Short-circuit current calculation in three-phase a.c. systems - Part 3: Currents during two separate simultaneous single phase line-to-earth short circuits and partial short-circuit currents flowing through earth
NORMA vydána dne 15.9.1999
Designation standards: UNE 21239-3:1999
Note: NEPLATNÁ
Publication date standards: 15.9.1999
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE