江蘇(su)華(hua)辰(chen)發明(ming)了(le)(le)一種(zhong)干式變壓(ya)器低壓(ya)箔式線(xian)圈引線(xian)結構及(ji)引線(xian)繞(rao)(rao)制工藝，涉及(ji)變壓(ya)器領域。發明(ming)采用(yong)雙層箔分流(liu)疊繞(rao)(rao)結構纏繞(rao)(rao)，每層銅箔采用(yong)單獨的引出結構，使得低壓(ya)線(xian)圈額定(ding)電流(liu)平分到(dao)每組引線(xian)銅排上，有(you)效避免了(le)(le)電流(liu)過(guo)大(da)時導(dao)致的銅排適用(yong)度小的問題，同(tong)時也(ye)有(you)效縮(suo)減了(le)(le)現(xian)場使用(yong)場地。

施耐德電(dian)(dian)(dian)(dian)氣發明(ming)了一(yi)種變壓(ya)器(qi)(qi)(qi)保(bao)(bao)護(hu)(hu)方法、裝置、繼電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)及(ji)供(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統(tong)。該方法提(ti)供(gong)供(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統(tong)的(de)拓撲結構(gou)與保(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)流整(zheng)定值之(zhi)間的(de)預(yu)設對(dui)應(ying)關(guan)系(xi)(xi)(xi)(xi)，任一(yi)繼電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)在獲取供(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統(tong)的(de)拓撲結構(gou)信(xin)息之(zhi)后，基于(yu)(yu)該預(yu)設對(dui)應(ying)關(guan)系(xi)(xi)(xi)(xi)確(que)定與供(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統(tong)的(de)當前(qian)拓撲結構(gou)對(dui)應(ying)的(de)目(mu)標保(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)流整(zheng)定值，還會獲取其所(suo)屬供(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)(xi)統(tong)內(nei)的(de)變壓(ya)器(qi)(qi)(qi)的(de)進線(xian)側電(dian)(dian)(dian)(dian)流以(yi)及(ji)所(suo)屬供(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)(xi)統(tong)內(nei)的(de)弧(hu)(hu)光(guang)傳感器(qi)(qi)(qi)的(de)弧(hu)(hu)光(guang)檢測信(xin)號(hao)，在進線(xian)側電(dian)(dian)(dian)(dian)流大于(yu)(yu)等于(yu)(yu)目(mu)標保(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)流整(zheng)定值，且(qie)弧(hu)(hu)光(guang)檢測信(xin)號(hao)表征檢測到弧(hu)(hu)光(guang)的(de)情況下(xia)，斷開所(suo)屬供(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)(xi)統(tong)內(nei)的(de)變壓(ya)器(qi)(qi)(qi)與供(gong)電(dian)(dian)(dian)(dian)網絡的(de)連接，方案兼顧(gu)保(bao)(bao)護(hu)(hu)靈敏度及(ji)保(bao)(bao)護(hu)(hu)穩定性，能夠解決現有(you)技(ji)術中變壓(ya)器(qi)(qi)(qi)保(bao)(bao)護(hu)(hu)方法存在的(de)問題。

保變(bian)電(dian)氣發明了一種(zhong)變(bian)壓器有載(zai)開(kai)關電(dian)位電(dian)阻的(de)安(an)裝結構及(ji)方(fang)法，屬(shu)于(yu)變(bian)壓器制(zhi)作技術(shu)領域。發明的(de)有益效(xiao)果是：既滿足(zu)安(an)裝需求，同時又(you)能降低開(kai)關固定板的(de)強度要(yao)求，并且能充分利用油箱內(nei)的(de)空間(jian)，方(fang)便引線的(de)裝配。

特變電工(gong)申請了一(yi)種(zhong)“變壓器絕緣件(jian)(jian)的(de)測試工(gong)裝”發明專利(li)。采用此發明測試工(gong)裝能夠得到對應不同抽真空階段的(de)絕緣件(jian)(jian)樣(yang)品，以及得到對應不同注油階段的(de)絕緣件(jian)(jian)樣(yang)品。

小編(bian)在國家(jia)知(zhi)識產權局網(wang)站(zhan)中以“變(bian)壓器(qi)”為“發(fa)(fa)明(ming)名稱(cheng)”進行(xing)檢索，發(fa)(fa)現截至2023年(nian)10月(yue)20日，變(bian)壓器(qi)行(xing)業(ye)共計(ji)有115067項專(zhuan)(zhuan)(zhuan)利。在2018年(nian)至2022年(nian)期(qi)間，變(bian)壓器(qi)專(zhuan)(zhuan)(zhuan)利申(shen)請數(shu)量整體(ti)呈(cheng)波動趨勢，其中2020年(nian)全(quan)(quan)行(xing)業(ye)申(shen)請最多，全(quan)(quan)年(nian)共申(shen)請了13673項變(bian)壓器(qi)專(zhuan)(zhuan)(zhuan)利。