TY - BOOK AU - International Electrotechnical Commission TI - IEC: 60909-3-2003-09; 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 PY - 2003/// CY - Geneva PB - International Electrotechnical Commission N1 - Downloaded from the IEC website ER -