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0引言供(gong)電(dian)系(xi)統(tong)逐(zhu)漸(jian)步入(ru)智(zhi)能(neng)化(hua),帶(dai)動了電(dian)力(li)系(xi)統(tong)繼電保(bao)護裝置(zhi)飛速發展(zhan),而我(wo)國繼電保(bao)護測試技術壹(yi)直(zhi)處於探(tan)索階段(duan),可供(gong)借鑒(jian)的經驗(yan)不多。特別(bie)是電(dian)力(li)設(she)備(bei)生(sheng)產(chan)廠家重(zhong)視(shi)設備(bei)生(sheng)產(chan),輕視(shi)設備(bei)試驗(yan),這也給電(dian)氣(qi)試驗(yan)和(he)繼(ji)保檢定工(gong)作造成(cheng)了壹(yi)定的(de)困難(nan)。近(jin)幾年,數(shu)字(zi)化繼電(dian)...
高壓驗(yan)電信(xin)號發(fa)生(sheng)器壹(yi)、信(xin)號發(fa)生(sheng)器產品性能(neng)及(ji)特點:1.目(mu)前(qian),電力(li)部(bu)門(men)使用(yong)大多數(shu)為(wei)電容型(xing)、語(yu)言式(shi)、聲(sheng)光(guang)式(shi)高壓驗(yan)電器(qi),高壓驗(yan)電器(qi)本身雖設(she)有(you)自(zi)檢開關,但(dan)只(zhi)能(neng)檢(jian)測高壓驗(yan)電器(qi)本身的(de)電(dian)路(lu)狀況(kuang),對(dui)於電(dian)路(lu)外來、來自(zi)高壓信(xin)號的(de)檢(jian)驗(yan)卻(que)無能(neng)為(wei)力(li),為(wei)此(ci)我(wo)們特(te)研(yan)制開(kai)發(fa)了WBJ驗(yan)電信(xin)號發(fa)生(sheng)器。2.WBJ驗(yan)電信(xin)號發(fa)生(sheng)器產品能(neng)可(ke)靠地產(chan)生與驗(yan)電器(qi)啟(qi)動(dong)電壓相(xiang)同(tong)高頻(pin)高壓信(xin)號,以(yi)此(ci)來驗(yan)證高壓驗(yan)電器(qi)完好(hao)性,尤其(qi)是全(quan)部(bu)停(ting)電的(de)作業現(xian)場,對(dui)確(que)保(bao)設(she)備(bei)與工(gong)作人員(yuan)生(sheng)命有(you)著及(ji)其(qi)重(zhong)要(yao)的(de)現實(shi)意義(yi)。3.WBJ驗(yan)電信(xin)號發(fa)生(sheng)器設計安(an)全(quan)可(ke)靠,產...
BGY型(xing)防爆電加熱(re)器工(gong)藝:防爆式(shi)加熱(re)管(guan),它(ta)是由防爆加熱(re)管(guan)與防爆接線盒配(pei)合(he)而成(cheng)。不(bu)銹鋼加熱(re)管(guan)在耐(nai)高溫(wen)不(bu)銹鋼無縫(feng)管(guan)內(nei)均勻(yun)地(di)分(fen)布高溫(wen)電(dian)阻絲,在空(kong)隙(xi)部分致(zhi)密地填(tian)入導(dao)熱(re)性能(neng)和(he)絕緣(yuan)性能(neng)均(jun)良好(hao)的(de)結(jie)晶(jing)氧(yang)化鎂(mei)粉,加熱(re)管(guan)這種(zhong)結構不(bu)但先進,熱(re)效率(lv)高,而且(qie)發(fa)熱(re)均勻(yun),當(dang)高溫(wen)電(dian)阻絲中(zhong)有(you)電(dian)流通過時(shi),加(jia)熱(re)管(guan)產生(sheng)的熱(re)通過結(jie)晶(jing)氧(yang)化鎂(mei)粉向金屬(shu)管(guan)表面(mian)擴(kuo)散,再(zai)傳遞(di)到(dao)被(bei)加熱(re)件或空(kong)氣(qi)中(zhong)去,達到(dao)加(jia)熱(re)的目(mu)的(de)。用(yong)途(tu):用(yong)於(yu)氫氣(qi)、溶(rong)鹽(yan)、氯(lv)甲(jia)烷(wan)、透(tou)平油、天然氣(qi)等介質加熱(re)。特點(dian):防爆等級:deIICT1-T4,安(an)全(quan)可(ke)靠。
140卡(ka)電弧(hu)防護服(fu)規格(ge):IFR4B產品備(bei)註:140卡(ka)手套(tao)不(bu)包含(han)在此(ci)範(fan)圍(wei)之內(nei)產品(pin)類(lei)別(bie):電弧(hu)防護服(fu)產(chan)品說(shuo)明(ming)ARC140B™-防彈電弧(hu)閃(shan)燃(ran)服(fu)電(dian)弧(hu)爆(bao)炸(zha)時(shi)用(yong)以(yi)保護用(yong)電(dian)人員(yuan)參(can)數(shu):-材(cai)料:76%*防火aramid纖維,19%三聚(ju)氫胺(melamine)&5%PB外(wai)加(jia)Kevlar層-衣(yi)服(fu)防電弧(hu)值(zhi)(ATPV):140cal/cm2-布(bu)重:30.4oz/yd2-頭罩防電弧(hu)值(zhi)(ATPV):140cal/cm2-面(mian)罩透(tou)視(shi)率:18%特(te)點:ARC140B™是*有(you)針(zhen)對(dui)shrapne...
非(fei)接觸式(shi)紅外(wai)測溫(wen)儀(yi)OT922壹(yi)般(ban)功能(neng)和(he)規格(ge)OT922紅外測溫(wen)儀(yi)OT922測溫(wen)範(fan)圍(wei)200℃~2200℃392℉~4532℉測溫(wen)度(du)±1.5%or±1.5℃測量(liang)距(ju)離(li)比率200:1紅外測溫(wen)儀(yi)OT922發(fa)射率(lv)0.1~1.00(可(ke)調)解(jie)析度0.1℃or0.1℉(1℃or1℉(≥1000℃)響應時(shi)間和(he)響應值(zhi)長(chang)500ms&(8-14)um重復(fu)性±1%or±1℃可固定式(shi)√RS232及DC信(xin)號輸(shu)出口(kou)√預設間(jian)隔測量(liang)時(shi)間(jian)並(bing)保留數(shu)據(ju)√平均值(zhi)和(he)溫(wen)差...
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