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開(kai)關回路電(dian)(dian)(dian)阻探測(ce)(ce)儀測(ce)(ce)試原理：1.工頻(pin)交(jiao)換(huan)電(dian)(dian)(dian)源(yuan)整組后(hou)改變成(cheng)15KHz高頻(pin)電(dian)(dian)(dian)源(yuan)，再變壓(ya)(ya)整組成(cheng)高壓(ya)(ya)電(dian)(dian)(dian)流(liu)(liu)(liu)源(yuan)，反(fan)應旌旗燈(deng)號取至于負載電(dian)(dian)(dian)阻上的(de)壓(ya)(ya)降。經解決后(hou)調(diao)動(dong)(dong)高頻(pin)直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)的(de)脈沖(chong)幅度(du)(du)，即采(cai)納脈沖(chong)調(diao)寬(kuan)技能(neng)來到達主(zhu)動(dong)(dong)恒流(liu)(liu)(liu)的(de)成(cheng)效。2.當直(zhi)(zhi)流(liu)(liu)(liu)100A測(ce)(ce)試直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)經過(guo)被測(ce)(ce)電(dian)(dian)(dian)阻時(shi)，發生壓(ya)(ya)降，同聲經過(guo)機內規(gui)范電(dian)(dian)(dian)阻發生壓(ya)(ya)降。精(jing)密度(du)(du)高于正常的(de)電(dian)(dian)(dian)橋(qiao)測(ce)(ce)試。回路電(dian)(dian)(dian)阻探測(ce)(ce)儀的(de)細致引(yin)見按新《風力設施交(jiao)代和防止性實驗規(gui)定(ding)》請求(qiu)，各族(zu)開(kai)關設施導(dao)熱回路電(dian)(dian)(dian)阻的(de)測(ce)(ce)量，其測(ce)(ce)試直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)沒(mei)有得小于100A。對于此(ci)該(gai)廠(chang)按新規(gui)定(ding)請求(qiu)設想開(kai)收...
高(gao)(gao)頻直流(liu)高(gao)(gao)壓發生器(qi)適用于電(dian)(dian)力(li)部(bu)門、廠礦(kuang)企業動力(li)部(bu)門、科研單位、鐵路、化工、發電(dian)(dian)廠等對氧化鋅避(bi)雷器(qi)、磁吹(chui)避(bi)雷器(qi)、電(dian)(dian)力(li)電(dian)(dian)纜、發電(dian)(dian)機、變壓器(qi)、開(kai)(kai)關(guan)等設備進行(xing)直流(liu)高(gao)(gao)壓試驗(yan)，是新(xin)世(shi)紀zhui理想的換代產品。故(gu)(gu)障的檢(jian)查與(yu)處(chu)理1．電(dian)(dian)源(yuan)(yuan)開(kai)(kai)關(guan)打開(kai)(kai)時，控制箱上的數(shu)顯表不(bu)亮(liang)(liang)(liang)請(qing)檢(jian)查電(dian)(dian)源(yuan)(yuan)連線及(ji)所有保險管(guan)，保險管(guan)若有損(sun)壞(huai)時，請(qing)按保險管(guan)座旁(pang)標注(zhu)的安培數(shu)更換新(xin)保險管(guan)。2．若打開(kai)(kai)電(dian)(dian)源(yuan)(yuan)開(kai)(kai)關(guan)，數(shu)顯表亮(liang)(liang)(liang)，高(gao)(gao)壓顯示綠(lv)燈(deng)不(bu)亮(liang)(liang)(liang)，加(jia)不(bu)上高(gao)(gao)壓。（1）故(gu)(gu)障顯示“回零”燈(deng)亮(liang)(liang)(liang)沒有回零位，請(qing)將(jiang)逆時針旋轉高(gao)(gao)壓輸出調整鈕和微調旋鈕回到零...
恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)主要由恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)的(de)(de)采樣電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、比較電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)等，將(jiang)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)通(tong)過整(zheng)流(liu)(liu)(liu)(liu)橋將(jiang)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)變(bian)為(wei)直流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)，經電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)調整(zheng)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)反饋，zhui后實現0.1A～10A范圍的(de)(de)穩流(liu)(liu)(liu)(liu)輸出(chu)。測量(liang)回路(lu)(lu)主要由恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)輸出(chu)穩定電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)直接通(tong)過電(dian)(dian)(dian)(dian)(dian)(dian)力變(bian)壓器(qi)繞組，不接入(ru)標準(zhun)電(dian)(dian)(dian)(dian)(dian)(dian)阻（將(jiang)串入(ru)電(dian)(dian)(dian)(dian)(dian)(dian)阻用繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)短接），測量(liang)充電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)，當充電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)達到設定值時(shi)將(jiang)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)斷開，將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)阻串入(ru)測量(liang)回路(lu)(lu)中。為(wei)了保證單片機供電(dian)(dian)(dian)(dian)(dian)(dian)穩定性，繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)控制電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)單獨供電(dian)(dian)(dian)(dian)(dian)(dian)。由于繞組電(dian)(dian)(dian)(dian)(dian)(dian)感的(de)(de)存在，殘余電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)對使用者和(he)測試設備將(jiang)構成威(wei)脅，因(yin)此必須有電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)放電(dian)(dian)(dian)(dian)(dian)(dian)回路(lu)(lu)，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)放電(dian)(dian)(dian)(dian)(dian)(dian)回路(lu)(lu)由放電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)阻和(he)一(yi)...
為保(bao)證人身(shen)和(he)(he)設(she)備的(de)(de)(de)(de)(de)(de)安全，確(que)保(bao)直流驗(yan)電(dian)(dian)(dian)(dian)器的(de)(de)(de)(de)(de)(de)完(wan)好性，直流驗(yan)電(dian)(dian)(dian)(dian)器應(ying)存放在空氣(qi)流通(tong)、環境(jing)干燥的(de)(de)(de)(de)(de)(de)場(chang)所(suo)。驗(yan)電(dian)(dian)(dian)(dian)操作前應(ying)對驗(yan)電(dian)(dian)(dian)(dian)器進(jin)行自(zi)檢(jian)，方(fang)法(fa)是(shi)：按下(xia)自(zi)檢(jian)按鈕驗(yan)電(dian)(dian)(dian)(dian)指示器應(ying)發(fa)出(chu)清晰的(de)(de)(de)(de)(de)(de)聲(sheng)光報警(jing)信(xin)號(hao)(hao)。若自(zi)檢(jian)無聲(sheng)光指示信(xin)號(hao)(hao)時不得(de)進(jin)行驗(yan)電(dian)(dian)(dian)(dian)操作。驗(yan)電(dian)(dian)(dian)(dian)操作前還須檢(jian)查接地引下(xia)線是(shi)否完(wan)好，接觸點是(shi)否可靠。阻抗法(fa)建立在工頻電(dian)(dian)(dian)(dian)氣(qi)量的(de)(de)(de)(de)(de)(de)基礎(chu)上，通(tong)過建立電(dian)(dian)(dian)(dian)壓平(ping)衡方(fang)程(cheng)，利用數值分(fen)析方(fang)法(fa)求解得(de)到故(gu)障點和(he)(he)測(ce)量點之間的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)抗，由此可以推出(chu)故(gu)障的(de)(de)(de)(de)(de)(de)大致(zhi)位置(zhi)。根據所(suo)使(shi)用電(dian)(dian)(dian)(dian)氣(qi)量的(de)(de)(de)(de)(de)(de)不同，阻抗法(fa)分(fen)為單端法(fa)和(he)(he)雙端法(fa)兩種。將(jiang)接地引下(xia)線的(de)(de)(de)(de)(de)(de)地軋，可...
高(gao)壓(ya)(ya)核(he)相(xiang)(xiang)(xiang)儀適(shi)用于高(gao)壓(ya)(ya)電(dian)(dian)(dian)力(li)線路的相(xiang)(xiang)(xiang)位核(he)定工(gong)(gong)作(zuo)。高(gao)壓(ya)(ya)無(wu)線核(he)線儀工(gong)(gong)作(zuo)原理10KV時(shi)的電(dian)(dian)(dian)阻(zu)值，RA=RA′為固定電(dian)(dian)(dian)阻(zu)核(he)相(xiang)(xiang)(xiang)棒。固定電(dian)(dian)(dian)阻(zu)Ra=Ra′=27*1MΩ/2W=27MΩ，可調(diao)(diao)(diao)電(dian)(dian)(dian)阻(zu)r與(yu)r′=6.8MΩ/2W和(he)(he)微(wei)安表(biao)（G=15KV電(dian)(dian)(dian)壓(ya)(ya)表(biao)6.8MΩ）Ig組(zu)裝成一只(zhi)核(he)相(xiang)(xiang)(xiang)表(biao)。根據廣(guang)義交(jiao)流電(dian)(dian)(dian)橋原理。當UA=UA′時(shi)，調(diao)(diao)(diao)節(jie)r和(he)(he)r′可使電(dian)(dian)(dian)橋平衡(heng)(heng)，即Xg=0，此時(shi)，被(bei)測(ce)兩端(duan)(duan)電(dian)(dian)(dian)端(duan)(duan)電(dian)(dian)(dian)壓(ya)(ya)幅(fu)度值和(he)(he)電(dian)(dian)(dian)位相(xiang)(xiang)(xiang)同(tong)。如果(guo)兩端(duan)(duan)電(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)位相(xiang)(xiang)(xiang)同(tong)，而(er)幅(fu)值不*相(xiang)(xiang)(xiang)等(deng)，調(diao)(diao)(diao)節(jie)r和(he)(he)r′仍(reng)能(neng)使電(dian)(dian)(dian)橋平衡(heng)(heng)。只(zhi)有(you)當兩端(duan)(duan)相(xiang)(xiang)(xiang)位不相(xiang)(xiang)(xiang)同(tong)時(shi)，調(diao)(diao)(diao)節(jie)r和(he)(he)...
充氣(qi)式(shi)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)器(qi)是(shi)電(dian)(dian)力(li)設(she)備檢測(ce)及預(yu)防性試(shi)(shi)(shi)驗(yan)(yan)所(suo)*的(de)(de)試(shi)(shi)(shi)驗(yan)(yan)設(she)備。隨著我國電(dian)(dian)力(li)工業的(de)(de)迅(xun)速發展，電(dian)(dian)力(li)預(yu)防性試(shi)(shi)(shi)驗(yan)(yan)對試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)器(qi)的(de)(de)電(dian)(dian)壓(ya)(ya)等(deng)級要求也越來越高，而傳(chuan)統(tong)的(de)(de)油浸(jin)式(shi)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)器(qi)和干(gan)式(shi)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)器(qi)無論在體(ti)積上(shang)、重(zhong)量上(shang)還是(shi)在性能(neng)(neng)上(shang)都越來越不(bu)能(neng)(neng)滿(man)足現(xian)場工作的(de)(de)要求，隨著電(dian)(dian)力(li)研究的(de)(de)進步，新(xin)(xin)材料，新(xin)(xin)工藝的(de)(de)應用(yong)(yong)，把新(xin)(xin)的(de)(de)介質六(liu)氟(fu)化(hua)硫(liu)(liu)氣(qi)體(ti)推向了(le)電(dian)(dian)力(li)設(she)備的(de)(de)應用(yong)(yong)領(ling)域(yu)，六(liu)氟(fu)化(hua)硫(liu)(liu)氣(qi)體(ti)具有優良的(de)(de)絕緣性能(neng)(neng)和滅(mie)弧性能(neng)(neng)及不(bu)可燃(ran)性，所(suo)以作為新(xin)(xin)的(de)(de)絕緣介質得(de)到廣泛的(de)(de)應用(yong)(yong)，YDQ系(xi)列充氣(qi)式(shi)試(shi)(shi)(shi)驗(yan)(yan)變(bian)壓(ya)(ya)器(qi)是(shi)電(dian)(dian)力(li)設(she)備檢測(ce)及預(yu)防性試(shi)(shi)(shi)驗(yan)(yan)所(suo)*的(de)(de)試(shi)(shi)(shi)...
