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РЗА • Просмотр темы - токовая защита нулевой последовательности

токовая защита нулевой последовательности

Здесь обсуждаются существующие и создание новых схем по релейной защите, а также решаются вопросы связанные с поиском необходимых схем

токовая защита нулевой последовательности

Сообщение satab » Пн окт 18, 2010 14:42

Какую оптимально схему (или дополнительное устройство РЗА) можно применить по обновлению токовой защиты ТЗНП по стороне НН
Т-1000кВа КТП1000-У3.
Имеется ТЗНП , реализованная на РТ-81, использующая ТТ 1000/5. Работает только на отключение выключателя АВМ-20 (2000А) по 0,4кВ (не всегда корректно). Хотелось бы получить еще и защиту и от межфазных симметричных КЗ по 0,4кВ.
satab
 
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Сообщение V_r » Пн окт 18, 2010 15:47

Поставьте, например, микроэлектронное реле РС-80. Оно будет защищать линию от всех видов повреждений
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V_r
 
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токовая защита нулевой последовательности

Сообщение satab » Вт окт 19, 2010 13:08

satab
 
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Откуда: ТАССР

Сообщение Захаров О.Г. » Вт окт 19, 2010 13:30

Захаров О.Г.
 
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