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IEC 60364-4-442:1993 ed1.0
Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 442: Protection of low-voltage installations against faults between high-voltage systems and earth
41 стр.
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Разработчик:
Зарубежные/IEC
ICS:
13.260 Protection. Including tools for working with voltages / Защита от электрического удара. Работа под напряжением. Включая инструменты для работы под напряжением, 91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
Описание
Gives rules to ensure the safety of persons and equipment in a LV system if a fault occurs between the HV system and earth in the HV part of transformer stations which supply low-voltage systems.