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電(dian)力(li)系統的節能降(jiang)(jiang)損(sun)是建設節約型社(she)會的重要(yao)組成部分。尤其(qi)是配電(dian)系統面廣量(liang)(liang)大(da)，其(qi)節能降(jiang)(jiang)損(sun)問(wen)題既關系千(qian)家萬戶的用電(dian)質(zhi)量(liang)(liang)，又直(zhi)接影響供(gong)(gong)電(dian)企業的經濟效(xiao)益。在很多場合，變壓(ya)器的負(fu)載運行存在著明顯(xian)高峰期(qi)與低(di)(di)谷期(qi)，低(di)(di)谷期(qi)的變壓(ya)器就接近空(kong)載狀態，此時的變壓(ya)器空(kong)載損(sun)耗約占(zhan)整(zheng)個(ge)供(gong)(gong)電(dian)損(sun)耗的40％左右。因此降(jiang)(jiang)低(di)(di)變壓(ya)器輕負(fu)載時的空(kong)載損(sun)耗對于降(jiang)(jiang)低(di)(di)整(zheng)個(ge)供(gong)(gong)電(dian)損(sun)耗具有(you)十分重要(yao)的意義(yi)。

S11-M.ZT型(xing)(xing)智(zhi)(zhi)(zhi)能(neng)有(you)載(zai)(zai)調容(rong)變(bian)壓器(qi)(qi)室是我公司(si)(si)與(yu)中國電(dian)(dian)力科學技術(shu)研究(jiu)院為適(shi)應上(shang)述要求而聯合開發的(de)(de)一(yi)(yi)種新(xin)型(xing)(xing)節(jie)能(neng)變(bian)壓器(qi)(qi)，該產(chan)品采用(yong)智(zhi)(zhi)(zhi)能(neng)有(you)載(zai)(zai)調容(rong)技術(shu)，降低了變(bian)壓器(qi)(qi)的(de)(de)空載(zai)(zai)損(sun)耗，具有(you)顯著的(de)(de)節(jie)能(neng)效(xiao)果，其(qi)分為智(zhi)(zhi)(zhi)能(neng)型(xing)(xing)有(you)載(zai)(zai)調容(rong)配電(dian)(dian)變(bian)壓器(qi)(qi)和(he)(he)(he)智(zhi)(zhi)(zhi)能(neng)型(xing)(xing)有(you)載(zai)(zai)調容(rong)電(dian)(dian)力變(bian)壓器(qi)(qi)。前者適(shi)用(yong)于季(ji)節(jie)負(fu)荷或晝(zhou)夜負(fu)荷變(bian)化較大的(de)(de)農村和(he)(he)(he)城市商(shang)業(ye)區(qu)(qu)(qu)、工業(ye)開發區(qu)(qu)(qu)、居(ju)民(min)小區(qu)(qu)(qu)等10KV配電(dian)(dian)臺區(qu)(qu)(qu)和(he)(he)(he)箱式變(bian)電(dian)(dian)站．后者適(shi)用(yong)于上(shang)一(yi)(yi)級的(de)(de)35kv輸變(bian)電(dian)(dian)系統(tong)，是智(zhi)(zhi)(zhi)能(neng)變(bian)配電(dian)(dian)臺區(qu)(qu)(qu)的(de)(de)主(zhu)要產(chan)品，2011年被(bei)國家電(dian)(dian)網(wang)公司(si)(si)列入第(di)一(yi)(yi)重點推(tui)廣新(xin)技術(shu)目錄(lu)。

·通(tong)過(guo)降損節能(neng)取得良好的(de)經濟效(xiao)益(yi)和社會效(xiao)益(yi)

·解決農村現(xian)有臺區(qu)由于季節性負荷變(bian)化所造成的(de)“大馬拉小車”和嚴重過載的(de)問題(ti)

·代替“母(mu)子變壓器(qi)”，節約投資(zi)成本、節省占地面積

·克服了無載調(diao)容需(xu)停電人工調(diao)節的缺陷  

·向配電(dian)綜合管理系統和電(dian)網經濟(ji)運(yun)行系統提供檢測數(shu)據，符(fu)合智能電(dian)網要(yao)求

·利于供電管(guan)理模式的改變，提高配(pei)電管(guan)理水(shui)平(ping)

