NF C10-104*NF EN 61660-1:1997 Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1 : calculation of short-circuit
1997NF C10-104*NF EN 61660-1:1997 Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1 : calculation of short-circuit