Short-circuit current calculation in three-phase a.c. systems. Currents during two separate simultaneous single phase line-to- earth short circuits and partial short-circuit currents flowing through earth— 36 стр.
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.
International Electrotechnical Vocabulary. Chapter 603: Generation, transmission and distribution of electricity - Power systems planning and management— 56 стр.
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Insulation monitoring devices for IT systems— 50 стр.
Measurements and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008) (english version)
