|
|||
|
|||
我公司生產的10KV、35KV油浸式變壓器鐵(tie)芯多(duo)(duo)點接地故(gu)障(zhang)(zhang)的分析(xi)處理分如下(xia)四(si)(si)個步(bu)驟試驗數據(ju)分析(xi),判(pan)(pan)(pan)斷(duan)是(shi)否存在(zai)鐵(tie)芯多(duo)(duo)點接地故(gu)障(zhang)(zhang)試驗數據(ju)分析(xi)包括10KVS9油浸(jin)(jin)式變(bian)(bian)壓器油色譜數據(ju)分析(xi)和電氣(qi)(qi)測(ce)量數據(ju)分析(xi)。1.1色譜數據(ju)分析(xi):目前(qian),用(yong)油中(zhong)(zhong)溶解氣(qi)(qi)體色譜分析(xi)方(fang)法(fa)(fa)是(shi)監測(ce)10KVS9油浸(jin)(jin)式變(bian)(bian)壓器鐵(tie)芯多(duo)(duo)點接地故(gu)障(zhang)(zhang)最簡(jian)便(bian)、最為有(you)效的方(fang)法(fa)(fa)。常(chang)用(yong)的是(shi)“三比(bi)(bi)值(zhi)(zhi)(zhi)法(fa)(fa)”和德國“四(si)(si)比(bi)(bi)值(zhi)(zhi)(zhi)法(fa)(fa)”。由于(yu)三比(bi)(bi)值(zhi)(zhi)(zhi)法(fa)(fa)只能在(zai)10KVS9油浸(jin)(jin)式變(bian)(bian)壓器油中(zhong)(zhong)溶解氣(qi)(qi)體各組(zu)分含量超過(guo)注意值(zhi)(zhi)(zhi)或(huo)產氣(qi)(qi)速率(lv)超過(guo)限(xian)值(zhi)(zhi)(zhi)方(fang)可進(jin)(jin)行(xing)判(pan)(pan)(pan)斷(duan),不(bu)便(bian)于(yu)在(zai)故(gu)障(zhang)(zhang)初期進(jin)(jin)行(xing)判(pan)(pan)(pan)別,因此(ci)建(jian)議使用(yong)“四(si)(si)比(bi)(bi)值(zhi)(zhi)(zhi)法(fa)(fa)”進(jin)(jin)行(xing)判(pan)(pan)(pan)斷(duan)。利(li)用(yong)五種(zhong)特征氣(qi)(qi)體的四(si)(si)對比(bi)(bi)值(zhi)(zhi)(zhi)來(lai)判(pan)(pan)(pan)斷(duan)故(gu)障(zhang)(zhang),在(zai)四(si)(si)比(bi)(bi)值(zhi)(zhi)(zhi)法(fa)(fa)中(zhong)(zhong),以“鐵(tie)件或(huo)油箱中(zhong)(zhong)出(chu)現不(bu)平衡電流”一項來(lai)判(pan)(pan)(pan)斷(duan)10KVS9油浸(jin)(jin)式變(bian)(bian)壓器鐵(tie)芯多(duo)(duo)點接地故(gu)障(zhang)(zhang),其(qi)準確度是(shi)相當高。
本研(yan)究(jiu)報告數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)主要采用(yong)國家(jia)統(tong)計(ji)數(shu)(shu)據(ju)(ju)(ju)(ju)(ju),海(hai)關總署,問卷(juan)調查數(shu)(shu)據(ju)(ju)(ju)(ju)(ju),商務部采集數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)等(deng)數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)庫(ku)(ku)。其中宏觀經濟數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)主要來自(zi)國家(jia)統(tong)計(ji)局(ju)(ju),部分行業(ye)統(tong)計(ji)數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)主要來自(zi)國家(jia)統(tong)計(ji)局(ju)(ju)及市場(chang)(chang)調研(yan)數(shu)(shu)據(ju)(ju)(ju)(ju)(ju),企業(ye)數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)主要來自(zi)于國統(tong)計(ji)局(ju)(ju)規(gui)模企業(ye)統(tong)計(ji)數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)庫(ku)(ku)及證(zheng)券交易所等(deng),價格數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)主要來自(zi)于各類市場(chang)(chang)監測數(shu)(shu)據(ju)(ju)(ju)(ju)(ju)庫(ku)(ku)。