江(jiang)蘇(su)華辰發(fa)明(ming)了一(yi)種(zhong)干式變壓(ya)(ya)(ya)器低壓(ya)(ya)(ya)箔式線(xian)圈引(yin)線(xian)結(jie)構(gou)(gou)及引(yin)線(xian)繞(rao)制(zhi)工藝，涉及變壓(ya)(ya)(ya)器領域。發(fa)明(ming)采(cai)用雙層箔分流疊(die)繞(rao)結(jie)構(gou)(gou)纏繞(rao)，每(mei)層銅(tong)箔采(cai)用單獨的(de)引(yin)出結(jie)構(gou)(gou)，使得低壓(ya)(ya)(ya)線(xian)圈額定電流平(ping)分到(dao)每(mei)組引(yin)線(xian)銅(tong)排上，有效避免了電流過大時導致(zhi)的(de)銅(tong)排適用度小的(de)問題，同時也有效縮減了現場(chang)使用場(chang)地。

施(shi)耐德電(dian)(dian)(dian)(dian)氣發明(ming)了一(yi)種變壓(ya)(ya)器(qi)(qi)保(bao)(bao)護(hu)(hu)方法(fa)(fa)、裝置、繼(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)器(qi)(qi)及(ji)供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統。該方法(fa)(fa)提供(gong)(gong)供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統的(de)(de)(de)(de)拓撲結構與保(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)流(liu)整定(ding)(ding)值(zhi)之間的(de)(de)(de)(de)預設對應(ying)關系(xi)(xi)(xi)(xi)，任一(yi)繼(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)器(qi)(qi)在(zai)獲取供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統的(de)(de)(de)(de)拓撲結構信(xin)息(xi)之后(hou)，基于該預設對應(ying)關系(xi)(xi)(xi)(xi)確(que)定(ding)(ding)與供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統的(de)(de)(de)(de)當前拓撲結構對應(ying)的(de)(de)(de)(de)目(mu)標保(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)流(liu)整定(ding)(ding)值(zhi)，還會獲取其所(suo)屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)(xi)統內(nei)的(de)(de)(de)(de)變壓(ya)(ya)器(qi)(qi)的(de)(de)(de)(de)進(jin)線(xian)側電(dian)(dian)(dian)(dian)流(liu)以及(ji)所(suo)屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)(xi)統內(nei)的(de)(de)(de)(de)弧(hu)光(guang)(guang)(guang)傳感器(qi)(qi)的(de)(de)(de)(de)弧(hu)光(guang)(guang)(guang)檢測(ce)信(xin)號(hao)，在(zai)進(jin)線(xian)側電(dian)(dian)(dian)(dian)流(liu)大于等于目(mu)標保(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)流(liu)整定(ding)(ding)值(zhi)，且弧(hu)光(guang)(guang)(guang)檢測(ce)信(xin)號(hao)表征(zheng)檢測(ce)到(dao)弧(hu)光(guang)(guang)(guang)的(de)(de)(de)(de)情況下(xia)，斷開所(suo)屬(shu)供(gong)(gong)電(dian)(dian)(dian)(dian)子(zi)系(xi)(xi)(xi)(xi)統內(nei)的(de)(de)(de)(de)變壓(ya)(ya)器(qi)(qi)與供(gong)(gong)電(dian)(dian)(dian)(dian)網絡的(de)(de)(de)(de)連接，方案兼顧保(bao)(bao)護(hu)(hu)靈敏(min)度及(ji)保(bao)(bao)護(hu)(hu)穩定(ding)(ding)性，能夠解決(jue)現有技術中變壓(ya)(ya)器(qi)(qi)保(bao)(bao)護(hu)(hu)方法(fa)(fa)存在(zai)的(de)(de)(de)(de)問題。

保變(bian)電氣發明了一種變(bian)壓(ya)器有載開關電位電阻的(de)(de)安裝(zhuang)結構及方法，屬于變(bian)壓(ya)器制(zhi)作技(ji)術領域。發明的(de)(de)有益效果(guo)是：既滿足安裝(zhuang)需求(qiu)(qiu)，同時又能降低開關固定板的(de)(de)強度要求(qiu)(qiu)，并(bing)且能充分利(li)用(yong)油箱內的(de)(de)空間(jian)，方便(bian)引線(xian)的(de)(de)裝(zhuang)配。

特變(bian)電工申(shen)請了一種(zhong)“變(bian)壓器絕緣(yuan)件的(de)測(ce)試(shi)工裝”發明專利。采(cai)用此發明測(ce)試(shi)工裝能夠得(de)到對應不(bu)同抽(chou)真空階段的(de)絕緣(yuan)件樣品，以(yi)及得(de)到對應不(bu)同注油階段的(de)絕緣(yuan)件樣品。

小編在國家(jia)知識產權局(ju)網站中(zhong)(zhong)以“變(bian)壓(ya)器”為“發(fa)明名稱”進(jin)行(xing)檢(jian)索，發(fa)現截至(zhi)2023年(nian)(nian)10月20日，變(bian)壓(ya)器行(xing)業共計有(you)115067項(xiang)專利。在2018年(nian)(nian)至(zhi)2022年(nian)(nian)期間(jian)，變(bian)壓(ya)器專利申請數量整體呈波動趨勢(shi)，其(qi)中(zhong)(zhong)2020年(nian)(nian)全行(xing)業申請最(zui)多(duo)，全年(nian)(nian)共申請了13673項(xiang)變(bian)壓(ya)器專利。