要想知道的作用(yong)及特點,首先要知道功率電(dian)感是什么?
所謂(wei)的(de)(de)就是指一些電(dian)(dian)流較大的(de)(de)電(dian)(dian)感(gan),除了電(dian)(dian)感(gan)量(liang)還要考(kao)慮通過(guo)電(dian)(dian)流的(de)(de)大小,如果(guo)通過(guo)的(de)(de)電(dian)(dian)流很(hen)大,電(dian)(dian)壓也很(hen)高的(de)(de)話就是“大功率電(dian)(dian)感(gan)”。
的特點
1、功率電感體積小,表面平滑(hua)適合貼裝。
2、端面強度優異,抗振(zhen)特性好。
3、具有(you)高Q值(zhi)、低阻抗的(de)特點(dian)。
4、可(ke)在(zai)大電流的場合工作,而且直流電阻低(di),低(di)漏磁。
5、貼片功率電感(gan)可編帶包裝,便于自動化(hua)裝配,可大(da)批量生(sheng)產。
作用
1、阻流作用:電感線圈中的自感電動勢總(zong)是與(yu)線圈中的電流變化相(xiang)對抗。
2、調(diao)諧與選(xuan)頻(pin)作(zuo)用(yong):電(dian)(dian)(dian)(dian)感線圈與貼片電(dian)(dian)(dian)(dian)容器并聯就組(zu)成來(lai)(lai)了LC調(diao)諧電(dian)(dian)(dian)(dian)路(lu)(lu),電(dian)(dian)(dian)(dian)磁能量在電(dian)(dian)(dian)(dian)感、電(dian)(dian)(dian)(dian)容之(zhi)間來(lai)(lai)回(hui)(hui)振(zhen)蕩,這(zhe)就是(shi)LC回(hui)(hui)路(lu)(lu)的諧振(zhen)現象。諧振(zhen)時由于電(dian)(dian)(dian)(dian)路(lu)(lu)的感抗與容抗等值(zhi)又反向(xiang),所以回(hui)(hui)路(lu)(lu)總電(dian)(dian)(dian)(dian)流(liu)的感抗小,電(dian)(dian)(dian)(dian)流(liu)量大,因此LC諧振(zhen)電(dian)(dian)(dian)(dian)路(lu)(lu)具有選(xuan)擇頻(pin)率的作(zuo)用(yong),能將(jiang)某一頻(pin)率f的交流(liu)信號選(xuan)擇出來(lai)(lai)。
谷(gu)景電(dian)(dian)(dian)子專(zhuan)注于設計、研(yan)發、銷(xiao)售高品(pin)質貼片繞線(xian)電(dian)(dian)(dian)感(gan),,環型電(dian)(dian)(dian)感(gan)以及相關安規器件電(dian)(dian)(dian)感(gan),并(bing)提供完善的技術服(fu)務與專(zhuan)業的解決方案。想了解其他電(dian)(dian)(dian)感(gan)請撥打我們的熱線(xian)電(dian)(dian)(dian)話:。
mira