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掛接(jie)地(di)(di)(di)線(xian)是(shi)保(bao)護(hu)檢修人(ren)(ren)員的(de)一道安全(quan)屏障(zhang)，是(shi)電力員工(gong)的(de)生命線(xian)，可防止突然來(lai)電對人(ren)(ren)體的(de)傷害。但實(shi)際(ji)工(gong)作(zuo)中，由于接(jie)地(di)(di)(di)線(xian)使用(yong)頻(pin)繁且操(cao)作(zuo)看似簡單，容(rong)易(yi)使人(ren)(ren)產生麻痹思(si)想，其(qi)重要性也(ye)往往被人(ren)(ren)忽視，經常出現不(bu)正確的(de)使用(yong)情況，以致降(jiang)低(di)甚至(zhi)有時失去了接(jie)地(di)(di)(di)線(xian)的(de)安全(quan)保(bao)護(hu)作(zuo)用(yong)，必須引起足夠重視。掛接(jie)地(di)(di)(di)線(xian)是(shi)一項重要的(de)電氣安全(quan)技(ji)術措施，其(qi)操(cao)作(zuo)過程應該嚴肅、認(ren)真、符(fu)合技(ji)術規范(fan)要求，千萬(wan)不(bu)可馬虎大意(yi)。因此，要正確使用(yong)接(jie)地(di)(di)(di)線(xian)，規范(fan)掛、拆(chai)接(jie)地(di)(di)(di)線(xian)的(de)行(xing)為，自覺培養(yang)嚴謹的(de)安全(quan)工(gong)作(zuo)作(zuo)風，提高自身的(de)安全(quan)素(su)質，才能拒危險隱患(huan)于...

CMLD精(jing)密露(lu)(lu)(lu)點(dian)(dian)儀是(shi)在低露(lu)(lu)(lu)點(dian)(dian)且(qie)需(xu)要控(kong)制干點(dian)(dian)的(de)(de)工業(ye)環(huan)境(jing)的(de)(de)理想選擇。它有化學物質(zhi)清除(chu)選項(xiang)，這(zhe)使(shi)得(de)在高濃度(du)(du)化學物質(zhi)和(he)清潔劑的(de)(de)環(huan)境(jing)中(zhong)能(neng)(neng)進行穩定(ding)的(de)(de)測(ce)量(liang)，從(cong)而保證了每次校驗(yan)間隔(ge)之間的(de)(de)準(zhun)確測(ce)量(liang)。這(zhe)項(xiang)功能(neng)(neng)既(ji)能(neng)(neng)通過控(kong)制系統在線執(zhi)(zhi)行，也能(neng)(neng)按預先設定(ding)的(de)(de)時(shi)間間隔(ge)定(ding)期執(zhi)(zhi)行。相對(dui)濕(shi)度(du)(du)是(shi)和(he)環(huan)境(jing)溫(wen)度(du)(du)有關(guan)，所以(yi)提到(dao)相對(dui)濕(shi)度(du)(du)，必須(xu)同(tong)(tong)時(shi)指明環(huan)境(jing)溫(wen)度(du)(du)，否則是(shi)沒有意義的(de)(de)；露(lu)(lu)(lu)點(dian)(dian)是(shi)和(he)環(huan)境(jing)溫(wen)度(du)(du)沒有關(guan)系的(de)(de)。同(tong)(tong)一(yi)露(lu)(lu)(lu)點(dian)(dian)值，在不(bu)同(tong)(tong)的(de)(de)環(huan)境(jing)溫(wen)度(du)(du)條件下(xia)，對(dui)應于不(bu)同(tong)(tong)的(de)(de)相對(dui)濕(shi)度(du)(du)。濕(shi)度(du)(du)的(de)(de)測(ce)量(liang)方法有很多，不(bu)同(tong)(tong)的(de)(de)測(ce)量(liang)方法，側重于不(bu)同(tong)(tong)的(de)(de)濕(shi)度(du)(du)單(dan)位，當(dang)...

繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)測試(shi)儀(yi)是(shi)(shi)一(yi)種(zhong)用(yong)(yong)于繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)及安全(quan)自(zi)動(dong)檢(jian)驗(yan)的(de)(de)(de)裝(zhuang)置(zhi)，可靠的(de)(de)(de)應答才能(neng)有效保(bao)(bao)(bao)障(zhang)保(bao)(bao)(bao)護(hu)裝(zhuang)置(zhi)的(de)(de)(de)應用(yong)(yong)性(xing)能(neng)，而(er)繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)測試(shi)儀(yi)正(zheng)是(shi)(shi)驗(yan)證這一(yi)性(xing)能(neng)的(de)(de)(de)檢(jian)驗(yan)裝(zhuang)置(zhi)，下面本文(wen)主(zhu)要根據(ju)繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)測試(shi)儀(yi)檢(jian)定(ding)規范介紹其(qi)交流電(dian)(dian)(dian)(dian)(dian)流輸(shu)出誤差限值(zhi)要求及校準操(cao)作。繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)測試(shi)儀(yi)可分為兩種(zhong)形式，一(yi)種(zhong)是(shi)(shi)采用(yong)(yong)傳統的(de)(de)(de)OCL功(gong)放，體(ti)積(ji)大，重量(liang)在25Kg左右，比較(jiao)笨重，功(gong)放管工作在放大區，時間長了容易損(sun)壞(huai)，且動(dong)態范圍窄，精度不高。另一(yi)種(zhong)是(shi)(shi)采用(yong)(yong)開關電(dian)(dian)(dian)(dian)(dian)源，功(gong)放采用(yong)(yong)數字功(gong)放，體(ti)積(ji)小，重量(liang)輕，效率高，是(shi)(shi)繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)測試(shi)儀(yi)的(de)(de)(de)發展方向。繼(ji)電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)(bao)護(hu)測...

短(duan)(duan)路(lu)接(jie)(jie)地(di)線(xian)(xian)是電(dian)(dian)力行(xing)業(ye)在設備(bei)或(huo)線(xian)(xian)路(lu)斷電(dian)(dian)后進行(xing)檢修之前(qian)要掛接(jie)(jie)的(de)一種安(an)全短(duan)(duan)路(lu)裝置，用來預防突(tu)然來電(dian)(dian)杜操(cao)作人員或(huo)設備(bei)造(zao)成傷害的(de)安(an)全防護用具(ju)。這種裝置是嚴(yan)格(ge)按照國家電(dian)(dian)力行(xing)業(ye)DL/T879-2004《攜帶(dai)型短(duan)(duan)路(lu)接(jie)(jie)地(di)線(xian)(xian)技術(shu)規定》的(de)安(an)全用具(ju)，在電(dian)(dian)力行(xing)業(ye)屬(shu)于安(an)全工器具(ju)范(fan)疇。攜帶(dai)型短(duan)(duan)路(lu)接(jie)(jie)地(di)線(xian)(xian)由絕緣(yuan)(yuan)操(cao)作桿(gan)、導線(xian)(xian)夾(jia)(jia)組成，導線(xian)(xian)夾(jia)(jia)采用優(you)質鋁(lv)合金壓鑄,強(qiang)度(du)高,再經(jing)表(biao)面處理(li)使線(xian)(xian)夾(jia)(jia)表(biao)面不宜氧(yang)氣。操(cao)作棒(bang)用進口(kou)環氧(yang)樹脂精制成彩色(se)(se)管，絕緣(yuan)(yuan)性能好，強(qiang)度(du)高、重量輕、色(se)(se)彩鮮明、外表(biao)光滑。短(duan)(duan)路(lu)接(jie)(jie)地(di)線(xian)(xian)的(de)作用有(you)哪些？1、保(bao)護人...

