NEMA TR 1
Transformers, Step Voltage Regulators and Reactors
| Organization: | NEMA |
| Publication Date: | 1 January 2013 |
| Status: | inactive |
| Page Count: | 23 |
scope:
This standards publication applies to single phase and poly phase power and distribution transformers (including step-voltage regulators and reactors). This standard excludes dry type transformers covered by NEMA ST20. This publication provides a reference list of applicable ANSI and IEEE C57 standards.
In addition, this publication includes certain NEMA standard test methods, test codes, properties, etc. of liquidimmersed transformers, step-voltage regulators, and reactors that are not IEEE standards.
Document History