成套基礎知識：1、三相交流(liu)母線(xian)(xian)(xian)(xian)(xian)涂(tu)漆(qi)(qi)顏色(se)怎樣規定？應符合(he)哪(na)些要求？⑴A相為(wei)黃色(se)，B相為(wei)綠(lv)色(se)，C相為(wei)紅色(se)。⑵母線(xian)(xian)(xian)(xian)(xian)涂(tu)相色(se)漆(qi)(qi)應均勻，無(wu)起層、皺(zhou)皮(pi)等(deng)缺(que)陷(xian)，界面整齊美觀，銅鋁母線(xian)(xian)(xian)(xian)(xian)涂(tu)覆(fu)前需(xu)用bing酮劑(ji)清理掉母線(xian)(xian)(xian)(xian)(xian)上的(de)油污，鋼(gang)母線(xian)(xian)(xian)(xian)(xian)應噴砂處(chu)(chu)(chu)理。⑶母線(xian)(xian)(xian)(xian)(xian)的(de)螺栓連接處(chu)(chu)(chu)，母線(xian)(xian)(xian)(xian)(xian)與(yu)電(dian)器(qi)連接處(chu)(chu)(chu)10以(yi)內(nei)的(de)地方不得涂(tu)相色(se)漆(qi)(qi)。2、什么(me)叫(jiao)分(fen)閘(zha)同(tong)期性：開(kai)關分(fen)閘(zha)時各相向或同(tong)一(yi)相各斷(duan)口的(de)觸頭(tou)瞬間的(de)較大差異。3、什么(me)叫(jiao)分(fen)閘(zha)速(su)度(du)：開(kai)關分(fen)閘(zha)過程(cheng)中(zhong)(zhong)，觸頭(tou)的(de)運動(dong)速(su)度(du)。4、什么(me)叫(jiao)剛分(fen)速(su)度(du)：開(kai)關分(fen)閘(zha)過程(cheng)中(zhong)(zhong)，觸頭(tou)在剛分(fen)離(li)瞬間的(de)運動(dong)速(su)度(du)。低壓(ya)開(kai)關柜可以(yi)根(gen)據需(xu)要進行定制和配置(zhi)。落地式(shi)低壓(ya)配電(dian)柜怎么(me)樣

GCk開關(guan)(guan)柜：且具有(you)(you)分(fen)斷能(neng)力(li)高(gao),動熱(re)穩(wen)定性(xing)(xing)(xing)(xing)好,結(jie)(jie)構先進合(he)(he)(he)理(li),電氣方案靈(ling)活,系(xi)列性(xing)(xing)(xing)(xing),通(tong)用性(xing)(xing)(xing)(xing)強(qiang),各種(zhong)方案單元任意組合(he)(he)(he)。一(yi)臺柜體,容(rong)納的回路數較多,節(jie)省占(zhan)地面積(ji),防護(hu)等級高(gao),安全可靠,維修方便等優點(dian)。缺(que)點(dian)：水平母(mu)線設(she)在(zai)柜頂垂直母(mu)線沒有(you)(you)阻(zu)燃型(xing)塑料功能(neng)板,不(bu)能(neng)與計算機聯絡(luo)。GCS低壓抽出式開關(guan)(guan)柜：具有(you)(you)較高(gao)技術(shu)性(xing)(xing)(xing)(xing)能(neng)指標,能(neng)夠(gou)適應電力(li)市場發展需要(yao),并可與現有(you)(you)引進的產(chan)品競爭(zheng)。根據安全,經(jing)濟,合(he)(he)(he)理(li),可靠的原則設(she)計的新型(xing)低壓抽出式開關(guan)(guan)柜,還具有(you)(you)分(fen)斷,接通(tong)能(neng)力(li)高(gao),動熱(re)穩(wen)定性(xing)(xing)(xing)(xing)好,電氣方案靈(ling)活,組合(he)(he)(he)方便,系(xi)列性(xing)(xing)(xing)(xing)實用性(xing)(xing)(xing)(xing)強(qiang),結(jie)(jie)構新穎,防護(hu)等級高(gao)等特點(dian)。缺(que)點(dian)：動靜觸頭接插件接觸不(bu)緊密，易出現發熱(re)、渦流、松動。江西低壓開關(guan)(guan)柜價格(ge)低壓開關(guan)(guan)柜可以應用于工業自動化和(he)智能(neng)制造領域。

