工字(zi)型繞線電(dian)(dian)(dian)感(gan)(gan)是應用普及度非常高的一種電(dian)(dian)(dian)感(gan)(gan)產(chan)品，那么(me)你(ni)知道它電(dian)(dian)(dian)路中究竟發揮著什么(me)樣的作用嗎？本篇我們就來簡(jian)單探討(tao)一下這個問題吧。

工(gong)字(zi)型繞線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)感是由(you)磁(ci)(ci)(ci)芯纏繞而成的。工(gong)字(zi)型繞線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)感的電(dian)(dian)(dian)(dian)(dian)(dian)感是基于電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)可以通(tong)過進行(xing)交流(liu)工(gong)作電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)時，電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)內(nei)部控制周(zhou)圍(wei)環境產生(sheng)交變(bian)磁(ci)(ci)(ci)通(tong)。工(gong)字(zi)型繞線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)感一般主要(yao)用于分(fen)析各種通(tong)用電(dian)(dian)(dian)(dian)(dian)(dian)源。當電(dian)(dian)(dian)(dian)(dian)(dian)感通(tong)過DC電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)時，周(zhou)圍(wei)只有(you)一個(ge)固(gu)定的磁(ci)(ci)(ci)感線(xian)，不會因(yin)為隨(sui)著(zhu)發展時間的推移而改變(bian)；電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)技(ji)術產品(pin)輻射和泄漏的電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)波不僅具(ju)有(you)嚴(yan)重問題影響企業其他(ta)國家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)產品(pin)的正常經(jing)濟運行(xing)，造(zao)成網絡設備(bei)管理(li)功能(neng)障礙、傳輸數(shu)據錯誤，而且中國威脅(xie)著(zhu)人類(lei)的健康和安全，危害特別大。因(yin)此，減少(shao)了電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系統設備(bei)的干擾信號(hao)（EMI）已(yi)經(jing)是必須充分(fen)考(kao)慮(lv)的因(yin)素了。吸收磁(ci)(ci)(ci)環，又稱(cheng)鐵氧體磁(ci)(ci)(ci)環。

工字(zi)型繞(rao)線(xian)電(dian)(dian)(dian)(dian)感(gan)應用(yong)(yong)廣泛，因為工字(zi)型繞(rao)線(xian)電(dian)(dian)(dian)(dian)感(gan)本(ben)身使用(yong)(yong)的(de)(de)電(dian)(dian)(dian)(dian)流(liu)比較大(da)，那么(me)電(dian)(dian)(dian)(dian)感(gan)值也(ye)可以很高，所以也(ye)可以達(da)到電(dian)(dian)(dian)(dian)路要求，磁(ci)環(huan)的(de)(de)作用(yong)(yong): 磁(ci)環(huan)在(zai)不同(tong)頻率下有(you)不同(tong)的(de)(de)阻(zu)抗(kang)(kang)特性(xing)，低頻阻(zu)抗(kang)(kang)一般很小(xiao)，當信號(hao)頻率上升(sheng)(sheng)時，磁(ci)環(huan)阻(zu)抗(kang)(kang)性(xing)能急劇上升(sheng)(sheng)。正(zheng)常有(you)用(yong)(yong)信號(hao)可以很好(hao)地通過，高頻干(gan)擾信號(hao)可以很好(hao)地抑制。同(tong)時，磁(ci)環(huan)的(de)(de)作用(yong)(yong)還有(you)電(dian)(dian)(dian)(dian)感(gan)濾波(bo)信號(hao)、噪聲、電(dian)(dian)(dian)(dian)流(liu)穩定性(xing)和電(dian)(dian)(dian)(dian)磁(ci)波(bo)干(gan)擾等重要作用(yong)(yong)。由此可見(jian)，工字(zi)型繞(rao)線(xian)電(dian)(dian)(dian)(dian)感(gan)在(zai)電(dian)(dian)(dian)(dian)路中起(qi)著(zhu)重要作用(yong)(yong)。

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