專業的(de)管(guan)型母(mu)(mu)線生產商——寧夏天(tian)地經緯電力設備工程有(you)限公司 (一)載(zai)(zai)流(liu)(liu)量(liang)大(da),集(ji)膚效應(ying)低(di)、功率損失(shi)小(xiao) 絕緣銅管(guan)母(mu)(mu)線為空心導(dao)體(ti)(ti),表(biao)面積大(da),導(dao)體(ti)(ti)表(biao)面電流(liu)(liu)密度分布(bu)均勻,集(ji)膚效應(ying)系數低(di),Kf≤1,交流(liu)(liu)電阻(zu)小(xiao),因而母(mu)(mu)線的(de)功率損失(shi)小(xiao)。銅管(guan)導(dao)體(ti)(ti)Ф100×5mm,截面積:1491mm2,載(zai)(zai)流(liu)(liu)量(liang):4000A,電流(liu)(liu)密度:2.68(A/mm2);銅管(guan)... [全文]
2019-11-28現代高(gao)(gao)層建(jian)筑(zhu)(zhu)和大型的車間(jian)需(xu)(xu)要巨大的電能(neng),而面對這(zhe)龐(pang)大負荷(he)所需(xu)(xu)成(cheng)百上(shang)千安(an)培的強大電流就要選用安(an)全可靠的傳(chuan)導設(she)備(bei)。母線系(xi)統(tong)將是(shi)您理想(xiang)的選擇。母線槽(cao)系(xi)統(tong)是(shi)一個(ge)高(gao)(gao)效輸送電流的配(pei)電裝置,尤(you)其適應了(le)越來越高(gao)(gao)的建(jian)筑(zhu)(zhu)物和大規模(mo)工廠(chang)經濟(ji)合理配(pei)線的需(xu)(xu)要。 母線槽(cao)基本信息 【定義】:由銅(tong)、鋁母線柱構成(cheng)的一種封(feng)閉的金... [全文]
2019-11-281.電壓(ya)高,會使變(bian)壓(ya)器(qi)(qi)過勵磁(ci),響聲增大(da)且尖銳,直接嚴(yan)重影響變(bian)壓(ya)器(qi)(qi)的(de)(de)噪(zao)(zao)音(yin)。 2.風機、外殼、其(qi)他零部件的(de)(de)共振將會產(chan)生噪(zao)(zao)音(yin),一般(ban)會誤認為是變(bian)壓(ya)器(qi)(qi)的(de)(de)噪(zao)(zao)音(yin)。 3.安裝不(bu)好會加(jia)劇變(bian)壓(ya)器(qi)(qi)振動,放大(da)變(bian)壓(ya)器(qi)(qi)的(de)(de)噪(zao)(zao)音(yin)。 4.運行環(huan)境(jing)影響變(bian)壓(ya)器(qi)(qi)的(de)(de)噪(zao)(zao)音(yin),環(huan)境(jing)不(bu)利(li)會使變(bian)壓(ya)器(qi)(qi)噪(zao)(zao)音(yin)增大(da)3dB~7dB。 5.漏磁(ci)場使母(mu)線產(chan)生振動。母(mu)線... [全文(wen)]
2019-11-281.過(guo)載 隨著居(ju)民用(yong)(yong)電(dian)量(liang)的(de)劇(ju)增(zeng),季節性及特(te)殊天氣(qi)等原因(yin)造(zao)(zao)成用(yong)(yong)電(dian)高峰,使配電(dian)變(bian)壓(ya)器(qi)(qi)(qi)過(guo)載運行。由(you)于變(bian)壓(ya)器(qi)(qi)(qi)長(chang)期過(guo)載運行,造(zao)(zao)成變(bian)壓(ya)器(qi)(qi)(qi)內部各部件、線(xian)圈、油(you)(you)(you)(you)絕緣老化。 2.對配電(dian)變(bian)壓(ya)器(qi)(qi)(qi)加油(you)(you)(you)(you)時不(bu)科學(xue) 一(yi)是變(bian)壓(ya)器(qi)(qi)(qi)油(you)(you)(you)(you)有幾種油(you)(you)(you)(you)基,不(bu)同(tong)型(xing)(xing)號的(de)油(you)(you)(you)(you)基原則上不(bu)能混(hun)用(yong)(yong),新加入的(de)變(bian)壓(ya)器(qi)(qi)(qi)油(you)(you)(you)(you)與該變(bian)壓(ya)器(qi)(qi)(qi)箱體內的(de)油(you)(you)(you)(you)型(xing)(xing)號可能不(bu)一(yi)致; ... [全文]
2019-11-28目前(qian),電(dian)力系統新增的(de)大(da)型電(dian)力變壓器都采用(yong)有載調壓器,并(bing)配置完善的(de)低壓配電(dian)網絡結構和足(zu)夠的(de)無功補償(chang)容量(liang),以使電(dian)網安(an)全(quan)運行,滿足(zu)用(yong)戶對電(dian)能質量(liang)的(de)要(yao)求,但我國(guo)大(da)部分地、縣級110kV變電(dian)所的(de)主變由(you)于歷史(shi)原因,多采用(yong)無勵磁調壓變壓器。 這(zhe)一(yi)(yi)方法有幾(ji)個弊端:一(yi)(yi)是需要(yao)一(yi)(yi)定的(de)停(ting)電(dian)時間來作調整,干擾(rao)了正常生產,少... [全(quan)文]
2019-11-28為了充(chong)分(fen)利用(yong)天(tian)然資(zi)源(yuan),減少燃料運(yun)輸,降(jiang)低電(dian)能(neng)生產成(cheng)本(ben),常(chang)將電(dian)廠建立在(zai)天(tian)然動力資(zi)源(yuan)附近的(de)(de)地(di)方,如水(shui)壩、煤(mei)礦。因(yin)此,就要采用(yong)相應的(de)(de)措施,將大最(zui)的(de)(de)電(dian)能(neng)輸送(song)到(dao)集(ji)中用(yong)電(dian)的(de)(de)區域,然后(hou)再分(fen)配(pei)到(dao)各類用(yong)戶中去。這(zhe)樣(yang)就產生了遠(yuan)距(ju)離高壓送(song)電(dian)和配(pei)電(dian)的(de)(de)問題。 進一(yi)步(bu)從經濟(ji)性(xing)和用(yong)電(dian)連續性(xing)考慮(lv),常(chang)將相距(ju)比較遠(yuan)的(de)(de)多個發電(dian)廠互(hu)... [全文]
2019-11-281.高壓(ya)斷(duan)路(lu)(lu)器(qi)的(de)(de)(de)作用(yong) 這是(shi)在高壓(ya)電(dian)(dian)器(qi)中最(zui)(zui)重要的(de)(de)(de)一種(zhong)電(dian)(dian)器(qi),它的(de)(de)(de)功能(neng)(neng)是(shi)在電(dian)(dian)力系統正常運行和故(gu)障(zhang)(zhang)情(qing)況(kuang)下,斷(duan)、合(he)各種(zhong)性(xing)能(neng)(neng)的(de)(de)(de)電(dian)(dian)流。 高壓(ya)斷(duan)路(lu)(lu)器(qi)最(zui)(zui)主要的(de)(de)(de)功能(neng)(neng)是(shi)切斷(duan)電(dian)(dian)力系統中的(de)(de)(de)故(gu)障(zhang)(zhang)電(dian)(dian)流。 2.隔(ge)離開關的(de)(de)(de)作用(yong) 隔(ge)離開關是(shi)電(dian)(dian)力系統中應用(yong)最(zui)(zui)多的(de)(de)(de)一種(zhong)高壓(ya)開關電(dian)(dian)器(qi)。它的(de)(de)(de)主要功能(neng)(neng)是(shi): (1)建立必要絕緣間隙(xi),保證線路(lu)(lu)及... [全文]
2019-11-281、從硅(gui)鋼片的疊片方(fang)式(shi)(shi)識(shi)別(bie) E形電源(yuan)變(bian)(bian)壓器(qi)(qi)的硅(gui)鋼片是交插入(ru)的,E版十字架,我不要留下空白間隙,整(zheng)個核心匹(pi)配的電影。音頻輸(shu)入(ru)和輸(shu)出變(bian)(bian)壓器(qi)(qi)E片和我電影一定的氣隙之間的不同,這是力量(liang)和音頻變(bian)(bian)壓器(qi)(qi)為最(zui)直(zhi)觀(guan)的方(fang)式(shi)(shi)。這個C-shaped變(bian)(bian)壓器(qi)(qi),電源(yuan)變(bian)(bian)壓器(qi)(qi)一般。 2、從繞組引(yin)出端子數識(shi)別(bie) 電源(yuan)變(bian)(bian)壓器(qi)(qi)常(chang)見的有兩個繞組,一... [全文]
2019-11-281)應(ying)以(yi)電(dian)(dian)(dian)(dian)動機(ji)額定電(dian)(dian)(dian)(dian)流值作為(wei)選擇依據,電(dian)(dian)(dian)(dian)動機(ji)的(de)額定功(gong)率只能作為(wei)參考(kao)。 2)應(ying)充分(fen)考(kao)慮(lv)節電(dian)(dian)(dian)(dian)器(qi)輸出(chu)中含有豐富的(de)諧(xie)波,會使電(dian)(dian)(dian)(dian)動機(ji)的(de)功(gong)率因數和效率變壞,因此,用節電(dian)(dian)(dian)(dian)器(qi)給電(dian)(dian)(dian)(dian)動機(ji)供電(dian)(dian)(dian)(dian)與用工頻電(dian)(dian)(dian)(dian)網(wang)供電(dian)(dian)(dian)(dian)相比較,電(dian)(dian)(dian)(dian)動機(ji)的(de)電(dian)(dian)(dian)(dian)流會增(zeng)(zeng)加10%左(zuo)右(you)(you),而(er)溫升會增(zeng)(zeng)加20%左(zuo)右(you)(you)。所以(yi)在選擇電(dian)(dian)(dian)(dian)動機(ji)和節電(dian)(dian)(dian)(dian)器(qi)時,應(ying)考(kao)慮(lv)到這(zhe)種情(qing)況,適當留有余... [全文]
2019-11-28