電力熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)的(de)(de)(de)結構(gou)與熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)的(de)(de)(de)結構(gou)大致相同。它主(zhu)要由(you)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)、外殼和支座3部分(fen)(fen)組成(cheng)，其中熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)是控制熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)特性的(de)(de)(de)關鍵元(yuan)件(jian)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)的(de)(de)(de)材料、尺寸和形狀(zhuang)決定了(le)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)特性。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)材料分(fen)(fen)為低(di)(di)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)和高(gao)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)兩類。低(di)(di)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)材料如(ru)鉛和鉛合(he)金(jin)(jin)，其熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)低(di)(di)容易熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)，由(you)于其電阻率(lv)較大，故制成(cheng)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)的(de)(de)(de)截面尺寸較大，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)時(shi)產生的(de)(de)(de)金(jin)(jin)屬(shu)蒸(zheng)氣較多，只適用(yong)于低(di)(di)分(fen)(fen)斷(duan)能(neng)力的(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)。高(gao)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)材料如(ru)銅(tong)、銀，其熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)高(gao)，不容易熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)，但由(you)于其電阻率(lv)較低(di)(di)，可制成(cheng)比低(di)(di)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)較小的(de)(de)(de)截面尺寸，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)時(shi)產生的(de)(de)(de)金(jin)(jin)屬(shu)蒸(zheng)氣少，適用(yong)于高(gao)分(fen)(fen)斷(duan)能(neng)力的(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)的(de)(de)(de)形狀(zhuang)分(fen)(fen)為絲狀(zhuang)和帶狀(zhuang)兩種。改變變截面的(de)(de)(de)形狀(zhuang)可改變熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)的(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)特性。[1]美標熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)殼體(ti)(ti)采用(yong)三聚氰胺(an)網格布加陶瓷層疊工藝制成(cheng)，抗(kang)沖(chong)擊(ji)能(neng)力強，并且具有焦(jiao)耳積分(fen)(fen)值小。天津低(di)(di)壓(ya)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)陶瓷熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)體(ti)(ti)Siemens全(quan)新

大中小高壓(ya)(ya)(ya)(ya)熔(rong)(rong)斷(duan)(duan)器銘牌的(de)(de)型號(hao)(hao)字母(mu)含義是什(shen)么？2015-02-27老(lao)姚書館(guan)館(guan)展開(kai)全文高壓(ya)(ya)(ya)(ya)熔(rong)(rong)斷(duan)(duan)器銘牌的(de)(de)型號(hao)(hao)字母(mu)寄義是什(shen)么？高壓(ya)(ya)(ya)(ya)熔(rong)(rong)斷(duan)(duan)器的(de)(de)型號(hao)(hao)參數及(ji)寄義：□□□—□□/□位：產物字母(mu)代號(hao)(hao)（R-熔(rong)(rong)斷(duan)(duan)器）第(di)二位：使用(yong)情(qing)況（N-戶(hu)(hu)內(nei)，W-戶(hu)(hu)外）第(di)三位：設計(ji)序號(hao)(hao)（1，2，3……）第(di)四位：額定電壓(ya)(ya)(ya)(ya)（KV）第(di)五位：結構特點（H-帶(dai)有(you)(you)限流電阻，Z-帶(dai)重合閘(zha)，T-帶(dai)熱脫(tuo)扣器）第(di)六位：額定電流（A）贊賞(shang)共(gong)11人(ren)贊賞(shang)本站(zhan)是提供個(ge)人(ren)知識(shi)管理(li)的(de)(de)網絡存儲(chu)空間(jian)，所有(you)(you)內(nei)容均由(you)用(yong)戶(hu)(hu)發布，不**本站(zhan)觀(guan)點。