Committee | |
| Society | |
| IEEE Program Manager | |
| Existing Standards |
A uniform method by which the thermal endurance of electrical insulation systems for dry-type specialty and general-purpose transformers can be compared is established. Covered are insulation systems intended for use in the types of transformers described in NEMA ST 1-1988 and NEMA ST 20-1992.
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