術語解釋：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣間隙：在(zai)兩個導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)零部(bu)(bu)件之(zhi)間或(huo)導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)零部(bu)(bu)件與設備(bei)防護界面(mian)之(zhi)間測(ce)得(de)的(de)(de)較(jiao)短空(kong)間距(ju)離(li)(li)。即在(zai)保(bao)證電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣性能穩定和安全的(de)(de)情(qing)況下(xia)，通過空(kong)氣能實現(xian)絕緣(yuan)的(de)(de)較(jiao)短距(ju)離(li)(li)。爬電(dian)(dian)(dian)(dian)(dian)(dian)(dian)距(ju)離(li)(li)：即在(zai)不同的(de)(de)使用情(qing)況下(xia)，由于導(dao)體(ti)周圍的(de)(de)絕緣(yuan)材料被電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極化(hua)，導(dao)致(zhi)絕緣(yuan)材料呈(cheng)現(xian)帶(dai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)現(xian)象。此(ci)帶(dai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)區（導(dao)體(ti)為(wei)圓形時(shi)，帶(dai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)區為(wei)環形）的(de)(de)半(ban)徑(jing)，即為(wei)爬電(dian)(dian)(dian)(dian)(dian)(dian)(dian)距(ju)離(li)(li)；在(zai)絕緣(yuan)材料表面(mian)會形成泄漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流路(lu)徑(jing)。若這些(xie)泄漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流路(lu)徑(jing)構成一(yi)條導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)通路(lu)，則(ze)出現(xian)表面(mian)閃(shan)絡或(huo)擊穿(chuan)現(xian)象。絕緣(yuan)材料的(de)(de)這種(zhong)變(bian)化(hua)需要(yao)一(yi)定的(de)(de)時(shi)間，它是由長時(shi)間加在(zai)器件上(shang)的(de)(de)工作電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓所引起的(de)(de)，器件周圍環境的(de)(de)污染(ran)能加速這一(yi)變(bian)化(hua)。

GCK型(xing)號，G是封閉式開(kai)(kai)關(guan)(guan)柜 C是抽出式 K是控(kong)(kong)制(zhi)中心(xin)，用途，GCK開(kai)(kai)關(guan)(guan)柜由動(dong)力(li)配(pei)電中心(xin)(PC) 柜和(he)電動(dong)機控(kong)(kong)制(zhi)中心(xin)(MCC)兩部分(fen)組(zu)成(cheng)。該裝置適用于交流(liu)50(60)HZ、額定(ding)工(gong)作電壓(ya)(ya)小(xiao)于等(deng)于660V、額定(ding)電流(liu)4000A及以下的(de)(de)控(kong)(kong)配(pei)電系(xi)統,作為(wei)動(dong)力(li)配(pei)電、電動(dong)機控(kong)(kong)制(zhi)及照(zhao)明等(deng)配(pei)電設(she)備。GCK開(kai)(kai)關(guan)(guan)柜符合IEC60439-1《低(di)(di)(di)壓(ya)(ya)成(cheng)套開(kai)(kai)關(guan)(guan)設(she)備和(he)控(kong)(kong)制(zhi)設(she)備》、GB7251.1-1997《低(di)(di)(di)壓(ya)(ya)成(cheng)套開(kai)(kai)關(guan)(guan)設(she)備和(he)控(kong)(kong)制(zhi)設(she)備》、GB/T14048.1-93 《低(di)(di)(di)壓(ya)(ya)開(kai)(kai)關(guan)(guan)設(she)備和(he)控(kong)(kong)制(zhi)設(she)備總則》等(deng)標準。 且具有分(fen)斷能(neng)力(li)高、動(dong)熱穩定(ding)性(xing)好、結構(gou)先進合理、電氣方案靈活、系(xi)列性(xing)、通用性(xing)強、各種方案單元(yuan)任意組(zu)合、一臺柜體。低(di)(di)(di)壓(ya)(ya)開(kai)(kai)關(guan)(guan)柜可以根據不同的(de)(de)電氣負荷分(fen)布(bu)進行調整和(he)優化。