如發現有(you)(you)害或侵(qin)權內(nei)容，請點擊(ji)這里或撥打24小時舉(ju)報電話：與我(wo)們聯系(xi)。轉藏到我(wo)的(de)(de)圖書館(guan)獻花（0）+1分享(xiang)：微(wei)信QQ空間(jian)QQ好友新(xin)浪微(wei)博推(tui)薦給(gei)朋友來(lai)自：老(lao)姚書館(guan)館(guan)>《電工基(ji)礎知識(shi)》舉(ju)報推(tui)一薦：發原(yuan)創得獎金，“原(yuan)創獎勵計(ji)劃”來(lai)了！|回顧我(wo)的(de)(de)2019，有(you)(you)獎征文邀你分享(xiang)！天津低壓(ya)(ya)(ya)(ya)熔(rong)(rong)斷(duan)(duan)器陶瓷熔(rong)(rong)斷(duan)(duan)體Siemens全新(xin)電壓(ya)(ya)(ya)(ya)在1kV以上的(de)(de)熔(rong)(rong)斷(duan)(duan)器稱為(wei)高壓(ya)(ya)(ya)(ya)熔(rong)(rong)斷(duan)(duan)器。

電(dian)(dian)(dian)(dian)(dian)(dian)力熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)分(fen)(fen)類電(dian)(dian)(dian)(dian)(dian)(dian)力熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)是(shi)(shi)保險(xian)絲（熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)）的(de)(de)(de)(de)(de)一部分(fen)(fen)，他(ta)們(men)可分(fen)(fen)為(wei)半導(dao)體保護熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)，直流熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)，特(te)殊熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)，通(tong)用型(xing)熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)以及熔(rong)(rong)(rong)斷(duan)(duan)器(qi)(qi)(qi)式隔離開關(guan)。二極(ji)(ji)(ji)管(guan)(guan)(guan)1.基本概念二極(ji)(ji)(ji)管(guan)(guan)(guan)由管(guan)(guan)(guan)芯、管(guan)(guan)(guan)殼(ke)和(he)兩個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)構成。管(guan)(guan)(guan)芯是(shi)(shi)一個(ge)PN結(jie)，在PN結(jie)的(de)(de)(de)(de)(de)兩端(duan)各(ge)引(yin)(yin)出一個(ge)引(yin)(yin)線(xian)，并用塑料、玻璃或金屬材料作為(wei)封(feng)裝(zhuang)外殼(ke)，構成了(le)晶體二極(ji)(ji)(ji)管(guan)(guan)(guan)，如下圖(tu)所示。P區(qu)的(de)(de)(de)(de)(de)引(yin)(yin)出的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)稱(cheng)(cheng)為(wei)正(zheng)極(ji)(ji)(ji)或陽極(ji)(ji)(ji)，N區(qu)的(de)(de)(de)(de)(de)引(yin)(yin)出的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)稱(cheng)(cheng)為(wei)負極(ji)(ji)(ji)或陰極(ji)(ji)(ji)。，用于定性(xing)描述這兩者(zhe)關(guan)系(xi)(xi)的(de)(de)(de)(de)(de)曲(qu)(qu)線(xian)稱(cheng)(cheng)為(wei)伏安(an)特(te)性(xing)曲(qu)(qu)線(xian)。通(tong)過(guo)晶體管(guan)(guan)(guan)圖(tu)示儀觀(guan)察到硅二極(ji)(ji)(ji)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)伏安(an)特(te)性(xing)如下圖(tu)所示。）外加(jia)正(zheng)向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)較(jiao)(jiao)小(xiao)時，二極(ji)(ji)(ji)管(guan)(guan)(guan)呈現的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)較(jiao)(jiao)大，正(zheng)向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)流幾(ji)(ji)乎(hu)為(wei)零，曲(qu)(qu)線(xian)OA段(duan)稱(cheng)(cheng)為(wei)不導(dao)通(tong)區(qu)或死區(qu)。一般硅管(guan)(guan)(guan)的(de)(de)(de)(de)(de)死區(qu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)約為(wei)，鍺的(de)(de)(de)(de)(de)死區(qu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)約為(wei)，該電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)值又稱(cheng)(cheng)門坎電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)或閾值電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)。