高(gao)(gao)壓(ya)無線(xian)核(he)相(xiang)(xiang)儀是(shi)如何(he)進(jin)行自我(wo)檢(jian)測的(de)？核(he)相(xiang)(xiang)一般先用相(xiang)(xiang)序表檢(jian)查(cha)相(xiang)(xiang)序正確，然后再測量(liang)兩個需(xu)要核(he)相(xiang)(xiang)的(de)電(dian)源的(de)各(ge)相(xiang)(xiang)間(jian)電(dian)壓(ya)值(zhi)，如兩個都是(shi)400V,同名(ming)相(xiang)(xiang)之間(jian)的(de)電(dian)壓(ya)應(ying)該(gai)為0V，不同名(ming)相(xiang)(xiang)之間(jian)的(de)電(dian)壓(ya)應(ying)該(gai)為400V。要是(shi)檢(jian)查(cha)廠(chang)內的(de)接線(xian)樁頭和(he)外網(wang)連接后相(xiang)(xiang)位的(de)對應(ying)，不對應(ying)那(nei)事就(jiu)大去(qu)了，輕則(ze)損壞設備(bei)，重則(ze)人身傷亡都有啊，做這(zhe)個工作得(de)是(shi)專門有這(zhe)方面技術的(de)一般是(shi)一次、二次人員共同做的(de)，是(shi)電(dian)氣*的(de)試驗。高(gao)(gao)壓(ya)無線(xian)核(he)相(xiang)(xiang)儀是(shi)如何(he)進(jin)行自我(wo)檢(jian)測的(de)？1、自檢(jian)a.使用之前必須將發射器(qi)1號和(he)發射器(qi)2號，接收器(qi)電(dian)池充足將自檢(jian)線(xian)...

全(quan)自(zi)(zi)動(dong)變頻(pin)抗(kang)干(gan)擾(rao)介(jie)質(zhi)(zhi)(zhi)損(sun)耗測試儀(yi)是一種(zhong)新(xin)穎的(de)測量(liang)介(jie)質(zhi)(zhi)(zhi)損(sun)耗角正(zheng)切值(zhi)（tgδ）和電(dian)(dian)容(rong)值(zhi)（Cx）的(de)智能(neng)化儀(yi)器(qi)。可以在工頻(pin)高(gao)(gao)(gao)壓(ya)下(xia)，現場(chang)測量(liang)各種(zhong)絕緣材料、絕緣套管(guan)、電(dian)(dian)力(li)電(dian)(dian)纜、電(dian)(dian)容(rong)器(qi)、互感器(qi)、變壓(ya)器(qi)等高(gao)(gao)(gao)壓(ya)設備的(de)介(jie)質(zhi)(zhi)(zhi)損(sun)耗角正(zheng)切值(zhi)（tgδ）和電(dian)(dian)容(rong)值(zhi)（Cx）。儀(yi)器(qi)為一體化結構，內(nei)置標準電(dian)(dian)容(rong)器(qi)和升壓(ya)電(dian)(dian)源，體積小、重量(liang)輕，便于(yu)攜(xie)帶，具有(you)操作簡單、自(zi)(zi)動(dong)測量(liang)、讀(du)數直觀、無需換算、精度高(gao)(gao)(gao)、抗(kang)干(gan)擾(rao)能(neng)力(li)強等優點，亦可外(wai)接電(dian)(dian)源與本廠生產的(de)各種(zhong)規(gui)格的(de)高(gao)(gao)(gao)電(dian)(dian)壓(ya)等級的(de)標準電(dian)(dian)容(rong)器(qi)配套使用，用以測量(liang)高(gao)(gao)(gao)壓(ya)介(jie)損(sun)。全(quan)自(zi)(zi)動(dong)抗(kang)干(gan)擾(rao)介(jie)...

