據(ju)IEC 60384-14,電(dian)容器分為X電(dian)容及Y電(dian)容:
1. X電(dian)(dian)容(rong)是(shi)指跨于(yu)L-N之間的電(dian)(dian)容(rong)器。
2. Y電容是指跨于L-G/N-G之間的電容器。
(L=Line, N=Neutral, G=Ground)
X電(dian)容(rong)底下又(you)分為(wei)X1, X2, X3,主(zhu)要(yao)差別在于(yu):1. X1耐高壓大于(yu)2.5 kV,小于(yu)等于(yu)4 kV, 2. X2耐高壓小于(yu)等于(yu)2.5 kV。
3. X3耐高壓小(xiao)于等于1.2 kV
Y電容底下又分為Y1, Y2, Y3,Y4,主要差別在于:1. Y1耐高(gao)(gao)壓(ya)大(da)(da)于8 kV;2. Y2耐高(gao)(gao)壓(ya)大(da)(da)于5 kV;3. Y3耐高(gao)(gao)壓(ya)n/a;4. Y4耐高(gao)(gao)壓(ya)大(da)(da)于2.5 kV
X,Y電(dian)容(rong)都(dou)是(shi)安規(gui)電(dian)容(rong),火(huo)線零線間的(de)是(shi)X電(dian)容(rong),火(huo)線與地間的(de)是(shi)Y電(dian)容(rong)。
它們用在電源濾波器里,起到電源濾波作用,分別對共模(Y電容),差模(X電容)干擾起濾波作用。
東莞(guan)市佑晨電子科(ke)技(ji)有限公司作為總部(bu)是一家專業(ye)生產及(ji)銷售電容(rong)器的(de)企(qi)業(ye)。1990年始創于臺(tai)(tai)灣臺(tai)(tai)中市,1997年8月投資廣東省東莞(guan)市,憑借良好的(de)企(qi)業(ye)發展理念和(he)專 業(ye)技(ji)術(shu)水平,在電子元件領域(yu)迅(xun)速崛起(qi)。公司走(zou)多(duo)元化發展道路(lu),現旗下有多(duo)家生產企(qi)業(ye)及(ji)銷售公司。
一.抑制電源電磁干擾用電容器
當在電(dian)(dian)源跨線電(dian)(dian)路中使用電(dian)(dian)容(rong)器(qi)來消除噪音時,不(bu)僅僅只有正常(chang)電(dian)(dian)壓,還必須考(kao)慮到異常(chang)的(de)脈(mo)沖電(dian)(dian)壓(如(ru)閃電(dian)(dian))的(de)產(chan)生,這可能會(hui)導致電(dian)(dian)容(rong)器(qi)冒煙(yan)或(huo)者起(qi)火。所以,跨線電(dian)(dian)容(rong)器(qi)的(de)安全標(biao)準對于在不(bu)同國(guo)家有嚴格規定,故必須使用經過安全認證(zheng)的(de)電(dian)(dian)容(rong)器(qi)。
二(er).不允許將直(zhi)流電容(rong)器(qi)用作跨(kua)線電容(rong)器(qi)使(shi)用:
對于(yu)(yu)X2類抑制(zhi)電(dian)(dian)源電(dian)(dian)磁干(gan)擾(rao)用(yong)電(dian)(dian)容器應適(shi)用(yong)于(yu)(yu)在(zai)電(dian)(dian)容器失(shi)效時不(bu)(bu)會導(dao)致電(dian)(dian)擊危險的場合,如電(dian)(dian)源跨(kua)線路(lu)連(lian)接(jie)(jie),可承(cheng)受(shou)2.5kV的脈沖電(dian)(dian)壓。 對于(yu)(yu)Y2類抑制(zhi)電(dian)(dian)源電(dian)(dian)磁干(gan)擾(rao)用(yong)電(dian)(dian)容器應適(shi)用(yong)于(yu)(yu)在(zai)電(dian)(dian)容器失(shi)效時不(bu)(bu)會導(dao)致電(dian)(dian)擊危險的場合,用(yong)于(yu)(yu)電(dian)(dian)源跨(kua)線路(lu)連(lian)接(jie)(jie)時,能承(cheng)受(shou)5kV的脈沖電(dian)(dian)壓沖擊,不(bu)(bu)致發生擊穿現(xian)