2）當外加(jia)正(zheng)向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)超過(guo)死區(qu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時，PN結(jie)內(nei)電(dian)(dian)(dian)(dian)(dian)(dian)場幾(ji)(ji)乎(hu)被抵(di)消，二極(ji)(ji)(ji)管(guan)(guan)(guan)呈現的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)很小(xiao)，正(zheng)向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)流開始增(zeng)加(jia)，進入正(zheng)向(xiang)(xiang)(xiang)導(dao)通(tong)區(qu)，但(dan)此時電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)與電(dian)(dian)(dian)(dian)(dian)(dian)流不成比例(li)如AB段(duan)。隨外加(jia)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)(de)增(zeng)加(jia)正(zheng)向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)流迅速增(zeng)加(jia)，如BC段(duan)特(te)性(xing)曲(qu)(qu)線(xian)陡直，伏安(an)關(guan)系(xi)(xi)近似(si)線(xian)性(xing)，處于充(chong)分(fen)(fen)導(dao)通(tong)狀態。3）二極(ji)(ji)(ji)管(guan)(guan)(guan)導(dao)通(tong)后兩端(duan)的(de)(de)(de)(de)(de)正(zheng)向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)稱(cheng)(cheng)為(wei)正(zheng)向(xiang)(xiang)(xiang)壓(ya)(ya)(ya)降(jiang)(jiang)（或管(guan)(guan)(guan)壓(ya)(ya)(ya)降(jiang)(jiang)），且(qie)幾(ji)(ji)乎(hu)恒定。硅管(guan)(guan)(guan)的(de)(de)(de)(de)(de)管(guan)(guan)(guan)壓(ya)(ya)(ya)降(jiang)(jiang)約為(wei)，鍺管(guan)(guan)(guan)的(de)(de)(de)(de)(de)管(guan)(guan)(guan)壓(ya)(ya)(ya)降(jiang)(jiang)約為(wei)。）二極(ji)(ji)(ji)管(guan)(guan)(guan)承(cheng)受反向(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時。

使(shi)其截面積變(bian)小而在(zai)(zai)運行(xing)中引起(qi)誤斷(duan)(duan)(duan)。2、拆換(huan)(huan)熔(rong)(rong)(rong)體(ti)時(shi)(shi)，要求(qiu)做到(dao)：1)安(an)裝新熔(rong)(rong)(rong)體(ti)前，要找(zhao)出熔(rong)(rong)(rong)體(ti)熔(rong)(rong)(rong)斷(duan)(duan)(duan)原因，未(wei)確定(ding)熔(rong)(rong)(rong)斷(duan)(duan)(duan)原因，不(bu)要拆換(huan)(huan)熔(rong)(rong)(rong)體(ti)試送;2)更換(huan)(huan)新熔(rong)(rong)(rong)體(ti)時(shi)(shi)，要檢(jian)(jian)(jian)查熔(rong)(rong)(rong)體(ti)的(de)(de)(de)額(e)定(ding)值是否與被保(bao)護設備相匹配;3)更換(huan)(huan)新熔(rong)(rong)(rong)體(ti)時(shi)(shi)，要檢(jian)(jian)(jian)查熔(rong)(rong)(rong)斷(duan)(duan)(duan)管(guan)內部燒(shao)傷(shang)情況(kuang)，如(ru)有嚴(yan)重燒(shao)傷(shang)，應同時(shi)(shi)更換(huan)(huan)熔(rong)(rong)(rong)管(guan)。瓷熔(rong)(rong)(rong)管(guan)損壞時(shi)(shi)，不(bu)允許(xu)用其他材質(zhi)管(guan)代替(ti)。填(tian)(tian)料式熔(rong)(rong)(rong)斷(duan)(duan)(duan)器更換(huan)(huan)熔(rong)(rong)(rong)體(ti)時(shi)(shi)，要注意(yi)填(tian)(tian)充填(tian)(tian)料。3、熔(rong)(rong)(rong)斷(duan)(duan)(duan)器應與配電(dian)(dian)裝置同時(shi)(shi)進行(xing)維修(xiu)工作(zuo)：1)清掃灰塵，檢(jian)(jian)(jian)查接觸點接觸情況(kuang);2)檢(jian)(jian)(jian)查熔(rong)(rong)(rong)斷(duan)(duan)(duan)器外(wai)觀(取下熔(rong)(rong)(rong)斷(duan)(duan)(duan)器管(guan))有無(wu)損傷(shang)、變(bian)形，瓷件有無(wu)放電(dian)(dian)閃爍痕跡;3)檢(jian)(jian)(jian)查熔(rong)(rong)(rong)斷(duan)(duan)(duan)器，熔(rong)(rong)(rong)體(ti)與被保(bao)護電(dian)(dian)路(lu)或設備是否匹配，如(ru)有問(wen)題應及時(shi)(shi)調(diao)查;4)注意(yi)檢(jian)(jian)(jian)查在(zai)(zai)TN接地系統(tong)中的(de)(de)(de)N線，設備的(de)(de)(de)接地保(bao)護線上(shang)，不(bu)允許(xu)使(shi)用熔(rong)(rong)(rong)斷(duan)(duan)(duan)器;5)維護檢(jian)(jian)(jian)查熔(rong)(rong)(rong)斷(duan)(duan)(duan)器時(shi)(shi)，要按安(an)全規程(cheng)要求(qiu)，切斷(duan)(duan)(duan)電(dian)(dian)源，不(bu)允許(xu)帶電(dian)(dian)摘(zhai)取熔(rong)(rong)(rong)斷(duan)(duan)(duan)器管(guan)。