根據(ju)互(hu)(hu)(hu)感(gan)器二次(ci)側的勵(li)磁電(dian)(dian)流(liu)(liu)和電(dian)(dian)壓計算出的電(dian)(dian)流(liu)(liu)倍(bei)數(shu)(shu)(shu)(shu)(shu)(M)與允(yun)許(xu)(xu)二次(ci)負(fu)荷(he)(he)(ZII)之間的5%、10%誤(wu)差(cha)曲(qu)線(xian)的數(shu)(shu)(shu)(shu)(shu)據(ju)中(zhong)也(ye)可判斷互(hu)(hu)(hu)感(gan)器保護繞組是否合格(ge)：1)在接近理(li)論(lun)電(dian)(dian)流(liu)(liu)倍(bei)數(shu)(shu)(shu)(shu)(shu)下所測(ce)(ce)量的實際負(fu)荷(he)(he)大于(yu)互(hu)(hu)(hu)感(gan)器銘牌(pai)上理(li)論(lun)負(fu)荷(he)(he)值，說(shuo)明該(gai)互(hu)(hu)(hu)感(gan)器合格(ge)數(shu)(shu)(shu)(shu)(shu)據(ju)說(shuo)明;2)在接近理(li)論(lun)負(fu)荷(he)(he)下所測(ce)(ce)量的實際電(dian)(dian)流(liu)(liu)倍(bei)數(shu)(shu)(shu)(shu)(shu)大于(yu)互(hu)(hu)(hu)感(gan)器銘牌(pai)上的理(li)論(lun)電(dian)(dian)流(liu)(liu)倍(bei)數(shu)(shu)(shu)(shu)(shu),也(ye)說(shuo)明該(gai)互(hu)(hu)(hu)感(gan)器合格(ge)數(shu)(shu)(shu)(shu)(shu)據(ju)說(shuo)明;電(dian)(dian)流(liu)(liu)互(hu)(hu)(hu)感(gan)器變比性測(ce)(ce)試儀保護用電(dian)(dian)流(liu)(liu)互(hu)(hu)(hu)感(gan)器二次(ci)負(fu)荷(he)(he)應滿(man)足5%誤(wu)差(cha)曲(qu)線(xian)的要求，只(zhi)要電(dian)(dian)流(liu)(liu)互(hu)(hu)(hu)感(gan)器二次(ci)實際負(fu)荷(he)(he)小于(yu)5%誤(wu)差(cha)曲(qu)線(xian)允(yun)許(xu)(xu)的負(fu)荷(he)(he)，在額定電(dian)(dian)流(liu)(liu)倍(bei)數(shu)(shu)(shu)(shu)(shu)下...

絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)測(ce)(ce)試儀通常被(bei)稱為兆歐表(biao)(biao)或高阻(zu)(zu)計，廣泛用(yong)于測(ce)(ce)量發電(dian)(dian)(dian)機(ji)、馬達、電(dian)(dian)(dian)源(yuan)變(bian)(bian)壓器、配線、電(dian)(dian)(dian)器和其它電(dian)(dian)(dian)氣(qi)裝置(如控(kong)制(zhi)、信(xin)號、通信(xin)和電(dian)(dian)(dian)源(yuan)的(de)(de)(de)電(dian)(dian)(dian)纜)的(de)(de)(de)絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)。它們往(wang)往(wang)被(bei)用(yong)于例行(xing)維護程序中(zhong)來指示(shi)電(dian)(dian)(dian)機(ji)在(zai)數月(yue)或數年內(nei)絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)變(bian)(bian)化。絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)發生大的(de)(de)(de)變(bian)(bian)化，就可能預示(shi)著潛在(zai)的(de)(de)(de)故障。所以，就需要對兆歐表(biao)(biao)進行(xing)定期校(xiao)準，以確(que)保儀表(biao)(biao)本(ben)身沒有隨時間發生變(bian)(bian)化。絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)是指用(yong)絕(jue)(jue)(jue)緣(yuan)材料隔開兩部分導體(ti)(ti)之間的(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)，而絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)測(ce)(ce)試儀是用(yong)來測(ce)(ce)量絕(jue)(jue)(jue)緣(yuan)電(dian)(dian)(dian)阻(zu)(zu)大小的(de)(de)(de)儀器。為了保證(zheng)電(dian)(dian)(dian)氣(qi)設備運行(xing)的(de)(de)(de)安全，應對其不(bu)同(tong)性(xing)(不(bu)同(tong)相)的(de)(de)(de)導體(ti)(ti)...

