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 vydána dne 31.7.1981
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
Kategorie: Technické normy IEEE