Short-circuit currents in three-phase a.c. systems - Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth— 63 стр.
Letter symbols to be used in electrical technology - Part 7: Power generation, transmission and distribution (IEC 60027-7:2010); German version EN 60027-7:2010— 39 стр.
Short-circuit current calculation in three-phase a.c. systems, Data for electrical equipment for short-circuit current calculations in accordance with BS 7639— 48 стр.