其實因為(wei)(wei)(wei)快(kuai)速(su)熔(rong)(rong)(rong)斷(duan)(duan)(duan)器的(de)(de)(de)型號實在(zai)(zai)是太多了，在(zai)(zai)使(shi)用時(shi)(shi)如(ru)果不(bu)是因為(wei)(wei)(wei)對(dui)電(dian)(dian)路(lu)有特(te)別(bie)要求(qiu)，一般來說，快(kuai)速(su)熔(rong)(rong)(rong)斷(duan)(duan)(duan)器的(de)(de)(de)各個型號用起(qi)來差別(bie)并(bing)不(bu)大，因為(wei)(wei)(wei)它們的(de)(de)(de)功(gong)能都是大同小異，都是當電(dian)(dian)路(lu)發(fa)生短(duan)路(lu)故障，熔(rong)(rong)(rong)體(ti)被瞬時(shi)(shi)熔(rong)(rong)(rong)斷(duan)(duan)(duan)而分斷(duan)(duan)(duan)電(dian)(dian)路(lu)時(shi)(shi)，快(kuai)速(su)熔(rong)(rong)(rong)斷(duan)(duan)(duan)器能起(qi)到(dao)短(duan)路(lu)保(bao)護的(de)(de)(de)作(zuo)用。所以在(zai)(zai)選購快(kuai)速(su)熔(rong)(rong)(rong)斷(duan)(duan)(duan)器時(shi)(shi)，可以多看(kan)幾款，可以在(zai)(zai)**大程(cheng)度上(shang)買到(dao)性(xing)價比**高(gao)的(de)(de)(de)快(kuai)速(su)熔(rong)(rong)(rong)斷(duan)(duan)(duan)器。為(wei)(wei)(wei)防止發(fa)生越(yue)級(ji)(ji)熔(rong)(rong)(rong)斷(duan)(duan)(duan)、擴大事(shi)故范圍(wei)，上(shang)、下級(ji)(ji)（即供電(dian)(dian)干、支線）線路(lu)的(de)(de)(de)熔(rong)(rong)(rong)斷(duan)(duan)(duan)器間(jian)應有良好配合。

故(gu)障電(dian)流較(jiao)大(da)(da)時，很容易(yi)(yi)導致上(shang)下級斷(duan)(duan)(duan)(duan)路(lu)(lu)器(qi)均瞬時斷(duan)(duan)(duan)(duan)開；2）相對價(jia)(jia)格(ge)略(lve)高(gao)；3）部分(fen)(fen)斷(duan)(duan)(duan)(duan)路(lu)(lu)器(qi)分(fen)(fen)斷(duan)(duan)(duan)(duan)能(neng)(neng)(neng)(neng)力(li)較(jiao)小(xiao)，如(ru)額(e)定電(dian)流較(jiao)小(xiao)的斷(duan)(duan)(duan)(duan)路(lu)(lu)器(qi)裝設在(zai)靠近大(da)(da)容量(liang)變壓器(qi)位置時，會使分(fen)(fen)斷(duan)(duan)(duan)(duan)能(neng)(neng)(neng)(neng)力(li)不夠(gou)。現有(you)高(gao)分(fen)(fen)斷(duan)(duan)(duan)(duan)能(neng)(neng)(neng)(neng)力(li)的產(chan)品可以滿(man)足(zu)，但價(jia)(jia)較(jiao)高(gao)。選(xuan)(xuan)擇(ze)型斷(duan)(duan)(duan)(duan)路(lu)(lu)器(qi)：1、主要(yao)優(you)點(dian)和(he)特點(dian)1）具有(you)非選(xuan)(xuan)擇(ze)性斷(duan)(duan)(duan)(duan)路(lu)(lu)器(qi)上(shang)述各項優(you)點(dian)；2）具有(you)多種(zhong)保(bao)護(hu)功能(neng)(neng)(neng)(neng)，有(you)長延時、瞬時、短(duan)延時和(he)接地(di)故(gu)障(包括零序(xu)電(dian)流和(he)剩余電(dian)流保(bao)護(hu))保(bao)護(hu)，分(fen)(fen)別(bie)實現過載、斷(duan)(duan)(duan)(duan)路(lu)(lu)延時、大(da)(da)短(duan)路(lu)(lu)電(dian)流瞬時動作(zuo)及接地(di)故(gu)障防(fang)(fang)護(hu)，保(bao)護(hu)靈敏(min)度極(ji)高(gao)，調(diao)節各種(zhong)參數方便，容易(yi)(yi)滿(man)足(zu)配電(dian)線路(lu)(lu)各種(zhong)防(fang)(fang)護(hu)要(yao)求。另外(wai)，可有(you)級聯保(bao)護(hu)功能(neng)(neng)(neng)(neng)，具有(you)更良好(hao)的選(xuan)(xuan)擇(ze)性動作(zuo)性能(neng)(neng)(neng)(neng)；3）現今(jin)產(chan)品多具有(you)智能(neng)(neng)(neng)(neng)特點(dian)，除保(bao)護(hu)功能(neng)(neng)(neng)(neng)外(wai)，還有(you)電(dian)量(liang)測(ce)量(liang)、故(gu)障記(ji)錄，以及通信借口，實現配電(dian)裝置及系(xi)統集中監(jian)控管(guan)理(li)。