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變(bian)(bian)(bian)壓(ya)(ya)器(qi)是電力系(xi)統中(zhong)重要(yao)的設備之(zhi)一，其(qi)正(zheng)常運行(xing)直接影響到電力系(xi)統的穩定性和(he)可靠性。而(er)變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)變(bian)(bian)(bian)比(bi)(bi)測(ce)(ce)(ce)試(shi)(shi)是檢測(ce)(ce)(ce)變(bian)(bian)(bian)壓(ya)(ya)器(qi)性能的重要(yao)手段(duan)之(zhi)一，因(yin)此，使用(yong)變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)變(bian)(bian)(bian)比(bi)(bi)測(ce)(ce)(ce)試(shi)(shi)儀(yi)進行(xing)檢測(ce)(ce)(ce)具有重要(yao)意義。變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)變(bian)(bian)(bian)比(bi)(bi)測(ce)(ce)(ce)試(shi)(shi)儀(yi)是一種專門用(yong)于檢測(ce)(ce)(ce)變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)變(bian)(bian)(bian)比(bi)(bi)的儀(yi)器(qi)。它采用(yong)*電子測(ce)(ce)(ce)量技(ji)術，能夠(gou)快速、準確地測(ce)(ce)(ce)量出(chu)變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)的匝數比(bi)(bi)和(he)相(xiang)位關系(xi)，從而(er)反映出(chu)變(bian)(bian)(bian)壓(ya)(ya)器(qi)的性能和(he)狀態。使用(yong)變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)變(bian)(bian)(bian)比(bi)(bi)測(ce)(ce)(ce)試(shi)(shi)儀(yi)進行(xing)檢測(ce)(ce)(ce)的步驟如下(xia)：準備測(ce)(ce)(ce)試(shi)(shi)儀(yi)器(qi)和(he)工具，包括變(bian)(bian)(bian)壓(ya)(ya)器(qi)繞(rao)(rao)(rao)組(zu)(zu)變(bian)(bian)(bian)比(bi)(bi)測(ce)(ce)(ce)試(shi)(shi)儀(yi)、電源、測(ce)(ce)(ce)試(shi)(shi)線、螺絲刀等。將(jiang)測(ce)(ce)(ce)試(shi)(shi)線插入變(bian)(bian)(bian)壓(ya)(ya)器(qi)...

隨著電(dian)(dian)(dian)力(li)設(she)備的(de)(de)(de)不(bu)斷發展，確保(bao)其安全運行已經成為至(zhi)關重要(yao)(yao)的(de)(de)(de)任務。在(zai)電(dian)(dian)(dian)力(li)設(she)備的(de)(de)(de)絕(jue)緣(yuan)(yuan)強度(du)驗(yan)(yan)證中(zhong)，感應(ying)(ying)耐(nai)壓(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)(zhuang)置(zhi)發揮著至(zhi)關重要(yao)(yao)的(de)(de)(de)作用。本文將介紹電(dian)(dian)(dian)力(li)設(she)備絕(jue)緣(yuan)(yuan)強度(du)驗(yan)(yan)證的(de)(de)(de)感應(ying)(ying)耐(nai)壓(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)(zhuang)置(zhi)的(de)(de)(de)相關知識和技術。一(yi)、原理感應(ying)(ying)耐(nai)壓(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)(zhuang)置(zhi)主(zhu)要(yao)(yao)利用電(dian)(dian)(dian)磁感應(ying)(ying)原理，通過在(zai)電(dian)(dian)(dian)力(li)設(she)備上(shang)施加一(yi)定的(de)(de)(de)高電(dian)(dian)(dian)壓(ya)(ya)，以(yi)驗(yan)(yan)證其絕(jue)緣(yuan)(yuan)強度(du)。該裝(zhuang)(zhuang)置(zhi)主(zhu)要(yao)(yao)由(you)電(dian)(dian)(dian)源(yuan)、變(bian)頻器(qi)、升壓(ya)(ya)變(bian)壓(ya)(ya)器(qi)、保(bao)護(hu)電(dian)(dian)(dian)阻、電(dian)(dian)(dian)流(liu)互感器(qi)等組成。在(zai)試(shi)(shi)驗(yan)(yan)過程中(zhong)，電(dian)(dian)(dian)源(yuan)通過變(bian)頻器(qi)控制電(dian)(dian)(dian)流(liu)的(de)(de)(de)頻率，將電(dian)(dian)(dian)流(liu)注入(ru)到升壓(ya)(ya)變(bian)壓(ya)(ya)器(qi)中(zhong)，從而(er)在(zai)電(dian)(dian)(dian)力(li)設(she)備上(shang)產生高壓(ya)(ya)電(dian)(dian)(dian)場。同時，保(bao)護(hu)電(dian)(dian)(dian)阻可以(yi)限制...

感(gan)應耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)置(zhi)是(shi)電(dian)力設備絕(jue)緣檢測(ce)的(de)(de)重要工具，隨著電(dian)力設備的(de)(de)不斷(duan)發(fa)展，感(gan)應耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)置(zhi)的(de)(de)應用越(yue)來越(yue)廣泛。耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)置(zhi)是(shi)電(dian)力設備絕(jue)緣檢測(ce)的(de)(de)重要工具，對(dui)于保(bao)(bao)證電(dian)力設備的(de)(de)安(an)全運行具有重要意義。以下是(shi)一些措施(shi)，可以用來保(bao)(bao)證感(gan)應耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)置(zhi)的(de)(de)安(an)全性：嚴格執(zhi)行安(an)全操(cao)作(zuo)規程。在(zai)進行感(gan)應耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)時(shi)，必(bi)須按(an)照操(cao)作(zuo)規程進行，避免(mian)因操(cao)作(zuo)不當導致的(de)(de)事(shi)故。確(que)保(bao)(bao)試(shi)(shi)驗(yan)(yan)設備的(de)(de)接(jie)(jie)地良(liang)好(hao)。耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)置(zhi)必(bi)須接(jie)(jie)地，以確(que)保(bao)(bao)試(shi)(shi)驗(yan)(yan)的(de)(de)安(an)全性。接(jie)(jie)地不良(liang)可能(neng)會導致觸(chu)電(dian)事(shi)故。確(que)保(bao)(bao)試(shi)(shi)驗(yan)(yan)設備的(de)(de)絕(jue)緣性能(neng)良(liang)好(hao)。耐(nai)(nai)壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)裝(zhuang)置(zhi)的(de)(de)絕(jue)緣性能(neng)必(bi)須...

高(gao)(gao)壓(ya)(ya)(ya)(ya)介質(zhi)損耗(hao)(hao)測(ce)(ce)試(shi)裝置(zhi)是一種用(yong)于(yu)測(ce)(ce)試(shi)電(dian)(dian)(dian)力(li)系(xi)統中(zhong)高(gao)(gao)壓(ya)(ya)(ya)(ya)設備介質(zhi)損耗(hao)(hao)的(de)專用(yong)設備。它(ta)可(ke)(ke)以精確測(ce)(ce)量(liang)(liang)絕緣(yuan)(yuan)材料(liao)在高(gao)(gao)壓(ya)(ya)(ya)(ya)條件下的(de)損耗(hao)(hao)情況(kuang)，為(wei)電(dian)(dian)(dian)力(li)系(xi)統的(de)絕緣(yuan)(yuan)性能評估提(ti)供(gong)可(ke)(ke)靠數(shu)據。本文將(jiang)介紹它(ta)的(de)原理和應用(yong)。高(gao)(gao)壓(ya)(ya)(ya)(ya)介質(zhi)損耗(hao)(hao)測(ce)(ce)試(shi)裝置(zhi)基于(yu)電(dian)(dian)(dian)介質(zhi)的(de)介質(zhi)損耗(hao)(hao)原理進行工作(zuo)。它(ta)由(you)高(gao)(gao)壓(ya)(ya)(ya)(ya)源、電(dian)(dian)(dian)容(rong)器(qi)、恒流(liu)(liu)源、測(ce)(ce)試(shi)電(dian)(dian)(dian)極和控制系(xi)統組成。當高(gao)(gao)壓(ya)(ya)(ya)(ya)源施加(jia)高(gao)(gao)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)到被(bei)測(ce)(ce)絕緣(yuan)(yuan)材料(liao)上時(shi)，電(dian)(dian)(dian)容(rong)器(qi)儲存電(dian)(dian)(dian)荷能量(liang)(liang)，并通過恒流(liu)(liu)源控制電(dian)(dian)(dian)流(liu)(liu)的(de)流(liu)(liu)動。測(ce)(ce)試(shi)電(dian)(dian)(dian)極則用(yong)于(yu)接(jie)觸被(bei)測(ce)(ce)絕緣(yuan)(yuan)材料(liao)并測(ce)(ce)量(liang)(liang)電(dian)(dian)(dian)流(liu)(liu)和電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。根據測(ce)(ce)得(de)的(de)電(dian)(dian)(dian)流(liu)(liu)和電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)數(shu)值(zhi)，可(ke)(ke)以計(ji)算(suan)出介質(zhi)損耗(hao)(hao)角正切(qie)值(zhi)，從(cong)而...

直(zhi)(zhi)流高(gao)(gao)(gao)壓(ya)(ya)發(fa)(fa)生(sheng)(sheng)器(qi)(qi)是一(yi)種在電(dian)(dian)(dian)力(li)(li)(li)工(gong)程(cheng)領域中廣泛使用的設備，用于產生(sheng)(sheng)高(gao)(gao)(gao)壓(ya)(ya)直(zhi)(zhi)流電(dian)(dian)(dian)。高(gao)(gao)(gao)壓(ya)(ya)發(fa)(fa)生(sheng)(sheng)器(qi)(qi)利用變壓(ya)(ya)器(qi)(qi)、整流裝置(zhi)和(he)濾波(bo)電(dian)(dian)(dian)路(lu)等組(zu)件來產生(sheng)(sheng)高(gao)(gao)(gao)壓(ya)(ya)直(zhi)(zhi)流電(dian)(dian)(dian)。其工(gong)作(zuo)原理是將(jiang)低(di)壓(ya)(ya)交流電(dian)(dian)(dian)經過變壓(ya)(ya)器(qi)(qi)升壓(ya)(ya)后，進(jin)入(ru)整流裝置(zhi)進(jin)行整流，然后通過濾波(bo)電(dian)(dian)(dian)路(lu)去除殘(can)余波(bo)動(dong)，最(zui)終產生(sheng)(sheng)穩(wen)定的高(gao)(gao)(gao)壓(ya)(ya)直(zhi)(zhi)流輸(shu)(shu)(shu)出。重要性與優(you)勢：直(zhi)(zhi)流高(gao)(gao)(gao)壓(ya)(ya)發(fa)(fa)生(sheng)(sheng)器(qi)(qi)在電(dian)(dian)(dian)力(li)(li)(li)工(gong)程(cheng)中具有(you)重要的地位和(he)明顯優(you)勢：支持(chi)高(gao)(gao)(gao)壓(ya)(ya)直(zhi)(zhi)流輸(shu)(shu)(shu)電(dian)(dian)(dian)技術(shu)：為現代電(dian)(dian)(dian)力(li)(li)(li)系統中的高(gao)(gao)(gao)壓(ya)(ya)直(zhi)(zhi)流輸(shu)(shu)(shu)電(dian)(dian)(dian)提供必要的電(dian)(dian)(dian)源，實現長距離(li)電(dian)(dian)(dian)力(li)(li)(li)傳(chuan)輸(shu)(shu)(shu)和(he)高(gao)(gao)(gao)效(xiao)能(neng)轉換。提供穩(wen)定電(dian)(dian)(dian)源：能(neng)夠產生(sheng)(sheng)穩(wen)定的高(gao)(gao)(gao)壓(ya)(ya)直(zhi)(zhi)流輸(shu)(shu)(shu)出，保(bao)證電(dian)(dian)(dian)力(li)(li)(li)設備的...

高(gao)壓(ya)(ya)介(jie)(jie)質(zhi)損(sun)耗測(ce)試(shi)裝置是一(yi)(yi)種用于(yu)(yu)檢測(ce)高(gao)壓(ya)(ya)設備(bei)絕緣性能(neng)的(de)(de)(de)(de)儀(yi)器，其(qi)主要工作原理(li)是通(tong)過(guo)測(ce)量電(dian)(dian)介(jie)(jie)質(zhi)在(zai)交流電(dian)(dian)壓(ya)(ya)作用下(xia)的(de)(de)(de)(de)功(gong)率損(sun)耗來確(que)定(ding)絕緣材(cai)料(liao)的(de)(de)(de)(de)性能(neng)。這些(xie)功(gong)率損(sun)耗主要包(bao)括電(dian)(dian)導(dao)電(dian)(dian)流引起的(de)(de)(de)(de)損(sun)失(shi)和極(ji)化電(dian)(dian)流引起的(de)(de)(de)(de)損(sun)失(shi)。此(ci)裝置通(tong)常由高(gao)壓(ya)(ya)交流電(dian)(dian)源、測(ce)量電(dian)(dian)路和信號(hao)處理(li)系(xi)統(tong)(tong)等組(zu)成。其(qi)中(zhong)，高(gao)壓(ya)(ya)交流電(dian)(dian)源用于(yu)(yu)產生交流電(dian)(dian)壓(ya)(ya)，測(ce)量電(dian)(dian)路則用于(yu)(yu)檢測(ce)電(dian)(dian)壓(ya)(ya)和電(dian)(dian)流，并通(tong)過(guo)相位差來計算功(gong)率損(sun)耗。信號(hao)處理(li)系(xi)統(tong)(tong)則負責數(shu)據處理(li)和分(fen)析(xi)。高(gao)壓(ya)(ya)介(jie)(jie)質(zhi)損(sun)耗測(ce)試(shi)裝置是一(yi)(yi)種用于(yu)(yu)評(ping)估流體輸送過(guo)程中(zhong)能(neng)量損(sun)失(shi)的(de)(de)(de)(de)儀(yi)器。下(xia)面將介(jie)(jie)紹該(gai)裝置的(de)(de)(de)(de)使用方法。準備(bei)工作...

單(dan)相繼電保(bao)護(hu)測試儀(yi)是電力系統中非常重(zhong)要的設(she)備(bei)之一。為(wei)了確(que)(que)保(bao)其準確(que)(que)性(xing)和可靠性(xing)，轉(zhuan)(zhuan)換器是不可少的組(zu)成部(bu)分。作為(wei)一種電子設(she)備(bei)，它(ta)主(zhu)要用于將交流(liu)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)轉(zhuan)(zhuan)換為(wei)數字(zi)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)，然后再(zai)將數字(zi)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)轉(zhuan)(zhuan)換為(wei)模擬信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)輸出。這樣(yang)可以將被(bei)測設(she)備(bei)產生的信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)進(jin)行(xing)處(chu)(chu)理(li)與放大(da)，從而更加準確(que)(que)地反映(ying)出被(bei)測設(she)備(bei)的性(xing)能特征。在(zai)(zai)測試過程中，繼電保(bao)護(hu)測試儀(yi)將被(bei)測設(she)備(bei)的信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)輸入到轉(zhuan)(zhuan)換器中，轉(zhuan)(zhuan)換器通過內部(bu)的處(chu)(chu)理(li)電路將交流(liu)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)轉(zhuan)(zhuan)換成數字(zi)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)，在(zai)(zai)數字(zi)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)處(chu)(chu)理(li)器中進(jin)行(xing)數字(zi)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)處(chu)(chu)理(li)，并(bing)將處(chu)(chu)理(li)后的信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)再(zai)次(ci)轉(zhuan)(zhuan)換為(wei)模擬信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)，最終輸出到被(bei)測設(she)備(bei)中。...

繼(ji)電(dian)(dian)(dian)(dian)器作(zuo)(zuo)為電(dian)(dian)(dian)(dian)力系統(tong)中重要的(de)電(dian)(dian)(dian)(dian)氣(qi)設備，在自(zi)動化的(de)控(kong)制(zhi)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中，有著以小電(dian)(dian)(dian)(dian)流控(kong)制(zhi)大電(dian)(dian)(dian)(dian)流運作(zuo)(zuo)的(de)“自(zi)動開關(guan)”的(de)作(zuo)(zuo)用(yong)。也(ye)就是在電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中有著自(zi)動調節(jie)、安全(quan)(quan)保護、轉換電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)等作(zuo)(zuo)用(yong)。可以說(shuo)繼(ji)電(dian)(dian)(dian)(dian)器在電(dian)(dian)(dian)(dian)力系統(tong)的(de)安全(quan)(quan)運行中起到(dao)了(le)非常(chang)關(guan)鍵的(de)作(zuo)(zuo)用(yong)。那么單相(xiang)繼(ji)電(dian)(dian)(dian)(dian)保護測(ce)試(shi)儀的(de)作(zuo)(zuo)用(yong)則是用(yong)來對繼(ji)電(dian)(dian)(dian)(dian)器進行電(dian)(dian)(dian)(dian)力試(shi)驗，測(ce)試(shi)繼(ji)電(dian)(dian)(dian)(dian)器各方面(mian)性能是否符(fu)合電(dian)(dian)(dian)(dian)力系統(tong)安全(quan)(quan)運行的(de)要求的(de)一種儀器。單相(xiang)繼(ji)電(dian)(dian)(dian)(dian)保護測(ce)試(shi)儀的(de)回(hui)路(lu)(lu)(lu)原理分主回(hui)路(lu)(lu)(lu)和輔(fu)(fu)回(hui)路(lu)(lu)(lu)兩個(ge)回(hui)路(lu)(lu)(lu)，主回(hui)路(lu)(lu)(lu)采用(yong)大旋鈕調節(jie)，輔(fu)(fu)回(hui)路(lu)(lu)(lu)采用(yong)小旋鈕調節(jie)，主回(hui)路(lu)(lu)(lu)通過面(mian)板上輸(shu)出選擇按鍵開關(guan)控(kong)制(zhi)其(qi)輸(shu)出的(de)各...

變(bian)(bian)壓(ya)(ya)器綜合(he)參數測(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)具有(you)體積小(xiao)、重量(liang)(liang)(liang)(liang)輕、測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)準(zhun)確度高、穩定性(xing)好、操作(zuo)簡(jian)便易(yi)學等(deng)優點，可替(ti)代以(yi)往(wang)利用多表法測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)變(bian)(bian)壓(ya)(ya)器損(sun)(sun)耗和(he)容量(liang)(liang)(liang)(liang)的(de)方法，接(jie)線簡(jian)單，測(ce)(ce)(ce)試(shi)(shi)(shi)、記錄方便，大大提高了工作(zuo)效率(lv)。該(gai)儀(yi)器可測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)各(ge)種(zhong)配(pei)電(dian)(dian)變(bian)(bian)壓(ya)(ya)器的(de)容量(liang)(liang)(liang)(liang)，無源(yuan)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)，方便、準(zhun)確。內部(bu)自(zi)帶電(dian)(dian)源(yuan)、自(zi)動產生(sheng)三(san)相大功(gong)率(lv)測(ce)(ce)(ce)試(shi)(shi)(shi)電(dian)(dian)源(yuan)。可測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)各(ge)種(zhong)類型(xing)的(de)變(bian)(bian)壓(ya)(ya)器的(de)空(kong)載(zai)(zai)電(dian)(dian)流(liu)(liu)、空(kong)載(zai)(zai)損(sun)(sun)耗、短(duan)路(lu)電(dian)(dian)壓(ya)(ya)、短(duan)路(lu)損(sun)(sun)耗。能自(zi)動進行波(bo)形畸(ji)變(bian)(bian)校(xiao)正(zheng)，溫度校(xiao)正(zheng)，電(dian)(dian)壓(ya)(ya)校(xiao)正(zheng)（非(fei)(fei)額定電(dian)(dian)壓(ya)(ya)下(xia)的(de)空(kong)載(zai)(zai)試(shi)(shi)(shi)驗），電(dian)(dian)流(liu)(liu)校(xiao)正(zheng)（非(fei)(fei)額定電(dian)(dian)流(liu)(liu)條件下(xia)的(de)短(duan)路(lu)試(shi)(shi)(shi)驗），非(fei)(fei)常適合(he)沒有(you)做稍大容量(liang)(liang)(liang)(liang)變(bian)(bian)壓(ya)(ya)器短(duan)...

變壓(ya)(ya)器容(rong)量(liang)(liang)(liang)測(ce)試(shi)(shi)儀廠家可(ke)測(ce)量(liang)(liang)(liang)各種配電(dian)(dian)(dian)變壓(ya)(ya)器的(de)(de)容(rong)量(liang)(liang)(liang)，無源(yuan)測(ce)量(liang)(liang)(liang)，方便、準確。內(nei)部自帶電(dian)(dian)(dian)源(yuan)、自動產(chan)生三相大功率測(ce)試(shi)(shi)電(dian)(dian)(dian)源(yuan)。可(ke)測(ce)量(liang)(liang)(liang)各種類型的(de)(de)變壓(ya)(ya)器的(de)(de)空(kong)載(zai)電(dian)(dian)(dian)流(liu)、空(kong)載(zai)損(sun)耗(hao)(hao)(hao)、短路(lu)電(dian)(dian)(dian)壓(ya)(ya)、短路(lu)損(sun)耗(hao)(hao)(hao)。可(ke)自動進行(xing)波形畸變校正(zheng)(zheng)(zheng)，溫(wen)度校正(zheng)(zheng)(zheng)，電(dian)(dian)(dian)壓(ya)(ya)校正(zheng)(zheng)(zheng)，電(dian)(dian)(dian)流(liu)校正(zheng)(zheng)(zheng)，非常適合沒有做稍(shao)大容(rong)量(liang)(liang)(liang)變壓(ya)(ya)器短路(lu)試(shi)(shi)驗(yan)(yan)條(tiao)件的(de)(de)單位。從(cong)(cong)變壓(ya)(ya)器的(de)(de)某一繞(rao)組（一般從(cong)(cong)二次低壓(ya)(ya)側）施加正(zheng)(zheng)(zheng)弦波額定(ding)頻率的(de)(de)額定(ding)電(dian)(dian)(dian)壓(ya)(ya)，其余(yu)繞(rao)組開路(lu)，測(ce)量(liang)(liang)(liang)空(kong)載(zai)電(dian)(dian)(dian)流(liu)和空(kong)載(zai)損(sun)耗(hao)(hao)(hao)。如果(guo)試(shi)(shi)驗(yan)(yan)條(tiao)件有限，電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)壓(ya)(ya)達(da)不到額定(ding)電(dian)(dian)(dian)壓(ya)(ya)，可(ke)在(zai)非額定(ding)電(dian)(dian)(dian)壓(ya)(ya)條(tiao)件下試(shi)(shi)驗(yan)(yan)，這種試(shi)(shi)驗(yan)(yan)方法誤差較大，一般只...