回(hui)(hui)(hui)路(lu)電(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)儀在現(xian)(xian)場(chang)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)時(shi)當測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)儀電(dian)(dian)壓(ya)(ya)接線(xian)(xian)回(hui)(hui)(hui)路(lu)出現(xian)(xian)接觸(chu)不良或開(kai)路(lu)時(shi)，測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)儀還會顯(xian)示(shi)一個(ge)數(shu)值(zhi)，此(ci)時(shi)會出現(xian)(xian)以下(xia)(xia)幾種情況：1、電(dian)(dian)壓(ya)(ya)回(hui)(hui)(hui)路(lu)開(kai)路(lu)，測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)現(xian)(xian)場(chang)沒有強(qiang)電(dian)(dian)場(chang)干擾，這(zhe)種情況下(xia)(xia)，由于放大(da)器(qi)(qi)輸入的差模(mo)電(dian)(dian)壓(ya)(ya)基本為0，故儀器(qi)(qi)顯(xian)示(shi)的測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)數(shu)值(zhi)接近為0，如果測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)人員有足夠的現(xian)(xian)場(chang)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)經(jing)驗，可(ke)以判斷(duan)出是儀器(qi)(qi)電(dian)(dian)壓(ya)(ya)回(hui)(hui)(hui)路(lu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)線(xian)(xian)異常，將儀器(qi)(qi)電(dian)(dian)壓(ya)(ya)回(hui)(hui)(hui)路(lu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)線(xian)(xian)異常排除后，可(ke)以得出終正確測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)結果；如果測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)人員沒有足夠的現(xian)(xian)場(chang)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)經(jing)驗，有可(ke)能會誤(wu)判測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)儀出現(xian)(xian)問題，中斷(duan)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)，更換或返(fan)修儀器(qi)(qi)，延(yan)誤(wu)停電(dian)(dian)時(shi)間(jian)，給測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)工作帶來(lai)不...

紅(hong)外(wai)(wai)線(xian)測(ce)(ce)溫(wen)儀(yi)是一種常用(yong)(yong)的(de)紅(hong)外(wai)(wai)溫(wen)度檢測(ce)(ce)儀(yi)器(qi)，具有體積小巧、攜帶方便、測(ce)(ce)量、性能穩(wen)定等(deng)優(you)點。用(yong)(yong)戶在(zai)(zai)使用(yong)(yong)手持(chi)式紅(hong)外(wai)(wai)測(ce)(ce)溫(wen)儀(yi)時的(de)環境(jing)條件需要(yao)從多個方面來考(kao)慮。首(shou)先，紅(hong)外(wai)(wai)線(xian)測(ce)(ce)溫(wen)儀(yi)所處的(de)環境(jing)條件對(dui)測(ce)(ce)量結果有很大影響(xiang)(xiang)，應予考(kao)慮并(bing)適當(dang)解(jie)決，否則(ze)會影響(xiang)(xiang)測(ce)(ce)溫(wen)精度甚至引起損(sun)壞(huai)。當(dang)環境(jing)溫(wen)度高，存在(zai)(zai)灰塵(chen)、煙霧和(he)蒸汽的(de)條件下，可選用(yong)(yong)廠商提供的(de)保護(hu)套、水(shui)冷卻、空(kong)氣(qi)冷卻系統、空(kong)氣(qi)吹(chui)掃器(qi)等(deng)附件。這些附件可有效(xiao)地(di)解(jie)決環境(jing)影響(xiang)(xiang)并(bing)保護(hu)測(ce)(ce)溫(wen)儀(yi)，實現準確(que)測(ce)(ce)溫(wen)。在(zai)(zai)確(que)定附件時，應盡可能要(yao)求標準化服務，以降低安裝成本(ben)。當(dang)在(zai)(zai)噪聲...