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РЗА • Просмотр темы - причина не правильной работы вакуумного выключателя

причина не правильной работы вакуумного выключателя

В этом разделе обсуждаются случаи неправильной работы УРЗА и возможные пути предотвращения их...

Сообщение VXCoder » Вт мар 02, 2010 15:35

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VXCoder
 
Сообщения: 60
Зарегистрирован: Пн дек 07, 2009 20:59
Откуда: Nyagan

Сообщение Гость » Вт мар 02, 2010 23:03

студент, снимали ли Вы минималки с катушки отключения. Может у них завышенное напряжение срабатывание.

Второе предложение. Дефект самого электромагнита отключения (перекос, загрязнение и т.д.). Сколько времени работает выключатель?

Зачем понадобилось преобразовывать 220В постоянки в 110. Ведь Ровенские выключатели ВР-1 спокойно могут работать и на 220В, там только в некоторых местах сопротивления изменяются. А Вы добавили еще один преобразователь, который аж никак не вносит надежность в общую работу схемы.

Постоянный ток берется от АБ? Хватает ли мощности преобразователя для отключения выключателя? Если я не ошибаюсь, то их электромагнит при напряжении питания 220В при отключении потребляет 16А, а это ни много не мало а больше 3-х киловат.
Гость
 


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