干式變(bian)(bian)壓(ya)器(qi)溫度(du)表和溫度(du)控制(zhi)器(qi)就是用(yong)于(yu)變(bian)(bian)壓(ya)器(qi)上的(de)可以(yi)三相巡回(hui)顯示變(bian)(bian)壓(ya)器(qi)繞(rao)組溫度(du)，控制(zhi)風(feng)機啟動停止，變(bian)(bian)壓(ya)器(qi)報警(jing)跳閘等功(gong)能的(de)儀器(qi)儀表，福(fu)州英(ying)諾科技提供各種(zhong)型號的(de)變(bian)(bian)壓(ya)器(qi)溫控器(qi)，價格合理，歡迎聯系(xi)

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干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)力變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)由于(yu)具(ju)有難(nan)燃、安全、維(wei)護方(fang)便、體積小等(deng)特(te)點(dian)，得到(dao)迅猛發展，并(bing)在(zai)(zai)城市的(de)高(gao)層(ceng)建筑和(he)電(dian)(dian)(dian)站(zhan)等(deng)場所(suo)得到(dao)廣(guang)泛的(de)應(ying)用(yong)。在(zai)(zai)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)運(yun)行(xing)中，如果遇到(dao)短(duan)路(lu)(lu)、過(guo)(guo)載、環境(jing)溫度過(guo)(guo)高(gao)或者(zhe)冷卻通(tong)風(feng)不夠等(deng)情況時，就會(hui)使變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)過(guo)(guo)熱。對(dui)于(yu)干(gan)(gan)式(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)，其(qi)熱平衡(heng)性能差，繞(rao)組(zu)(zu)溫度超(chao).過(guo)(guo)絕緣耐受溫度使絕緣破壞，是導(dao)致變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)不能正常工(gong)作的(de)主要原因。因此，對(dui)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)繞(rao)組(zu)(zu)的(de)運(yun)行(xing)溫度進(jin)行(xing)監測、驅(qu)動風(feng)機實現強迫風(feng)冷及(ji)報警(jing)控制是十(shi)分(fen)重要的(de)。干(gan)(gan)式(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)溫度控制系(xi)統是維(wei)護干(gan)(gan)式(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)運(yun)行(xing)的(de)重要部件(jian)，能有效防止(zhi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)溫升過(guo)(guo)高(gao)而(er)引發事故，還能促進(jin)變(bian)(bian)(bian)電(dian)(dian)(dian)站(zhan)的(de)科(ke)學管理，通(tong)過(guo)(guo)降低(di)溫度實現變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)的(de)經濟運(yun)行(xing)，其(qi)工(gong)作可靠性的(de)高(gao)低(di)和(he)操作是否方(fang)便將直(zhi)接影響到(dao)干(gan)(gan)式(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)的(de)運(yun)行(xing)質量。本設(she)計從系(xi)統功能、硬件(jian)結構和(he)程序設(she)計等(deng)方(fang)面(mian)介紹了一種(zhong)基于(yu)單(dan)片機為核心、Pt100鉑電(dian)(dian)(dian)阻為溫度傳感器(qi)(qi)擁(yong)有看門狗電(dian)(dian)(dian)路(lu)(lu)、LED顯示及(ji)簡單(dan)的(de)按鍵系(xi)統構成的(de)干(gan)(gan)式(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)溫度檢測儀(yi)，檢測儀(yi)能對(dui)干(gan)(gan)式(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)三相繞(rao)組(zu)(zu)的(de)溫度進(jin)行(xing)巡回(hui)檢測。的(de)特(te)點(dian)就是結構簡單(dan)，所(suo)需電(dian)(dian)(dian)子器(qi)(qi)件(jian)較少，且功耗低(di)，使用(yong)方(fang)便，具(ju)有十(shi)分(fen)廣(guang)泛的(de)應(ying)用(yong)前景。

干式變壓器溫度表功能

1、風機(ji)自動(dong)(dong)(dong)控制:通過預(yu)埋在低(di)壓繞組(zu)(zu)最熱(re)處的Pt100熱(re)敏測溫(wen)電阻測取溫(wen)度(du)信號。變壓器(qi)負(fu)荷增大，運行溫(wen)度(du)上(shang)升，當繞組(zu)(zu)溫(wen)度(du)達100C時，系統(tong)(tong)自動(dong)(dong)(dong)啟動(dong)(dong)(dong)風機(ji)冷卻(que);當繞組(zu)(zu)溫(wen)度(du)低(di)至80°C時，系統(tong)(tong)自動(dong)(dong)(dong)停止風機(ji)。

2、超(chao)(chao)溫(wen)(wen)報警、跳閘(zha):通過預埋在(zai)低壓(ya)繞(rao)(rao)組中的Pt100熱敏(min)測(ce)溫(wen)(wen)電阻測(ce)采集三相(xiang)繞(rao)(rao)組溫(wen)(wen)度(du)信號(hao)(hao)。當(dang)變壓(ya)器(qi)繞(rao)(rao)組溫(wen)(wen)度(du)繼(ji)續(xu)升高，若(ruo)(ruo)達到130C時(shi),系(xi)統輸出超(chao)(chao)溫(wen)(wen)報警信號(hao)(hao);若(ruo)(ruo)溫(wen)(wen)度(du)繼(ji)續(xu)上升達150C，變壓(ya)器(qi)已不能繼(ji)續(xu)運行(xing)，須向二次保護回(hui)路輸送超(chao)(chao)溫(wen)(wen)跳閘(zha)信號(hao)(hao)，應使(shi)變壓(ya)器(qi)迅速跳閘(zha)。

3、顯示系統(tong):通過預埋在低壓繞組中的Pt100熱敏(min)電阻測取(qu)溫(wen)度變(bian)化值(zhi)，直接顯示各相繞組溫(wen)度(三(san)相巡檢(jian)及最大(da)值(zhi)顯示，并可記錄歷(li)史最高溫(wen)度)。