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‘永昌’牌(pai)10KV非晶合金(jin)變壓器的(de)(de)(de)主要功(gong)(gong)能(neng)包(bao)括:在線、實(shi)時(shi)、連(lian)(lian)續地監(jian)測(ce)(ce)和(he)(he)(he)顯示(shi)氫氣的(de)(de)(de)ppm值(zhi);在線、實(shi)時(shi)、連(lian)(lian)續地監(jian)測(ce)(ce)和(he)(he)(he)顯示(shi)溶解水分的(de)(de)(de)相對飽和(he)(he)(he)度和(he)(he)(he)ppm值(zhi);顯示(shi)包(bao)括測(ce)(ce)量(liang)日期(qi)、機箱溫(wen)度、油溫(wen)等多(duo)種儀器信息(xi);針對不同的(de)(de)(de)監(jian)測(ce)(ce)狀態量(liang),設置多(duo)個等級的(de)(de)(de)告警值(zhi)進行告警;設備參數(shu)設定(ding)及歷史(shi)數(shu)據(ju)下載、存(cun)儲;自動連(lian)(lian)接(jie)及信息(xi)獲取功(gong)(gong)能(neng);數(shu)據(ju)OPC接(jie)1功(gong)(gong)能(neng)(數(shu)據(ju)和(he)(he)(he)報警信息(xi)的(de)(de)(de)上傳。
非晶合金變壓器或組成非晶合金變壓器組的干式變壓器,則可以連接為星形、三角形等。星形聯接是各相線圈的一端接成一個公共點 (中性點、,其余接端子接到相應的線端上;三角形聯接是三個相線圈互相串聯形成閉合回路,由串聯處接至相應的線端。星形、三角形、曲折形等聯接,現在對于高壓繞組分別用符號y、D、Z表示;對于中壓和低壓繞組分別用符號y、d、z表示。有中性點引出時則分別用符號YN、ZN和yn、zn表示。變壓器按高壓、中壓和低壓繞組聯接的順序組合起來就是繞組的聯接組,例如:變壓器按高壓為D、低壓為yn聯接,則繞組聯接組為Dyn(Dyn11、y)
非(fei)晶合金變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)調(diao)(diao)(diao)壓(ya)(ya)(ya)范圍:變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)接在(zai)電(dian)(dian)(dian)網上運(yun)行(xing)時(shi),變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)二次(ci)(ci)側(ce)(ce)電(dian)(dian)(dian)壓(ya)(ya)(ya)將由(you)于種種原因發生變(bian)(bian)(bian)(bian)(bian)化,影(ying)響用(yong)電(dian)(dian)(dian)設備(bei)的(de)(de)(de)工常運(yun)行(xing)。因此變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)應(ying)具備(bei)一定的(de)(de)(de)調(diao)(diao)(diao)壓(ya)(ya)(ya)能力。根據變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)的(de)(de)(de)工作原理(li),當高、低壓(ya)(ya)(ya)繞(rao)組的(de)(de)(de)匝數比變(bian)(bian)(bian)(bian)(bian)化時(shi),變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)二次(ci)(ci)側(ce)(ce)電(dian)(dian)(dian)壓(ya)(ya)(ya)也隨(sui)之(zhi)變(bian)(bian)(bian)(bian)(bian)動,采用(yong)改(gai)變(bian)(bian)(bian)(bian)(bian)變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)匝數比即可達(da)到調(diao)(diao)(diao)壓(ya)(ya)(ya)的(de)(de)(de)目的(de)(de)(de)。變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)調(diao)(diao)(diao)壓(ya)(ya)(ya)方式通常分為(wei)無(wu)勵磁(ci)調(diao)(diao)(diao)壓(ya)(ya)(ya)和有載調(diao)(diao)(diao)壓(ya)(ya)(ya)兩種方式。當二次(ci)(ci)側(ce)(ce)不(bu)帶負載,一次(ci)(ci)側(ce)(ce)又與電(dian)(dian)(dian)網斷開時(shi)的(de)(de)(de)調(diao)(diao)(diao)壓(ya)(ya)(ya)為(wei)無(wu)勵磁(ci)調(diao)(diao)(diao)壓(ya)(ya)(ya),在(zai)二次(ci)(ci)側(ce)(ce)帶負載下(xia)的(de)(de)(de)調(diao)(diao)(diao)壓(ya)(ya)(ya)為(wei)有載調(diao)(diao)(diao)壓(ya)(ya)(ya)。
哪些情況下(xia)應對(dui)10KV非晶合金變壓器進行(xing)特巡?1、新設(she)或(huo)經過(guo)檢修、改造的(de)變壓器(qi)在(zai)投運72小時內;2、有嚴重缺陷時;3、氣(qi)象突變(bian);4、雷(lei)雨季節特(te)別(bie)是雷(lei)雨后;5、高(gao)溫季節、高(gao)峰負荷期間;6、變壓器急救負荷運(yun)行時。 在電機、變壓器(qi)及(ji)各(ge)種鐵(tie)磁(ci)(ci)(ci)元件中(zhong)常用(yong)磁(ci)(ci)(ci)性材料(liao)做(zuo)成(cheng)一定(ding)形狀(zhuang)的鐵(tie)心(xin)(xin)。鐵(tie)心(xin)(xin)的磁(ci)(ci)(ci)導率(lv)比周圍空(kong)氣或其它物質的磁(ci)(ci)(ci)導率(lv)高的多(duo),磁(ci)(ci)(ci)通(tong)的絕大部分經過鐵(tie)心(xin)(xin)形成(cheng)閉(bi)合通(tong)路(lu),磁(ci)(ci)(ci)通(tong)的閉(bi)合路(lu)徑稱(cheng)為(wei)磁(ci)(ci)(ci)路(lu)。
10KV非(fei)晶合金變(bian)壓器磁(ci)路分析的(de)特(te)點 1、在(zai)處理電(dian)路時(shi)不(bu)涉及(ji)電(dian)場問題(ti),在(zai)處理磁路時(shi)離不(bu)開磁場的概念; 2、在處理(li)電(dian)路時(shi)一般(ban)可以不考(kao)慮漏電(dian)流,在處理(li)磁路時(shi)一般(ban)都(dou)要考(kao)慮漏磁通; 3、磁(ci)路歐(ou)(ou)姆(mu)定(ding)律和電路歐(ou)(ou)姆(mu)定(ding)律只(zhi)是(shi)在形(xing)式(shi)上相似。由(you)于(yu)A不(bu)(bu)是(shi)常(chang)數,其隨勵磁(ci)電流(liu)而變(bian),磁(ci)路歐(ou)(ou)姆(mu)定(ding)律不(bu)(bu)能(neng)直接用來(lai)計(ji)算,只(zhi)能(neng)用于(yu)定(ding)性(xing)分析;
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