江蘇華辰(chen)發(fa)明了(le)一種干式(shi)變(bian)壓器低壓箔式(shi)線(xian)圈引(yin)線(xian)結(jie)(jie)構(gou)及引(yin)線(xian)繞制工(gong)藝，涉及變(bian)壓器領域。發(fa)明采(cai)用(yong)雙層箔分流(liu)(liu)疊繞結(jie)(jie)構(gou)纏(chan)繞，每(mei)(mei)層銅箔采(cai)用(yong)單獨的(de)引(yin)出結(jie)(jie)構(gou)，使(shi)得低壓線(xian)圈額定電(dian)流(liu)(liu)平分到每(mei)(mei)組引(yin)線(xian)銅排(pai)上(shang)，有(you)效(xiao)避免了(le)電(dian)流(liu)(liu)過大時導致的(de)銅排(pai)適用(yong)度小的(de)問題，同時也有(you)效(xiao)縮減了(le)現場使(shi)用(yong)場地。

施耐(nai)德電(dian)(dian)氣發明了一種變(bian)壓(ya)器保(bao)(bao)(bao)(bao)(bao)護(hu)方法、裝(zhuang)置、繼(ji)電(dian)(dian)保(bao)(bao)(bao)(bao)(bao)護(hu)器及(ji)(ji)供(gong)電(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)。該方法提供(gong)供(gong)電(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)拓(tuo)撲結(jie)(jie)構(gou)與(yu)保(bao)(bao)(bao)(bao)(bao)護(hu)電(dian)(dian)流整(zheng)(zheng)定(ding)值之(zhi)間的(de)(de)(de)(de)(de)預設對(dui)(dui)應(ying)(ying)關系(xi)(xi)(xi)，任一繼(ji)電(dian)(dian)保(bao)(bao)(bao)(bao)(bao)護(hu)器在(zai)獲取供(gong)電(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)拓(tuo)撲結(jie)(jie)構(gou)信(xin)(xin)息之(zhi)后，基(ji)于(yu)該預設對(dui)(dui)應(ying)(ying)關系(xi)(xi)(xi)確定(ding)與(yu)供(gong)電(dian)(dian)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)當(dang)前拓(tuo)撲結(jie)(jie)構(gou)對(dui)(dui)應(ying)(ying)的(de)(de)(de)(de)(de)目(mu)標(biao)(biao)保(bao)(bao)(bao)(bao)(bao)護(hu)電(dian)(dian)流整(zheng)(zheng)定(ding)值，還會獲取其所(suo)屬供(gong)電(dian)(dian)子系(xi)(xi)(xi)統(tong)(tong)內(nei)的(de)(de)(de)(de)(de)變(bian)壓(ya)器的(de)(de)(de)(de)(de)進線(xian)側(ce)(ce)電(dian)(dian)流以及(ji)(ji)所(suo)屬供(gong)電(dian)(dian)子系(xi)(xi)(xi)統(tong)(tong)內(nei)的(de)(de)(de)(de)(de)弧(hu)光(guang)傳(chuan)感(gan)器的(de)(de)(de)(de)(de)弧(hu)光(guang)檢(jian)測(ce)(ce)信(xin)(xin)號(hao)，在(zai)進線(xian)側(ce)(ce)電(dian)(dian)流大于(yu)等(deng)于(yu)目(mu)標(biao)(biao)保(bao)(bao)(bao)(bao)(bao)護(hu)電(dian)(dian)流整(zheng)(zheng)定(ding)值，且弧(hu)光(guang)檢(jian)測(ce)(ce)信(xin)(xin)號(hao)表(biao)征檢(jian)測(ce)(ce)到弧(hu)光(guang)的(de)(de)(de)(de)(de)情(qing)況下，斷開所(suo)屬供(gong)電(dian)(dian)子系(xi)(xi)(xi)統(tong)(tong)內(nei)的(de)(de)(de)(de)(de)變(bian)壓(ya)器與(yu)供(gong)電(dian)(dian)網絡的(de)(de)(de)(de)(de)連(lian)接(jie)，方案兼顧保(bao)(bao)(bao)(bao)(bao)護(hu)靈敏度(du)及(ji)(ji)保(bao)(bao)(bao)(bao)(bao)護(hu)穩定(ding)性，能夠解決現(xian)有技術中變(bian)壓(ya)器保(bao)(bao)(bao)(bao)(bao)護(hu)方法存(cun)在(zai)的(de)(de)(de)(de)(de)問題。

保變(bian)電(dian)(dian)氣發明了(le)一(yi)種變(bian)壓器有(you)載開關(guan)電(dian)(dian)位電(dian)(dian)阻的(de)安裝結構及(ji)方法，屬于變(bian)壓器制作技術領域。發明的(de)有(you)益效果(guo)是：既滿(man)足安裝需求(qiu)，同時又能(neng)降(jiang)低開關(guan)固定板(ban)的(de)強度(du)要求(qiu)，并且能(neng)充分利用(yong)油(you)箱內的(de)空間，方便引線(xian)的(de)裝配。

特變電工(gong)申請了一種“變壓器絕緣(yuan)件的測試工(gong)裝”發(fa)明專利(li)。采(cai)用此發(fa)明測試工(gong)裝能夠得(de)到對應不同抽(chou)真空階(jie)段的絕緣(yuan)件樣品，以及得(de)到對應不同注油階(jie)段的絕緣(yuan)件樣品。

小編在國(guo)家(jia)知識產權(quan)局網(wang)站(zhan)中以(yi)“變壓器(qi)”為“發(fa)(fa)明名稱”進行(xing)檢索(suo)，發(fa)(fa)現截(jie)至2023年10月20日，變壓器(qi)行(xing)業共(gong)計有115067項(xiang)(xiang)專利(li)。在2018年至2022年期間，變壓器(qi)專利(li)申(shen)請(qing)數(shu)量整(zheng)體呈(cheng)波動趨勢，其中2020年全(quan)行(xing)業申(shen)請(qing)最多，全(quan)年共(gong)申(shen)請(qing)了13673項(xiang)(xiang)變壓器(qi)專利(li)。