IEEE C57.91-1981

IEEE Guide for Loading Mineral-Oil-Immersed Overhead and Pad-Mounted Distribution Transformers Rated 500kVA and Less with 65 C or 55 C Average Winding Rise

NORMA vydaná dňa 31.7.1981

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The information about the standard:

Designation standards: IEEE C57.91-1981
Note: NEPLATNÁ
Publication date standards: 31.7.1981
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE