更(geng)新(xin)時(shi)間:2023-03-15
變(bian)壓(ya)器(qi)繞(rao)(rao)組(zu)變(bian)形綜合(he)測試儀 頻響法阻抗法用于(yu)測試電(dian)(dian)力(li)變(bian)壓(ya)器(qi)及(ji)其它特殊用途的(de)變(bian)壓(ya)器(qi)繞(rao)(rao)組(zu)變(bian)形情況(kuang)。電(dian)(dian)力(li)變(bian)壓(ya)器(qi)在運行(xing)或者(zhe)運輸(shu)過程中不可避免(mian)地要遭受各種故障短(duan)(duan)路電(dian)(dian)流的(de)沖擊(ji)或者(zhe)物理(li)撞擊(ji),在短(duan)(duan)路電(dian)(dian)流產生的(de)強大電(dian)(dian)動力(li)作用下(xia),變(bian)壓(ya)器(qi)繞(rao)(rao)組(zu)可能失去穩定性(xing),導(dao)致局部扭曲、鼓包或移位等變(bian)形現象(xiang),這將嚴重影響變(bian)壓(ya)器(qi)的(de)安全運行(xing)。
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一、系(xi)統(tong)簡介
變壓器繞組變形綜合測試儀 頻響法阻抗法用(yong)于測試(shi)電(dian)(dian)力(li)變(bian)壓(ya)(ya)器(qi)(qi)及其(qi)它特殊用(yong)途(tu)的變(bian)壓(ya)(ya)器(qi)(qi)繞組(zu)變(bian)形情況(kuang)。電(dian)(dian)力(li)變(bian)壓(ya)(ya)器(qi)(qi)在(zai)運行(xing)或(huo)者(zhe)運輸過程(cheng)中不(bu)可(ke)避免地要遭受各種(zhong)故障(zhang)短路電(dian)(dian)流的沖(chong)擊或(huo)者(zhe)物理撞擊,在(zai)短路電(dian)(dian)流產生的強大電(dian)(dian)動力(li)作用(yong)下,變(bian)壓(ya)(ya)器(qi)(qi)繞組(zu)可(ke)能失去(qu)穩(wen)定(ding)性,導致局部扭曲、鼓包或(huo)移位等變(bian)形現象,這將嚴(yan)重影響變(bian)壓(ya)(ya)器(qi)(qi)的安全運行(xing)。按(an)國(guo)家電(dian)(dian)力(li)行(xing)業標準(zhun)DL/T911-2004頻率響應(ying)分析法,和DLT 1093-2018電抗法,測(ce)量變(bian)(bian)壓器(qi)的繞組變(bian)(bian)形,是通過檢(jian)測(ce)變(bian)(bian)壓器(qi)各個繞組的幅頻響(xiang)應特(te)性,或者(zhe)短(duan)路阻抗值,并(bing)對檢(jian)測(ce)結(jie)果進行(xing)縱向(xiang)或橫向(xiang)比較(jiao),判斷變(bian)(bian)壓器(qi)繞組可能(neng)發生(sheng)的變(bian)(bian)形情況。
二、主(zhu)要(yao)技術特點
一. 頻(pin)響法
l 采用(yong)掃頻法對變(bian)(bian)壓器繞組特性進行測量,不(bu)對變(bian)(bian)壓器吊(diao)罩、拆裝(zhuang)的情況下,通過檢測各(ge)繞組的幅頻響應特性,對66kV及以上變(bian)壓(ya)器,準確(que)測量繞組(zu)的(de)扭曲、鼓包或移位等變(bian)形(xing)情況(kuang)。
l 測量(liang)速度快,對單個繞組測量(liang)時間2分鐘(zhong)以(yi)內。
l 頻率精度非常高,精度高于0.001%。
l 數字化(hua)頻(pin)(pin)率合成,頻(pin)(pin)率穩定性更高(gao)。
l 單機顯示3條曲線,自(zi)(zi)動(dong)計算相(xiang)關參數,自(zi)(zi)動(dong)診(zhen)斷繞組的(de)變(bian)形(xing)情況,給出診(zhen)斷的(de)參考結論。
l 單機(ji)測(ce)量,無需外接電腦。測(ce)量數據本地存儲,可(ke)用(yong)U盤導出至上位機軟件。
l 上位機軟件(jian)界面(mian)簡潔直觀,集分(fen)析、存(cun)儲、報告導出、打印、3D曲線、對(dui)數(shu)曲線(xian)等諸多功能。
l 可(ke)以單機測試,也(ye)可(ke)以(yi)與PC聯(lian)機測試。
三、主要(yao)技(ji)術指標(biao)
l 測量(liang)速(su)度:單相(xiang)繞組小于(yu)2分鐘
l 輸出電(dian)壓:Vpp-20V
l 輸出阻(zu)抗:50Ω
l 輸入阻抗(kang):1MΩ (響應(ying)通道內置50Ω匹配電阻)
l 掃頻范圍:1KHz-10000KHz(10MHZ)
l 頻率(lv)精度:0.001%
l 掃頻方(fang)式:線(xian)性掃描(miao)
l 曲(qu)線顯(xian)示:幅頻曲(qu)線
l 測量(liang)動(dong)態范圍寬:-120dB~20dB
l 供電電壓:AC220V±10%
二(er). 電(dian)抗(kang)法
l 本機采用了單相測試法。
l 單(dan)機額定輸出:AC220V,10A。無需(xu)外接(jie)電源。
l 測量精度(du):
電壓(ya),電流:0.2%
阻(zu)抗,功率因數,漏電感:0.5%
l 內置(zhi)打印機,方(fang)便打印結果。
l 可(ke)以單機測試,也可以與PC聯機測試。
l 溫度范圍(wei):-10℃~50℃
l 濕度范圍:≤85%RH
變壓器繞組變形綜合測試儀 頻響法阻抗法
主要產品:
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