智能(neng)型有(you)載調(diao)容變壓(ya)器在行業(ye)內率(lv)先采用(yong)(yong)(yong)分節(jie)式(shi)結構，既可(ke)(ke)用(yong)(yong)(yong)于(yu)高電壓(ya)等級(ji)，又(you)能(neng)用(yong)(yong)(yong)于(yu)較低電壓(ya)等級(ji)，并保(bao)持其精度不變。以100／200KV／2mA分兩節(jie)為例，單節(jie)時(shi)可(ke)(ke)做100KV／4mA使(shi)(shi)用(yong)(yong)(yong)，可(ke)(ke)用(yong)(yong)(yong)于(yu)35KV及(ji)以下系統電氣設備直(zhi)流(liu)(liu)高壓(ya)試(shi)(shi)驗(yan)，此時(shi)可(ke)(ke)保(bao)證測量的(de)(de)準確性避(bi)免大(da)馬拉小(xiao)車(che)；智能(neng)型直(zhi)流(liu)(liu)高壓(ya)發生器兩節(jie)使(shi)(shi)用(yong)(yong)(yong)時(shi)可(ke)(ke)做200KV／2mA使(shi)(shi)用(yong)(yong)(yong)。可(ke)(ke)用(yong)(yong)(yong)于(yu)220KV分節(jie)、110KV及(ji)以下氧(yang)化鋅避(bi)雷器直(zhi)流(liu)(liu)試(shi)(shi)驗(yan)及(ji)交(jiao)聯電纜的(de)(de)直(zhi)流(liu)(liu)耐壓(ya)試(shi)(shi)驗(yan)。真正(zheng)做到一機兩用(yong)(yong)(yong)，大(da)大(da)方便了現場用(yong)(yong)(yong)戶的(de)(de)使(shi)(shi)用(yong)(yong)(yong)。

使用環境

安裝地點 戶(hu)內、戶(hu)外(wai)

環境溫度(du) -25℃——+40℃

相對溫度(du) 小于等于95％

海拔高度 1000m以下(xia)

工(gong)作原(yuan)理    

智能型(xing)有載(zai)(zai)(zai)調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)變(bian)(bian)壓(ya)器(qi)(qi)工(gong)作原理如(ru)(ru)圖1所示，有載(zai)(zai)(zai)調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)控制器(qi)(qi)通過檢測變(bian)(bian)壓(ya)器(qi)(qi)低(di)壓(ya)側的(de)電(dian)壓(ya)、電(dian)流(liu)，來(lai)判斷當前負(fu)荷電(dian)流(liu)大(da)小，如(ru)(ru)果滿足調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)條件(jian)則發出調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)指令給有載(zai)(zai)(zai)調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)開關，有載(zai)(zai)(zai)調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)開關根(gen)據調(diao)(diao)容(rong)(rong)(rong)(rong)(rong)指令進行容(rong)(rong)(rong)(rong)(rong)量切換(huan)，實現變(bian)(bian)壓(ya)器(qi)(qi)內(nei)部高、低(di)壓(ya)線圈的(de)星、角(jiao)變(bian)(bian)換(huan)和串(chuan)、并聯轉換(huan)，完成(cheng)變(bian)(bian)壓(ya)器(qi)(qi)帶負(fu)載(zai)(zai)(zai)情況下的(de)容(rong)(rong)(rong)(rong)(rong)量切換(huan)。

整體方案

智能(neng)型有載(zai)(zai)調(diao)容變(bian)(bian)壓(ya)(ya)器(qi)主要(yao)由變(bian)(bian)壓(ya)(ya)器(qi)、有載(zai)(zai)調(diao)容開關(guan)、有載(zai)(zai)調(diao)容控制器(qi)及附件組成，配電變(bian)(bian)壓(ya)(ya)器(qi)可以通過串口／USB接口與(yu)(yu)筆記本電腦連接或(huo)依靠ZIGBEE微功(gong)耗無線收發(fa)(fa)模塊與(yu)(yu)手(shou)持PDA終端連接，實現就地數(shu)據下(xia)載(zai)(zai)、數(shu)據查看和參數(shu)整定；還可通過外置(zhi)GPRS模塊或(huo)以太(tai)網模塊。將運(yun)行(xing)數(shu)據發(fa)(fa)送到遠方監控中心．實現智能(neng)型有載(zai)(zai)調(diao)容變(bian)(bian)壓(ya)(ya)器(qi)遠程(cheng)監控功(gong)能(neng)。