變bian頻pin就jiu是shi改gai變bian頻pin率lv,變bian頻pin的de設she備bei叫jiao變bian頻pin器qi,西xi門men子zi叫jiao矢shi量liang控kong製zhi器qi。最zui初chu的de變bian頻pin器qi隻zhi簡jian單dan改gai變bian變bian頻pin,現xian變bian頻pin器qi可ke對dui電dian壓ya,電dian流liu,頻pin率lv重zhong新xin調tiao製zhi就jiu是shi矢shi量liang控kong製zhi。利li用yong電dian力li半ban導dao體ti器qi件jian的de通tong斷duan作zuo用yong將jiang工gong頻pin電dian源yuan變bian換huan為wei另ling一yi頻pin率lv的de電dian能neng控kong製zhi裝zhuang置zhi。
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