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什么是高壓負荷開(kāi)關(guān)?雷爾沃詳細告訴你

文/ 發(fā)布于 2020/6/2    瀏覽次數:343

    “什么是高壓負荷開(kāi)關(guān)?”這是今天小編聽(tīng)一個(gè)高壓負荷開(kāi)關(guān)界小白問(wèn)的,那今天雷爾沃就給詳細講解下,以便需要的你了解高壓負荷開(kāi)關(guān)吧!

一、什么是高壓負荷開(kāi)關(guān)?
    高壓負荷開(kāi)關(guān)是一種功能介于高壓斷路器和高壓隔離開(kāi)關(guān)之間的電器,高壓負荷開(kāi)關(guān)常與高壓熔斷器串聯(lián)配合使用;用于控制電力變壓器。高壓負荷開(kāi)關(guān)具有簡(jiǎn)單的滅弧裝置,因此能通斷一定的負荷電流和過(guò)負荷電流。但是它不能斷開(kāi)短路電流,所以它一般與高壓熔斷器串聯(lián)使用,借助熔斷器來(lái)進(jìn)行短路保護。
二、通用高壓負荷開(kāi)關(guān)的分級
1.El級通用負荷開(kāi)關(guān):適用于配電系統的正常連續饋電,且不需要進(jìn)行頻繁開(kāi)合操作的通用負荷開(kāi)關(guān)。
2.E2級通用負荷開(kāi)關(guān):不需要對主回路的開(kāi)斷部件檢修或維修,且在預期的使用壽命期間,其他零件僅需要很少維護的通用負荷開(kāi)關(guān)。
3. E3級通用負荷開(kāi)關(guān):具有頻繁開(kāi)合較大電流和較高頻率關(guān)合短路能力的通用負荷|笛開(kāi)關(guān)。
4.M1級通用負荷開(kāi)關(guān):具有100次(操作)機械壽命的通用負荷開(kāi)關(guān)。
5.M2級通用負荷開(kāi)關(guān):具有50次延長(cháng)的機械壽命的特殊使用場(chǎng)合的通用負荷開(kāi)
三.額定電壓40.5kV以下的通用負荷開(kāi)關(guān)它具有以下開(kāi)斷和關(guān)合能力:
(1)額定有功負荷開(kāi)斷電流等于額定電流;
(2)額定空載變壓器開(kāi)斷電流等于額定電流的1%;
(3)額定配電線(xiàn)路閉環(huán)開(kāi)斷電流等于額定電流;
(4)額定電纜充電開(kāi)斷電流和額定線(xiàn)路充電開(kāi)斷電流,見(jiàn)下表;
(5)額定短路關(guān)合電流等于額定峰值耐受電流。
    以上這些高壓負荷開(kāi)關(guān)資訊你先看著(zhù),若你還想了解更多高壓負荷開(kāi)關(guān)知識,可以多多關(guān)注雷爾沃電器官網(wǎng)http://www.lazeezcaters.com/。雷爾沃電器有限公司以高壓電器產(chǎn)品作為自己的核心產(chǎn)業(yè),產(chǎn)品設計均是自己專(zhuān)研,主要研發(fā)生產(chǎn)戶(hù)內外VS1高壓真空斷路器,高壓負荷開(kāi)關(guān),高壓隔離開(kāi)關(guān),高壓熔斷器,互感器,避雷器,接地開(kāi)關(guān),六氟化硫開(kāi)關(guān)等產(chǎn)品。產(chǎn)品廣泛應用于各等級電網(wǎng),風(fēng)能發(fā)電廠(chǎng),太陽(yáng)能發(fā)電廠(chǎng),核電,水電等領(lǐng)域。我們不僅為你提供高壓電器產(chǎn)品,同時(shí)為你提供技術(shù)支持呢。雷爾沃人始終堅持“用戶(hù)至上,嚴把質(zhì)量,信譽(yù)優(yōu)良”的宗旨,堅持“匠心智作,安心在沃”的理念,滿(mǎn)懷信心的與國內外客商攜手共進(jìn),共同譜寫(xiě)新的輝煌。

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