短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)線(xian)(xian)(xian)(xian)主要部(bu)(bu)件由(you)導(dao)線(xian)(xian)(xian)(xian)彎鉤線(xian)(xian)(xian)(xian)來，或(huo)母排平口線(xian)(xian)(xian)(xian)夾(jia)(jia)，跨接(jie)(jie)(jie)短(duan)路(lu)(lu)線(xian)(xian)(xian)(xian)接(jie)(jie)(jie)地(di)尾線(xian)(xian)(xian)(xian)，接(jie)(jie)(jie)線(xian)(xian)(xian)(xian)鼻(bi)，匯流管，接(jie)(jie)(jie)地(di)端線(xian)(xian)(xian)(xian)夾(jia)(jia)或(huo)五防閉鎖(suo)夾(jia)(jia)頭，接(jie)(jie)(jie)地(di)鋼纖(xian)以及(ji)接(jie)(jie)(jie)地(di)操(cao)作(zuo)棒(bang)(bang)等組成。線(xian)(xian)(xian)(xian)夾(jia)(jia)采用(yong)優質(zhi)熟鋁（或(huo)熱銅）壓鑄表(biao)面拋光與線(xian)(xian)(xian)(xian)鼻(bi)緊固連接(jie)(jie)(jie)，導(dao)線(xian)(xian)(xian)(xian)是《攜帶型短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)線(xian)(xian)(xian)(xian)》的(de)重要組成部(bu)(bu)分(fen)接(jie)(jie)(jie)地(di)操(cao)作(zuo)棒(bang)(bang)采用(yong)機(ji)械(xie)強(qiang)度，絕緣性能俱佳的(de)進(jin)口玻(bo)璃纖(xian)維環(huan)氧(yang)樹(shu)脂管按型式需(xu)求進(jin)行配制。短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)線(xian)(xian)(xian)(xian)的(de)安裝注意(yi)事項：1、短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)線(xian)(xian)(xian)(xian)的(de)安裝應由(you)2人(ren)(ren)進(jin)行，其(qi)中1人(ren)(ren)操(cao)作(zuo)，1人(ren)(ren)監(jian)(jian)護。操(cao)作(zuo)人(ren)(ren)員要使用(yong)絕緣棒(bang)(bang)，戴(dai)絕緣手(shou)套，人(ren)(ren)體(ti)不得(de)觸(chu)及(ji)接(jie)(jie)(jie)地(di)線(xian)(xian)(xian)(xian)，監(jian)(jian)護人(ren)(ren)員應離接(jie)(jie)(jie)地(di)極有一定的(de)...
耐(nai)壓(ya)測試(shi)(shi)(shi)儀(yi)類型及所對應(ying)不同(tong)標(biao)準(zhun)，試(shi)(shi)(shi)驗電壓(ya)也是有(you)所不同(tong)，對于一般的(de)(de)(de)(de)(de)生產(chan)(chan)(chan)廠(chang)家選擇交(jiao)流5KV和(he)直流6KV的(de)(de)(de)(de)(de)耐(nai)壓(ya)測試(shi)(shi)(shi)儀(yi)基(ji)本(ben)上(shang)就可以滿(man)足需求(qiu)(qiu)，但對于某些特(te)殊的(de)(de)(de)(de)(de)檢測機構(gou)或生產(chan)(chan)(chan)廠(chang)家的(de)(de)(de)(de)(de)測試(shi)(shi)(shi)，為(wei)了因應(ying)不同(tong)的(de)(de)(de)(de)(de)產(chan)(chan)(chan)品標(biao)準(zhun)要求(qiu)(qiu)，則可能(neng)需要選擇使(shi)用到10KV和(he)20KV的(de)(de)(de)(de)(de)交(jiao)流或直流的(de)(de)(de)(de)(de)產(chan)(chan)(chan)品。因此，可以任(ren)意調節輸(shu)出電壓(ya)，也是耐(nai)壓(ya)測試(shi)(shi)(shi)儀(yi)的(de)(de)(de)(de)(de)基(ji)本(ben)要求(qiu)(qiu)。為(wei)了了解產(chan)(chan)(chan)品絕緣性能(neng)的(de)(de)(de)(de)(de)好(hao)壞，在產(chan)(chan)(chan)品的(de)(de)(de)(de)(de)設計、結構(gou)、及絕緣材質等因素，這些都有(you)相應(ying)的(de)(de)(de)(de)(de)規范(fan)或標(biao)準(zhun)。通常(chang)生產(chan)(chan)(chan)廠(chang)家會利(li)用不同(tong)的(de)(de)(de)(de)(de)方(fang)式(shi)來檢查或檢測。但是對電氣產(chan)(chan)(chan)品而言，有(you)一種測試(shi)(shi)(shi)是...