時(shi)(shi)(shi)(shi)間(jian)繼(ji)電(dian)(dian)(dian)(dian)器(qi)有(you)什么用(yong)途(tu)？如何分類？時(shi)(shi)(shi)(shi)間(jian)繼(ji)電(dian)(dian)(dian)(dian)器(qi)是指繼(ji)電(dian)(dian)(dian)(dian)器(qi)從獲得(de)輸入信(xin)號開始，到觸頭(tou)動(dong)作(zuo)有(you)一定延(yan)時(shi)(shi)(shi)(shi)，其延(yan)時(shi)(shi)(shi)(shi)又(you)符(fu)合準確度要(yao)求(qiu)的(de)(de)(de)繼(ji)電(dian)(dian)(dian)(dian)器(qi)，它實際上是一種帶(dai)有(you)延(yan)時(shi)(shi)(shi)(shi)觸點(dian)的(de)(de)(de)電(dian)(dian)(dian)(dian)壓繼(ji)電(dian)(dian)(dian)(dian)器(qi)，其延(yan)時(shi)(shi)(shi)(shi)特性有(you)通電(dian)(dian)(dian)(dian)延(yan)時(shi)(shi)(shi)(shi)和斷電(dian)(dian)(dian)(dian)延(yan)時(shi)(shi)(shi)(shi)兩種；其觸頭(tou)亦有(you)瞬時(shi)(shi)(shi)(shi)動(dong)作(zuo)和延(yan)時(shi)(shi)(shi)(shi)動(dong)作(zuo)兩種，時(shi)(shi)(shi)(shi)間(jian)繼(ji)電(dian)(dian)(dian)(dian)器(qi)一般作(zuo)為(wei)輔助元件(jian)(jian)使用(yong)于(yu)各種保護和自動(dong)裝置中，使被控制元件(jian)(jian)的(de)(de)(de)動(dong)作(zuo)得(de)到所(suo)需(xu)要(yao)的(de)(de)(de)延(yan)時(shi)(shi)(shi)(shi)。時(shi)(shi)(shi)(shi)間(jian)繼(ji)電(dian)(dian)(dian)(dian)器(qi)按動(dong)作(zuo)原理可(ke)分以(yi)下兩類：1.機(ji)械式(shi)(shi)(shi)時(shi)(shi)(shi)(shi)間(jian)繼(ji)電(dian)(dian)(dian)(dian)器(qi)。它又(you)可(ke)分為(wei)阻(zu)(zu)尼(ni)式(shi)(shi)(shi)（包(bao)括(kuo)油阻(zu)(zu)尼(ni)式(shi)(shi)(shi)、空氣阻(zu)(zu)尼(ni)式(shi)(shi)(shi)或氣囊式(shi)(shi)(shi)、電(dian)(dian)(dian)(dian)磁(ci)阻(zu)(zu)尼(ni)式(shi)(shi)(shi)）、鐘表式(shi)(shi)(shi)和雙(shuang)金(jin)屬片式(shi)(shi)(shi)等四種。2.電(dian)(dian)(dian)(dian)氣式(shi)(shi)(shi)時(shi)(shi)(shi)(shi)間(jian)繼(ji)電(dian)(dian)(dian)(dian)器(qi)。它又(you)可(ke)分為(wei)電(dian)(dian)(dian)(dian)動(dong)式(shi)(shi)(shi)、計數器(qi)式(shi)(shi)(shi)、熱敏電(dian)(dian)(dian)(dian)阻(zu)(zu)式(shi)(shi)(shi)和阻(zu)(zu)容(rong)式(shi)(shi)(shi)（包(bao)括(kuo)電(dian)(dian)(dian)(dian)磁(ci)式(shi)(shi)(shi)、電(dian)(dian)(dian)(dian)子式(shi)(shi)(shi)）等四種。低壓開關柜具有(you)較低的(de)(de)(de)能耗和環境污染，符(fu)合可(ke)持續發展的(de)(de)(de)要(yao)求(qiu)。固定式(shi)(shi)(shi)低壓配電(dian)(dian)(dian)(dian)箱供應商

低壓(ya)開關柜(ju)可(ke)以有效(xiao)地減少(shao)電氣設(she)備的維修和更換(huan)成本。落(luo)地式低壓(ya)配電柜(ju)怎么樣

GGD型開關柜(ju)(ju)(ju)(ju)，1.1用(yong)途，GGD型交(jiao)(jiao)流(liu)低壓配電(dian)(dian)(dian)(dian)(dian)柜(ju)(ju)(ju)(ju)（下稱GGD柜(ju)(ju)(ju)(ju)）是一(yi)款常用(yong)產品。GGD柜(ju)(ju)(ju)(ju)適合(he)在(zai)交(jiao)(jiao)流(liu)頻(pin)率為50Hz、額(e)定工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)壓為交(jiao)(jiao)流(liu)380V、額(e)定工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)為1000-3150A的(de)(de)配電(dian)(dian)(dian)(dian)(dian)系統中，作(zuo)(zuo)為動(dong)力(li)、照明及發配電(dian)(dian)(dian)(dian)(dian)設(she)備(bei)的(de)(de)電(dian)(dian)(dian)(dian)(dian)能(neng)轉換、分配與控制之(zhi)用(yong)。普遍應用(yong)于(yu)變電(dian)(dian)(dian)(dian)(dian)站、發電(dian)(dian)(dian)(dian)(dian)廠(chang)、廠(chang)礦企業等(deng)場(chang)所。1.2GGD柜(ju)(ju)(ju)(ju)結構特點(dian)：①GGD柜(ju)(ju)(ju)(ju)的(de)(de)柜(ju)(ju)(ju)(ju)體(ti)采(cai)用(yong)通用(yong)柜(ju)(ju)(ju)(ju)形(xing)式，構架(jia)用(yong)8MF冷彎型鋼局部焊接組裝(zhuang)而成(cheng)，并有20模的(de)(de)安(an)裝(zhuang)孔，通用(yong)系數(shu)高；②GGD柜(ju)(ju)(ju)(ju)散熱性能(neng)好(hao)；③GGD柜(ju)(ju)(ju)(ju)的(de)(de)頂蓋可(ke)拆卸，便于(yu)現場(chang)主母線(xian)的(de)(de)裝(zhuang)配和調整(zheng)；④GGD柜(ju)(ju)(ju)(ju)的(de)(de)防護等(deng)級為IP30，用(yong)戶也可(ke)以根(gen)據環(huan)境的(de)(de)要求在(zai)IP20-IP40之(zhi)間選擇(ze)。落地式低壓配電(dian)(dian)(dian)(dian)(dian)柜(ju)(ju)(ju)(ju)怎么(me)樣

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