Short-circuit current calculation in three-phase a.c.systems—Part 4: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth
NORMA vydaná dňa 29.12.2017
Označenie normy: GB/T 15544.4-2017
Dátum vydania normy: 29.12.2017
Krajina: Čínska technická norma
Kategória: Technické normy GB