福州英諾科(ke)技提供(gong)接地干式變(bian)壓(ya)器(qi)智能溫控(kong)儀,溫控(kong)儀,干式變(bian)壓(ya)器(qi)溫度控(kong)制器(qi),干變(bian)溫控(kong)儀

由于干式變壓器具有抗短路能(neng)力強、維護工作量小、運行效(xiao)率高(gao)、體積小、噪音低等優點, 常用于防(fang)火、防(fang)爆(bao)等性(xing)能(neng)要求高(gao)的場所。 

1.安全，防火，無(wu)污染，可直接運行于負荷中心； 

2.采用先進技術，機械強度(du)高，抗短(duan)路能力(li)強，局部放(fang)電小(xiao)，熱穩定性好，可(ke)靠性高，使用壽(shou)命(ming)長； 

3.低(di)損耗，低(di)噪音，節能效果明顯，免維護(hu)； 

4.散熱性能好，過負(fu)載能力強，強迫(po)空冷時可提高(gao)容(rong)量運行； 

5.防潮性能好，適應高濕度(du)和其他(ta)惡劣環(huan)境中運行； 

6.干(gan)式變壓器可配(pei)備(bei)完善(shan)的(de)(de)溫度(du)檢(jian)(jian)測和保護系統。采用智(zhi)能(neng)(neng)信號溫控系統，可自動(dong)檢(jian)(jian)測和巡回顯示三(san)相(xiang)繞組(zu)各自的(de)(de)工作溫度(du)，可自動(dong)啟動(dong)、停止風機，并有報警、跳閘等功能(neng)(neng)設置； 

7.體積小，重量輕，占地空(kong)間少，安裝費(fei)用低。

變(bian)(bian)(bian)(bian)電(dian)(dian)(dian)(dian)所(suo)的(de)電(dian)(dian)(dian)(dian)氣設(she)(she)(she)備(bei)采(cai)用(yong)戶外布置(zhi)已有較長的(de)歷史，隨(sui)著科技進(jin)步和(he)(he)變(bian)(bian)(bian)(bian)電(dian)(dian)(dian)(dian)所(suo)設(she)(she)(she)計(ji)理念的(de)進(jin)步，電(dian)(dian)(dian)(dian)容器和(he)(he)接(jie)地(di)變(bian)(bian)(bian)(bian)室等電(dian)(dian)(dian)(dian)氣設(she)(she)(she)備(bei)均由(you)戶外移到戶內布置(zhi)，變(bian)(bian)(bian)(bian)電(dian)(dian)(dian)(dian)所(suo)也(ye)由(you)有人值(zhi)班(ban)已被(bei)無人值(zhi)班(ban)所(suo)替(ti)代。目前，大規模新建的(de)110kV及以下城市變(bian)(bian)(bian)(bian)電(dian)(dian)(dian)(dian)所(suo)均采(cai)用(yong)無人值(zhi)班(ban)戶內變(bian)(bian)(bian)(bian)電(dian)(dian)(dian)(dian)所(suo)。然(ran)而，如何進(jin)一(yi)(yi)步優化電(dian)(dian)(dian)(dian)容器和(he)(he)接(jie)地(di)變(bian)(bian)(bian)(bian)等電(dian)(dian)(dian)(dian)氣設(she)(she)(she)備(bei)室通風設(she)(she)(she)計(ji)的(de)方案，來適應變(bian)(bian)(bian)(bian)電(dian)(dian)(dian)(dian)所(suo)設(she)(she)(she)備(bei)布置(zhi)和(he)(he)設(she)(she)(she)備(bei)運行值(zhi)班(ban)方式(shi)的(de)更新，保證電(dian)(dian)(dian)(dian)網的(de)安(an)全、穩定(ding)運行，是一(yi)(yi)項非常必要和(he)(he)具有現實(shi)意義的(de)工作。

接地干式變壓器智能溫控儀

接(jie)地變(bian)壓器可(ke)檢測并顯(xian)示三相繞組溫度的(de)對應值和各高溫度值。具有(you)風機自動控(kong)制(zhi)及手動控(kong)制(zhi)功(gong)(gong)(gong)能(neng)。超溫跳閘、故(gu)障報警、系統(tong)故(gu)障自檢功(gong)(gong)(gong)能(neng)。參數可(ke)任意設定及掉電記憶功(gong)(gong)(gong)能(neng)。

