KD-6600三相繼電保(bao)護測試儀工(gong)作原理

       隨(sui)著現(xian)代(dai)電(dian)(dian)力(li)系統規模(mo)的(de)不(bu)斷(duan)擴(kuo)大，對電(dian)(dian)力(li)系統運行(xing)管理的(de)可靠性(xing)和(he)效(xiao)率的(de)要求不(bu)斷(duan)提高，繼電(dian)(dian)保(bao)護人員的(de)測(ce)試(shi)工(gong)作(zuo)變得(de)更加(jia)頻繁和(he)復雜。與(yu)此同時(shi)，計算機技(ji)術、微(wei)電(dian)(dian)子(zi)技(ji)術和(he)電(dian)(dian)力(li)電(dian)(dian)子(zi)技(ji)術也在飛速發展，應用新技(ji)術成(cheng)果(guo)不(bu)斷(duan)推(tui)出新型高性(xing)能(neng)繼電(dian)(dian)保(bao)護測(ce)試(shi)儀(yi)是技(ji)術進步的(de)必(bi)然趨勢。

KD-6600三相(xiang)繼電保護測試(shi)儀便是上海康登電氣(qi)和院(yuan)校聯(lian)手精(jing)(jing)心打造，并根據(ju)用戶體驗，精(jing)(jing)心調(diao)整、創新(xin)升級的成(cheng)果(guo)。

　　繼電(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)測試(shi)儀作(zuo)為保(bao)證電(dian)(dian)(dian)(dian)(dian)力系(xi)統(tong)安全可靠運行的(de)重要(yao)測試(shi)儀器，它的(de)工作(zuo)原(yuan)理(li)如下： 繼電(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)測試(shi)儀分(fen)為主電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)和輔(fu)助電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)兩個電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)。主電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)用大旋鈕調(diao)(diao)節，輔(fu)助電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)用小旋鈕調(diao)(diao)節。主電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)通過面板上(shang)的(de)“輸(shu)出(chu)(chu)(chu)選擇"按鈕進行調(diao)(diao)整。開(kai)關(guan)控制其輸(shu)出(chu)(chu)(chu)的(de)各種(zhong)量(liang)，每切換一個輸(shu)出(chu)(chu)(chu)，儀器上(shang)的(de)數字(zi)電(dian)(dian)(dian)(dian)(dian)壓/電(dian)(dian)(dian)(dian)(dian)流表可以自動監(jian)測其輸(shu)出(chu)(chu)(chu)值(zhi)。輔(fu)助電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)由輸(shu)出(chu)(chu)(chu)開(kai)關(guan)控制直接調(diao)(diao)節輸(shu)出(chu)(chu)(chu)，測量(liang)可外接萬用表測量(liang)。
　　1）繼電保護測試儀主電路的工作原理
　　輸(shu)(shu)(shu)(shu)(shu)(shu)入(ru)(ru)(ru)AC220V電(dian)(dian)源(yuan)經保險經輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)控(kong)制繼(ji)電(dian)(dian)器(qi)K1進入(ru)(ru)(ru)雙碳刷穩壓器(qi)T1輸(shu)(shu)(shu)(shu)(shu)(shu)入(ru)(ru)(ru)端，T1大旋鈕調節的(de)電(dian)(dian)源(yuan)進入(ru)(ru)(ru)隔離變(bian)壓器(qi)T2。升壓器(qi)有三(san)抽(chou)頭(tou)輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)，一(yi)抽(chou)頭(tou)為AC0-250V輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)，額定電(dian)(dian)流(liu)(liu)3A；該抽(chou)頭(tou)的(de)輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)電(dian)(dian)壓經整(zheng)流(liu)(liu)濾波后(hou)可輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)0-350V直流(liu)(liu)電(dian)(dian)壓；第二個是(shi)15V（10A），抽(chou)頭(tou)由傳(chuan)感器(qi)和繼(ji)電(dian)(dian)器(qi)控(kong)制輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)0-10A交(jiao)流(liu)(liu)電(dian)(dian)流(liu)(liu)，一(yi)路(lu)通(tong)過(guo)電(dian)(dian)阻輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)0-500mA交(jiao)流(liu)(liu)電(dian)(dian)流(liu)(liu)，一(yi)種(zhong)可以輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)0-10A或0- 500mA直流(liu)(liu)電(dian)(dian)流(liu)(liu)通(tong)過(guo)繼(ji)電(dian)(dian)器(qi)轉換(huan)；第二個抽(chou)頭(tou)是(shi)10V（100A）大電(dian)(dian)流(liu)(liu)端，這(zhe)個抽(chou)頭(tou)通(tong)過(guo)傳(chuan)感器(qi)的(de)原邊(bian)直接(jie)輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)100A電(dian)(dian)流(liu)(liu)，這(zhe)個回(hui)路(lu)負載能力強(qiang)，但輸(shu)(shu)(shu)(shu)(shu)(shu)出(chu)(chu)稍(shao)有過(guo)載，不能長時間(jian)處于大電(dian)(dian)流(liu)(liu)狀態(tai)下。
　　2）繼電保護測試儀輔助電路的工作原理
　　繼電(dian)保護測(ce)試儀的輔(fu)助(zhu)電(dian)路(lu)與主電(dian)路(lu)原(yuan)理相(xiang)同。AC220V電(dian)源保險插(cha)入雙碳(tan)刷穩壓(ya)器(qi)T1小旋(xuan)鈕(niu)調(diao)節(jie)電(dian)壓(ya)，隔離變壓(ya)器(qi)T4可直(zhi)接調(diao)節(jie)輸出0-20V或0-250V交(jiao)流電(dian)壓(ya)或0-350V直(zhi)流電(dian)壓(ya)，額定(ding)電(dian)流這個(ge)回路(lu)的電(dian)流是1A。按下(xia)輔(fu)助(zhu)電(dian)路(lu)的“輸出控制"開關，調(diao)節(jie)小旋(xuan)鈕(niu)輸出。