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變壓器行業簡介

變壓器的原理

變壓(ya)器的(de)(de)(de)(de)原理(li)并不復雜，它利(li)用了電(dian)(dian)(dian)(dian)磁(ci)(ci)感應原理(li)。當(dang)其中(zhong)(zhong)一(yi)(yi)塊(kuai)(kuai)導(dao)電(dian)(dian)(dian)(dian)體有(you)(you)一(yi)(yi)些不定量的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)通(tong)(tong)(tong)過，便(bian)會產(chan)生(sheng)變動(dong)的(de)(de)(de)(de)磁(ci)(ci)場。根據電(dian)(dian)(dian)(dian)磁(ci)(ci)的(de)(de)(de)(de)互(hu)感原理(li)，這變動(dong)的(de)(de)(de)(de)磁(ci)(ci)場會使(shi)第二(er)塊(kuai)(kuai)導(dao)電(dian)(dian)(dian)(dian)體產(chan)生(sheng)電(dian)(dian)(dian)(dian)勢差。假如第二(er)塊(kuai)(kuai)導(dao)電(dian)(dian)(dian)(dian)體是(shi)一(yi)(yi)條閉(bi)合電(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)一(yi)(yi)部(bu)份，那么該閉(bi)合電(dian)(dian)(dian)(dian)路(lu)便(bian)會產(chan)生(sheng)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)。電(dian)(dian)(dian)(dian)力(li)于是(shi)得以傳送。在通(tong)(tong)(tong)用的(de)(de)(de)(de)變壓(ya)器中(zhong)(zhong)，有(you)(you)關(guan)的(de)(de)(de)(de)導(dao)電(dian)(dian)(dian)(dian)體是(shi)由電(dian)(dian)(dian)(dian)線(xian)(xian)組成線(xian)(xian)圈，因為線(xian)(xian)圈所產(chan)生(sheng)的(de)(de)(de)(de)磁(ci)(ci)場要比一(yi)(yi)條筆直的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)(xian)大得多。當(dang)初級(ji)線(xian)(xian)圈中(zhong)(zhong)通(tong)(tong)(tong)有(you)(you)交(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)時，鐵芯中(zhong)(zhong)便(bian)產(chan)生(sheng)交(jiao)流(liu)(liu)(liu)磁(ci)(ci)通(tong)(tong)(tong)，使(shi)次級(ji)線(xian)(xian)圈中(zhong)(zhong)感應出電(dian)(dian)(dian)(dian)壓(ya)。初級(ji)線(xian)(xian)圈、次級(ji)線(xian)(xian)圈的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)VS，VP和兩者的(de)(de)(de)(de)繞(rao)線(xian)(xian)的(de)(de)(de)(de)匝(za)數NS，NP之間有(you)(you)正比的(de)(de)(de)(de)關(guan)系。

至于變壓器兩方之間的電流或電壓比例，則取決于兩方電路線圈的圈數。圈數較多的一方電壓較高但電流較小，反之亦然。如果撇除泄漏等因素，變壓器兩方的電壓比例相等于兩方的線圈圈數比例，亦即電壓與圈數成正比。因此可以減小或者增加原線圈和副線圈的匝數比，從而升高或者降低電壓，變壓器品牌產品的這個性質使它(ta)成為(wei)轉換電(dian)壓(ya)(ya)(ya)的重要設備。由于變(bian)壓(ya)(ya)(ya)器(qi)遵守這兩(liang)(liang)條定律，它(ta)不會是放大(da)器(qi)。如果處在變(bian)壓(ya)(ya)(ya)器(qi)兩(liang)(liang)方(fang)的電(dian)壓(ya)(ya)(ya)有所不同(tong)，那(nei)么(me)流經變(bian)壓(ya)(ya)(ya)器(qi)兩(liang)(liang)方(fang)的電(dian)流也會不同(tong)，而兩(liang)(liang)者的差距則成反比。

干式變壓器和油浸式變壓器的區別

干式變壓(ya)器能直(zhi)接看到(dao)(dao)鐵(tie)芯和線圈，大(da)多使用硅橡膠套管，適用于配電(dian)用，容量(liang)(liang)大(da)都在(zai)(zai)1600KVA以下，電(dian)壓(ya)在(zai)(zai)10KV以下，也有(you)個別(bie)做到(dao)(dao)35KV電(dian)壓(ya)等(deng)級(ji)(ji)的(de)。油式變壓(ya)器只能看到(dao)(dao)變壓(ya)器的(de)外殼(ke)，大(da)部分使用瓷套管，可用于高(gao)壓(ya)電(dian)路，可以從小到(dao)(dao)大(da)做到(dao)(dao)全部容量(liang)(liang)，電(dian)壓(ya)等(deng)級(ji)(ji)也做到(dao)(dao)了所有(you)電(dian)壓(ya)。

變壓器的等級怎么劃分

變(bian)(bian)壓(ya)(ya)器(qi)(qi)的(de)電壓(ya)(ya)等(deng)(deng)級(ji)(ji)是固(gu)定(ding)的(de)，常見的(de)有1000KV、750KV、500KV、330KV、220KV、110KV、66KV、35KV、20KV、10KV、6KV等(deng)(deng)等(deng)(deng)。變(bian)(bian)壓(ya)(ya)器(qi)(qi)的(de)容(rong)量(liang)等(deng)(deng)級(ji)(ji)按照R10優(you)先系數(shu)來(lai)計算的(de)，可分為小型變(bian)(bian)壓(ya)(ya)器(qi)(qi)、中型變(bian)(bian)壓(ya)(ya)器(qi)(qi)、大型變(bian)(bian)壓(ya)(ya)器(qi)(qi)、特大型變(bian)(bian)壓(ya)(ya)器(qi)(qi)這四個等(deng)(deng)級(ji)(ji)。