干式變壓器電阻溫度計技(ji)術指(zhi)標

該裝置(zhi)按JB/T7631-94《變壓器(qi)用電阻(zu)溫(wen)度計》標準設計。

測量范圍： 0.0～200.0℃

測(ce)量精度(du)： 1℃(選用(yong)B級PTl00)

分辨力： 0.1℃

環境溫度20℃～+50℃ 

工作電源： 220VAC

抗(kang)干擾性能：對共(gong)模250V(AC，50HZ)或串(chuan)模200mV(AC，50HZ)干擾電壓(ya)，顯示(shi)值變化小于(yu)基(ji)本誤差值。

自檢報(bao)警功能：儀表故(gu)障自檢報(bao)警；輸入超量程自檢報(bao)警

故障報警(jing)輸出：傳感器開路及短路報警(jing)，繼電器觸(chu)點輸出(觸(chu)點容量5A/250VAC)

風(feng)機控制輸(shu)出：繼電器觸點輸(shu)出(觸點容量5A/250VAC)

超溫報警輸出：繼(ji)電器(qi)觸點(dian)輸出(觸點(dian)容量5A/250VAC)

跳閘報(bao)警輸(shu)出(chu)：繼電器觸點輸(shu)出(chu)(觸點容(rong)量5A/250VAC)

干式變壓器溫度控制(zhi)器工作(zuo)原理

溫(wen)(wen)控(kong)(kong)儀有(you)溫(wen)(wen)度(du)(du)(du)監測(ce)(ce)(ce)(ce)(ce)系(xi)統(tong)(tong)(tong)和(he)風機(ji)測(ce)(ce)(ce)(ce)(ce)控(kong)(kong)系(xi)統(tong)(tong)(tong)兩(liang)部分(fen)組(zu)成(cheng)(cheng)。溫(wen)(wen)度(du)(du)(du)檢測(ce)(ce)(ce)(ce)(ce)系(xi)統(tong)(tong)(tong)以(yi)單片(pian)機(ji)作為中(zhong)央(yang)處理單元。配合其(qi)它電路構成(cheng)(cheng)溫(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)監測(ce)(ce)(ce)(ce)(ce)系(xi)統(tong)(tong)(tong)，完成(cheng)(cheng)溫(wen)(wen)度(du)(du)(du)的(de)測(ce)(ce)(ce)(ce)(ce)量(liang)、顯(xian)示及相應(ying)信號輸(shu)出(chu)的(de)功能(neng)。風機(ji)測(ce)(ce)(ce)(ce)(ce)控(kong)(kong)系(xi)統(tong)(tong)(tong)完成(cheng)(cheng)各種狀態報警和(he)冷(leng)卻風機(ji)的(de)控(kong)(kong)制(zhi)輸(shu)出(chu)。溫(wen)(wen)度(du)(du)(du)監測(ce)(ce)(ce)(ce)(ce)系(xi)統(tong)(tong)(tong)中(zhong)，預(yu)埋在干式變壓器三相繞組(zu)中(zhong)三支鉑熱電阻(zu)(zu)傳感器(ptl00)產(chan)生與繞組(zu)溫(wen)(wen)度(du)(du)(du)值(zhi)相對(dui)應(ying)的(de)電阻(zu)(zu)信號，經濾(lv)波，放大和(he)A/D模(mo)數轉(zhuan)換后(hou)輸(shu)入單片(pian)機(ji)。單片(pian)機(ji)根據輸(shu)入的(de)測(ce)(ce)(ce)(ce)(ce)量(liang)資(zi)(zi)料以(yi)及由外部設定(ding)(ding)(包(bao)括廠家與用戶(hu))的(de)各種控(kong)(kong)制(zhi)參(can)數，經過(guo)計算與處理，顯(xian)示被測(ce)(ce)(ce)(ce)(ce)量(liang)繞組(zu)的(de)溫(wen)(wen)度(du)(du)(du)值(zhi)并輸(shu)出(chu)相應(ying)的(de)控(kong)(kong)制(zhi)信號。測(ce)(ce)(ce)(ce)(ce)控(kong)(kong)系(xi)統(tong)(tong)(tong)中(zhong)配有(you)大容(rong)量(liang)EEPROM芯片(pian)，可隨時存貯測(ce)(ce)(ce)(ce)(ce)量(liang)資(zi)(zi)料，能(neng)夠對(dui)所有(you)的(de)設定(ding)(ding)參(can)數及測(ce)(ce)(ce)(ce)(ce)量(liang)資(zi)(zi)料進(jin)行(xing)掉電保護。