變壓器(qi)(qi)直(zhi)流(liu)(liu)電阻(zu)測(ce)試儀(yi)(yi)采用(yong)典型的(de)四(si)線(xian)制測(ce)量(liang)法。以期提高(gao)(gao)測(ce)量(liang)電阻(zu)（尤(you)其是低(di)阻(zu)）的(de)準確度(du)。程(cheng)(cheng)控恒流(liu)(liu)源、程(cheng)(cheng)控前(qian)置放(fang)大器(qi)(qi)、A/D轉換器(qi)(qi)構成了測(ce)量(liang)電路(lu)的(de)主體。中央(yang)控制單元通(tong)過控制恒流(liu)(liu)源給外(wai)部待測(ce)負載(zai)施加一(yi)(yi)個恒定(ding)、高(gao)(gao)精度(du)的(de)電流(liu)(liu)，然后(hou)，將所(suo)獲(huo)得的(de)數(shu)據（包括測(ce)試電壓、當前(qian)的(de)測(ce)試電流(liu)(liu)等(deng)）進行處理，得到實際電阻(zu)值。變壓器(qi)(qi)直(zhi)流(liu)(liu)電阻(zu)測(ce)試儀(yi)(yi)安全措施:1、使(shi)用(yong)本儀(yi)(yi)器(qi)(qi)前(qian)一(yi)(yi)定(ding)要(yao)認真閱讀本手冊。2、儀(yi)(yi)器(qi)(qi)的(de)操作(zuo)者應(ying)具備(bei)一(yi)(yi)般電氣(qi)設(she)備(bei)或儀(yi)(yi)器(qi)(qi)的(de)使(shi)用(yong)常(chang)識。3、變壓器(qi)(qi)直(zhi)流(liu)(liu)電阻(zu)測(ce)試儀(yi)(yi)戶內外(wai)均可(ke)使(shi)用(yong)，但應(ying)避開雨淋(lin)、腐(fu)蝕氣(qi)體、塵...
1.電(dian)源(yuan)直流(liu)電(dian)阻(zu)測(ce)(ce)試儀(yi)為測(ce)(ce)試提供(gong)的(de)(de)(de)(de)電(dian)源(yuan)的(de)(de)(de)(de)兩種：AC220V/DC12V。在強(qiang)電(dian)磁場干(gan)擾的(de)(de)(de)(de)情況下(xia)(xia)，建議(yi)使用(yong)直流(liu)電(dian)源(yuan)測(ce)(ce)試，此狀態下(xia)(xia)測(ce)(ce)試的(de)(de)(de)(de)數值穩定(ding)，抗工頻干(gan)擾能(neng)力強(qiang)。A、直流(liu)電(dian)阻(zu)測(ce)(ce)試儀(yi)交流(liu)電(dian)源(yuan)測(ce)(ce)試：接上(shang)交流(liu)AC220V電(dian)源(yuan)，相應的(de)(de)(de)(de)指(zhi)示(shi)燈(deng)亮，閉合(he)總電(dian)源(yuan)開(kai)關(guan)，相應的(de)(de)(de)(de)指(zhi)示(shi)燈(deng)亮，按下(xia)(xia)“啟停(ting)”鍵，即可(ke)進(jin)行測(ce)(ce)試。測(ce)(ce)試完畢，關(guan)閉總電(dian)源(yuan)開(kai)關(guan)(AC220V)，相應的(de)(de)(de)(de)指(zhi)示(shi)燈(deng)滅，放電(dian)后(hou)，再轉換測(ce)(ce)試夾，進(jin)行再次(ci)測(ce)(ce)試。B、充(chong)電(dian)：接上(shang)交流(liu)AC220V電(dian)源(yuan)，此充(chong)電(dian)指(zhi)示(shi)燈(deng)亮，表(biao)示(shi)正在對機內的(de)(de)(de)(de)可(ke)充(chong)電(dian)池進(jin)行充(chong)電(dian)工作。...
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