發布日期:2022-10-09 點擊率:99
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固態繼電器和交直流控制繼電器相比,它沒有機械動作機構,全部由固態電子元器件組成。利用大功率三極管、場效應管及單相可控硅或雙向可控硅作為輸出元件。所以它的切換速度是比較高的,通常切換時間可從幾毫秒到幾微秒,故開關頻率可達到幾千赫茲到幾百萬赫茲。
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