2、主要(yao)問(wen)題1）價(jia)(jia)格(ge)很高(gao)，因此只宜在(zai)配電(dian)線路(lu)(lu)首端和(he)特別(bie)重要(yao)場所的分(fen)(fen)干線使用；2）尺寸較(jiao)大(da)(da)。這種(zhong)熔(rong)斷(duan)(duan)(duan)(duan)器(qi)的絕(jue)緣管(guan)內若(ruo)充(chong)以石英砂，則分(fen)(fen)斷(duan)(duan)(duan)(duan)電(dian)流時具有(you)限流作(zuo)用，可**提高(gao)分(fen)(fen)斷(duan)(duan)(duan)(duan)能(neng)(neng)(neng)(neng)力(li)，高(gao)分(fen)(fen)斷(duan)(duan)(duan)(duan)能(neng)(neng)(neng)(neng)力(li)熔(rong)斷(duan)(duan)(duan)(duan)器(qi)。天(tian)津低壓熔(rong)斷(duan)(duan)(duan)(duan)器(qi)陶瓷熔(rong)斷(duan)(duan)(duan)(duan)體(ti)Siemens全新

低(di)壓配電(dian)(dian)系(xi)統中熔(rong)(rong)(rong)斷(duan)器(qi)是起(qi)安全保(bao)護作用(yong)的一種電(dian)(dian)器(qi)，熔(rong)(rong)(rong)斷(duan)器(qi)廣泛應用(yong)于電(dian)(dian)網保(bao)護和用(yong)電(dian)(dian)設備保(bao)護。天津低(di)壓熔(rong)(rong)(rong)斷(duan)器(qi)陶瓷熔(rong)(rong)(rong)斷(duan)體Siemens全新

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)標(biao)明電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)的(de)(de)(de)類(lei)(lei)(lei)型;引腳(jiao)由電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)兩端伸出，與(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路連通(tong)，構成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路;標(biao)識信息(xi)通(tong)常提供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)的(de)(de)(de)類(lei)(lei)(lei)別、序(xu)號(hao)(hao)及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)值(zhi)等(deng)參數(shu)信息(xi)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)的(de)(de)(de)種(zhong)類(lei)(lei)(lei)多樣，功能各異(yi)。不(bu)(bu)同類(lei)(lei)(lei)型的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)有(you)不(bu)(bu)同的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)和(he)(he)文字標(biao)識。1.普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)及(ji)其(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)是阻(zu)(zu)(zu)值(zhi)固定的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)，在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路中一般起限(xian)流(liu)和(he)(he)分壓作(zuo)用。普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)的(de)(de)(de)實物(wu)外形(xing)(xing)(xing)和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)如圖(tu)(tu)所示2.熔(rong)(rong)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)及(ji)其(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)熔(rong)(rong)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)又叫保險電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)，具有(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)和(he)(he)過流(liu)保護熔(rong)(rong)斷(duan)(duan)(duan)的(de)(de)(de)雙重作(zuo)用，可在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)較大的(de)(de)(de)情況下(xia)熔(rong)(rong)斷(duan)(duan)(duan)，從而保護整(zheng)個設(she)備不(bu)(bu)受(shou)損壞。熔(rong)(rong)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)器(qi)(qi)(qi)的(de)(de)(de)實物(wu)外形(xing)(xing)(xing)和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路圖(tu)(tu)形(xing)(xing)(xing)符(fu)(fu)(fu)號(hao)(hao)天津低(di)壓熔(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)陶瓷熔(rong)(rong)斷(duan)(duan)(duan)體Siemens全新