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時間繼電器

時間繼電器選擇

發布日期：2022-10-09 點擊率：94

對時間繼電器進行選擇，通常應注意以下幾個方面：

    (1)延時方式。時間繼電器有斷電延時型與通電延時型，應根據實際需要選延時方式。

    (2)復位時間。時間繼電器動作后需一定的復位時間，復位時間要比固有動作時間稍長，這一點對重復延時電路和操作頻繁的場合尤其重要。

    (3)類型選擇。對延時要求較高的場合，應選用電動機式或晶體管式時間繼電器；對延時要求不高的場合，可采用電磁阻尼式或氣囊式時間繼電器。

    (4)電源頻率。對于電源頻率波動較大的場所，不宜采用電動式時間繼電器，宜選氣囊式時間繼電器。

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