計算電(dian)(dian)(dian)(dian)容(rong)補償(chang)(chang)要(yao)(yao)檢測電(dian)(dian)(dian)(dian)機正常(chang)負荷時的功(gong)(gong)率P和功(gong)(gong)率因數(shu)(shu)COSφ1,同(tong)時要(yao)(yao)確定將功(gong)(gong)率因數(shu)(shu)補償(chang)(chang)到多少(shao),即COSφ2,于是計算需(xu)要(yao)(yao)補償(chang)(chang)的電(dian)(dian)(dian)(dian)容(rong):Q=P(tgφ1-tgφ2)。電(dian)(dian)(dian)(dian)容(rong)補償(chang)(chang)亦稱無功(gong)(gong)補償(chang)(chang)或(huo)者功(gong)(gong)率因數(shu)(shu)補償(chang)(chang),其作(zuo)用在于提(ti)高電(dian)(dian)(dian)(dian)網有(you)功(gong)(gong)功(gong)(gong)率、減少(shao)線(xian)路能量損耗、提(ti)高系統供電(dian)(dian)(dian)(dian)能力及減少(shao)線(xian)路電(dian)(dian)(dian)(dian)壓,達(da)...
2020-10-24使(shi)(shi)用(yong)時的測(ce)量方(fang)法(fa):一般(ban)測(ce)量,接好線,分(fen)(fen)別在試品接線懸空或接上,升到試驗(yan)電(dian)(dian)壓后讀取電(dian)(dian)暈、雜(za)散電(dian)(dian)流(liu)及(ji)總(zong)電(dian)(dian)流(liu),從而(er)計算(suan)得出(chu)試品的泄(xie)漏(lou)電(dian)(dian)流(liu)。使(shi)(shi)用(yong)完成后及(ji)時關閉電(dian)(dian)源(yuan)開關,面板指示燈(deng)熄滅(mie),并將調壓電(dian)(dian)位器(qi)退回零位,一分(fen)(fen)鐘后待機內低(di)壓電(dian)(dian)容器(qi)充分(fen)(fen)放電(dian)(dian)后才允(yun)許再次打開電(dian)(dian)源(yuan)開關
2020-10-23串聯(lian)諧振(zhen)又稱變(bian)頻(pin)串聯(lian)諧振(zhen)試(shi)(shi)(shi)驗裝置(zhi),是(shi)(shi)由(you)電(dian)(dian)(dian)抗器、勵磁變(bian)壓器、變(bian)頻(pin)電(dian)(dian)(dian)源(yuan)(yuan)和電(dian)(dian)(dian)容分壓器組成,電(dian)(dian)(dian)源(yuan)(yuan)產品(變(bian)頻(pin)電(dian)(dian)(dian)源(yuan)(yuan))在使(shi)用中(zhong)應注意什么(me)?首先,高壓試(shi)(shi)(shi)驗設備是(shi)(shi)需要由(you)高壓試(shi)(shi)(shi)驗專員(yuan)使(shi)用,諧振(zhen)電(dian)(dian)(dian)源(yuan)(yuan)產品(變(bian)頻(pin)電(dian)(dian)(dian)源(yuan)(yuan))使(shi)用前(qian)應仔細閱讀使(shi)用說明(ming)書,并反復操作訓(xun)練
2020-10-22儀表力矩可(ke)進(jin)一步細分為(wei)反作(zuo)用(yong)(yong)(yong)力矩、阻尼力矩,還有一種結(jie)構可(ke)稱(cheng)為(wei)無(wu)定位(wei)結(jie)構,下面與大家一起分享下反作(zuo)用(yong)(yong)(yong)力矩:儀表可(ke)動部(bu)分在轉(zhuan)動力矩的作(zuo)用(yong)(yong)(yong)下,從(cong)初始位(wei)置開始偏轉(zhuan),若無(wu)其他力矩作(zuo)用(yong)(yong)(yong),則會(hui)出現(xian)不管被測量多大而偏轉(zhuan)到盡頭(tou)
2020-10-21電(dian)(dian)(dian)阻(zu)(zu)測量的(de)(de)(de)基本原(yuan)理(li)是(shi)根據(ju)“歐(ou)姆(mu)定(ding)律”,檢(jian)測的(de)(de)(de)常用工具(ju)有兆歐(ou)表、萬用表及電(dian)(dian)(dian)橋(qiao)等。什么是(shi)直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)(zu)?什么是(shi)直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)(zu)?直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)(zu)是(shi)施加(jia)在被試(shi)對象上一定(ding)大小的(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)(liu),通過(guo)歐(ou)姆(mu)定(ding)律計算后的(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)即為直(zhi)(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)(zu),用歐(ou)姆(mu)(Ω)表示,一般(ban)是(shi)變壓(ya)器(qi)交接、檢(jian)修和更換分接開關后不可或缺的(de)(de)(de)試(shi)驗項(xiang)目,其(qi)測量通常...
2020-10-20