江蘇華辰發(fa)明了(le)一種干式(shi)變壓器低壓箔式(shi)線圈引線結(jie)構及(ji)引線繞(rao)制工(gong)藝，涉及(ji)變壓器領域(yu)。發(fa)明采(cai)用(yong)(yong)雙層箔分(fen)流疊(die)繞(rao)結(jie)構纏繞(rao)，每(mei)層銅(tong)箔采(cai)用(yong)(yong)單獨的引出結(jie)構，使得低壓線圈額(e)定電(dian)流平分(fen)到(dao)每(mei)組引線銅(tong)排(pai)上，有效避免了(le)電(dian)流過(guo)大時導致的銅(tong)排(pai)適(shi)用(yong)(yong)度小的問題，同時也有效縮減(jian)了(le)現場(chang)使用(yong)(yong)場(chang)地。

施(shi)耐德電(dian)(dian)(dian)(dian)氣發明了一種(zhong)變(bian)壓(ya)器保護(hu)(hu)方法(fa)、裝置、繼電(dian)(dian)(dian)(dian)保護(hu)(hu)器及供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong)。該方法(fa)提供(gong)(gong)供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong)的(de)(de)(de)(de)拓撲(pu)結構(gou)與保護(hu)(hu)電(dian)(dian)(dian)(dian)流(liu)整定值(zhi)之間(jian)的(de)(de)(de)(de)預設(she)對(dui)應(ying)(ying)關系(xi)，任一繼電(dian)(dian)(dian)(dian)保護(hu)(hu)器在獲取供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong)的(de)(de)(de)(de)拓撲(pu)結構(gou)信(xin)息之后，基于(yu)該預設(she)對(dui)應(ying)(ying)關系(xi)確定與供(gong)(gong)電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong)的(de)(de)(de)(de)當前拓撲(pu)結構(gou)對(dui)應(ying)(ying)的(de)(de)(de)(de)目(mu)標保護(hu)(hu)電(dian)(dian)(dian)(dian)流(liu)整定值(zhi)，還會獲取其所屬供(gong)(gong)電(dian)(dian)(dian)(dian)子系(xi)統(tong)(tong)內的(de)(de)(de)(de)變(bian)壓(ya)器的(de)(de)(de)(de)進線側(ce)電(dian)(dian)(dian)(dian)流(liu)以(yi)及所屬供(gong)(gong)電(dian)(dian)(dian)(dian)子系(xi)統(tong)(tong)內的(de)(de)(de)(de)弧(hu)(hu)光(guang)(guang)傳感器的(de)(de)(de)(de)弧(hu)(hu)光(guang)(guang)檢測信(xin)號，在進線側(ce)電(dian)(dian)(dian)(dian)流(liu)大于(yu)等于(yu)目(mu)標保護(hu)(hu)電(dian)(dian)(dian)(dian)流(liu)整定值(zhi)，且弧(hu)(hu)光(guang)(guang)檢測信(xin)號表征(zheng)檢測到弧(hu)(hu)光(guang)(guang)的(de)(de)(de)(de)情況下，斷(duan)開所屬供(gong)(gong)電(dian)(dian)(dian)(dian)子系(xi)統(tong)(tong)內的(de)(de)(de)(de)變(bian)壓(ya)器與供(gong)(gong)電(dian)(dian)(dian)(dian)網絡的(de)(de)(de)(de)連接，方案兼顧保護(hu)(hu)靈敏(min)度及保護(hu)(hu)穩定性(xing)，能(neng)夠解決現有技術(shu)中(zhong)變(bian)壓(ya)器保護(hu)(hu)方法(fa)存(cun)在的(de)(de)(de)(de)問題。

保變(bian)電(dian)氣發明了一(yi)種變(bian)壓(ya)器(qi)有載(zai)開(kai)(kai)關電(dian)位電(dian)阻的安裝(zhuang)結(jie)構(gou)及方(fang)法，屬于(yu)變(bian)壓(ya)器(qi)制(zhi)作技術(shu)領域。發明的有益效(xiao)果是：既滿足安裝(zhuang)需求(qiu)，同(tong)時(shi)又能降(jiang)低開(kai)(kai)關固定板的強度要求(qiu)，并且能充分利(li)用油箱(xiang)內的空間(jian)，方(fang)便(bian)引線(xian)的裝(zhuang)配。

特變電工(gong)申(shen)請了(le)一種“變壓器絕緣(yuan)件(jian)的測試工(gong)裝”發(fa)明專利(li)。采用此發(fa)明測試工(gong)裝能(neng)夠(gou)得(de)到對(dui)(dui)應不同抽(chou)真空(kong)階(jie)段的絕緣(yuan)件(jian)樣品(pin)，以及得(de)到對(dui)(dui)應不同注(zhu)油階(jie)段的絕緣(yuan)件(jian)樣品(pin)。

小(xiao)編在國家知識產權局網站中(zhong)以“變(bian)壓(ya)(ya)(ya)(ya)器”為“發(fa)明名(ming)稱”進行(xing)檢索，發(fa)現(xian)截(jie)至2023年10月20日，變(bian)壓(ya)(ya)(ya)(ya)器行(xing)業共(gong)計(ji)有115067項專(zhuan)利(li)(li)。在2018年至2022年期間，變(bian)壓(ya)(ya)(ya)(ya)器專(zhuan)利(li)(li)申(shen)請數量(liang)整體呈波動趨勢，其中(zhong)2020年全行(xing)業申(shen)請最多，全年共(gong)申(shen)請了13673項變(bian)壓(ya)(ya)(ya)(ya)器專(zhuan)利(li)(li)。