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IEC 60076-21:2018
M00030267
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IEC 60076-21:2018
Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
International Electrotechnical Committee
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Abstract
This document describes electrical, mechanical and test requirements of liquid-immersed,single- and three-phase, 50 Hz and 60 Hz, self and forced-air cooled, distribution, overheadand substation, step-voltage regulators, 1 000 kVA (single-phase units) or 3 000 kVA (threephaseunits) and smaller, 34 500 volts and below (2 400 V minimum) and their associatedcontrols.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| ProductNote | THIS STANDARD ALSO REFERS TO- IEEE Std 4, IEEE Std C37.90.1, IEEE Std C37.90.2, IEEE Std C37.90.3, IEEE Std C57.12.31, IEEE Std C57.19.00, IEEE Std C57.91, IEEE Std 62™, IEEE Std 315™, IEEE Std C57.12.00, IEEE Std C57.12.20, IEEE Std C57.12.80, IEEE Std C57.12.90, IEEE Std C57.13, IEEE Std C57.98, IEEE Std C57.104, IEEE Std C57.106, IEEE Std C57.131, IEEE Std C57.153, NEMA Standards Publication 250-2003 |
| Committee | TC 14 |
| Supersedes |
|