隨著科學技術(shu)的(de)飛速(su)發展,各學科和(he)專(zhuan)業(ye)相(xiang)互(hu)滲透,許多(duo)復(fu)合型工程(cheng)專(zhuan)業(ye)都需要設(she)置電(dian)(dian)工電(dian)(dian)子技術(shu)課(ke)(ke)程(cheng)。因此,本課(ke)(ke)程(cheng)實(shi)踐性強(qiang)、覆(fu)蓋(gai)面廣的(de)特點使其成(cheng)為工科類眾多(duo)專(zhuan)業(ye)通用(yong)的(de)技術(shu)基礎(chu)課(ke)(ke)。
誠實做人,掙(zheng)合理利潤!最(zui)低的價格,最(zui)好的質量。詳(xiang)細請電話垂詢:0635-8509946 13606354450 13806353460
為能夠適應多專(zhuan)(zhuan)業的(de)(de)需要(yao),本課(ke)程的(de)(de)建設采取以知識(shi)內容的(de)(de)組(zu)合為基(ji)礎的(de)(de)模(mo)(mo)(mo)塊化課(ke)程建設方(fang)式。模(mo)(mo)(mo)塊化結(jie)構相對(dui)獨立又相互關聯,可拆拼組(zu)合適應不同專(zhuan)(zhuan)業的(de)(de)需要(yao)。本課(ke)程設置電路分析基(ji)礎、電工(gong)技(ji)術(shu)基(ji)礎、電子技(ji)術(shu)基(ji)礎三個內容模(mo)(mo)(mo)塊。這三個模(mo)(mo)(mo)塊不僅(jin)符合數控技(ji)術(shu)專(zhuan)(zhuan)業的(de)(de)需要(yao),也(ye)是為了增設其它(ta)模(mo)(mo)(mo)塊以滿足其它(ta)專(zhuan)(zhuan)業需要(yao)的(de)(de)基(ji)礎。
10KVS9油浸式變壓器現場試驗一般在下面3種情況下,需要進行局部放電試驗:
供(gong)(gong)配(pei)電(dian)(dian)(dian)系(xi)統(tong)節(jie)能(neng)主要體現(xian)在提高(gao)供(gong)(gong)配(pei)電(dian)(dian)(dian)設備效率和(he)輸(shu)送效率,除(chu)了采用(yong)供(gong)(gong)電(dian)(dian)(dian)線路合理布(bu)局(ju)和(he)10KVS9油(you)(you)浸式(shi)變(bian)(bian)壓器容量合理選擇確(que)保經濟(ji)運行等(deng)(deng)有效措施外,選用(yong)高(gao)效10KVS9油(you)(you)浸式(shi)變(bian)(bian)壓器,采用(yong)無功補償裝(zhuang)(zhuang)置等(deng)(deng)節(jie)能(neng)產(chan)品(pin)和(he)裝(zhuang)(zhuang)置也(ye)是(shi)減少輸(shu)配(pei)電(dian)(dian)(dian)損失的重要手段。另外采用(yong)裝(zhuang)(zhuang)置清除(chu)電(dian)(dian)(dian)網中的高(gao)次諧波(bo),改善(shan)三(san)相不平(ping)衡和(he)抑制(zhi)浪涌等(deng)(deng)手段,提高(gao)供(gong)(gong)電(dian)(dian)(dian)質(zhi)量也(ye)可以提高(gao)供(gong)(gong)電(dian)(dian)(dian)效率。但是(shi)現(xian)在這(zhe)類產(chan)品(pin)很多,質(zhi)量又參差不齊(qi),由于供(gong)(gong)配(pei)電(dian)(dian)(dian)系(xi)統(tong)運行負荷變(bian)(bian)化較大(da),這(zhe)些節(jie)能(neng)裝(zhuang)(zhuang)置的節(jie)能(neng)效果很難得到正確(que)評價,因(yin)此(ci)用(yong)戶應(ying)當根(gen)據高(gao)次諧波(bo)和(he)三(san)相不平(ping)衡等(deng)(deng)指(zhi)標進(jin)行對比測(ce)定(ding),對產(chan)品(pin)進(jin)行考(kao)核(he)驗證(zheng)。 |
|||
下一篇:35KVS11油浸式變壓器 | |||
上一篇:SH16(15)-10KV/0.4KV型號非晶合金變壓器 | |||