Draft Document - Power installations exceeding 1 kV AC and 1.5 kV DC - Part 2: DC (IEC 99/364/CDV:2022); German and English version prEN IEC 61936-2:2022
Short-circuit currents - Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Examples of calculations (of short-circuit current and effects) (IEC/TR 61660-3:2000-02)