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新聞詳細/干式變壓器低壓配電的常見接線方式

干式變壓器低壓配電的常見接線方式

網站編輯：華盈非晶合金變壓器有限公司 │ 發表時間：2024-07-16

　　干式(shi)變(bian)壓(ya)器低壓(ya)配電的常見接線方式(shi)有以下幾種：
　　1. 單(dan)相(xiang)(xiang)(xiang)接線方(fang)式：這(zhe)種接線方(fang)式適用(yong)于單(dan)相(xiang)(xiang)(xiang)負荷，即只有一(yi)個相(xiang)(xiang)(xiang)線的(de)負荷。在(zai)這(zhe)種接線方(fang)式中，干式變壓(ya)器(qi)的(de)輸出端直接與單(dan)相(xiang)(xiang)(xiang)負荷相(xiang)(xiang)(xiang)連，形(xing)成一(yi)個閉合回路。這(zhe)種接線方(fang)式簡單(dan)、可靠，適用(yong)于家庭、商業和小型(xing)工業用(yong)電場所。

　　2. 三(san)相四線(xian)(xian)(xian)(xian)制接(jie)(jie)線(xian)(xian)(xian)(xian)方式(shi)(shi)(shi)：這(zhe)(zhe)種接(jie)(jie)線(xian)(xian)(xian)(xian)方式(shi)(shi)(shi)適(shi)用于(yu)(yu)三(san)相負荷，即(ji)有(you)三(san)個(ge)相線(xian)(xian)(xian)(xian)的(de)負荷。在(zai)這(zhe)(zhe)種接(jie)(jie)線(xian)(xian)(xian)(xian)方式(shi)(shi)(shi)中(zhong)(zhong)，干式(shi)(shi)(shi)變(bian)壓器的(de)輸出端(duan)分為三(san)個(ge)相線(xian)(xian)(xian)(xian)和一個(ge)中(zhong)(zhong)性(xing)線(xian)(xian)(xian)(xian)(零(ling)線(xian)(xian)(xian)(xian))。三(san)相負荷分別連接(jie)(jie)到這(zhe)(zhe)三(san)個(ge)相線(xian)(xian)(xian)(xian)上，中(zhong)(zhong)性(xing)線(xian)(xian)(xian)(xian)則(ze)用于(yu)(yu)連接(jie)(jie)單(dan)相負荷和設備。這(zhe)(zhe)種接(jie)(jie)線(xian)(xian)(xian)(xian)方式(shi)(shi)(shi)具(ju)有(you)較高的(de)供電可靠性(xing)和靈活性(xing)，適(shi)用于(yu)(yu)大(da)部(bu)分工(gong)業和商業用電場所。


　　3. 三相(xiang)五(wu)線(xian)(xian)(xian)(xian)(xian)(xian)制接線(xian)(xian)(xian)(xian)(xian)(xian)方(fang)(fang)(fang)式(shi)：這(zhe)種(zhong)(zhong)接線(xian)(xian)(xian)(xian)(xian)(xian)方(fang)(fang)(fang)式(shi)是在(zai)三相(xiang)四線(xian)(xian)(xian)(xian)(xian)(xian)制的基礎上增加了一個(ge)(ge)地線(xian)(xian)(xian)(xian)(xian)(xian)(PE線(xian)(xian)(xian)(xian)(xian)(xian))。地線(xian)(xian)(xian)(xian)(xian)(xian)主要用(yong)于(yu)保(bao)護人身安(an)全和(he)設備(bei)安(an)全，防止電(dian)氣設備(bei)的外殼帶電(dian)。在(zai)三相(xiang)五(wu)線(xian)(xian)(xian)(xian)(xian)(xian)制接線(xian)(xian)(xian)(xian)(xian)(xian)方(fang)(fang)(fang)式(shi)中，干式(shi)變壓器的輸出(chu)端分為(wei)三個(ge)(ge)相(xiang)線(xian)(xian)(xian)(xian)(xian)(xian)、一個(ge)(ge)中性(xing)線(xian)(xian)(xian)(xian)(xian)(xian)和(he)一個(ge)(ge)地線(xian)(xian)(xian)(xian)(xian)(xian)。這(zhe)種(zhong)(zhong)接線(xian)(xian)(xian)(xian)(xian)(xian)方(fang)(fang)(fang)式(shi)具(ju)有較高的安(an)全性(xing)和(he)可(ke)靠(kao)性(xing)，適(shi)用(yong)于(yu)對安(an)全要求(qiu)較高的場(chang)合(he)，如醫院、學校等(deng)。
　　4. 環(huan)形接(jie)(jie)線(xian)(xian)方(fang)(fang)式(shi)：這(zhe)種接(jie)(jie)線(xian)(xian)方(fang)(fang)式(shi)是將干式(shi)變(bian)壓器的(de)輸出端通(tong)過電纜連(lian)接(jie)(jie)成一個閉合回路，形成一個環(huan)形結構。這(zhe)種接(jie)(jie)線(xian)(xian)方(fang)(fang)式(shi)可(ke)以有效地減小線(xian)(xian)路損耗，提高供(gong)電質量(liang)。同(tong)時，環(huan)形接(jie)(jie)線(xian)(xian)方(fang)(fang)式(shi)具有一定的(de)自愈能(neng)力，當線(xian)(xian)路發生故障(zhang)時，可(ke)以自動切換到(dao)備(bei)用線(xian)(xian)路，保證(zheng)供(gong)電的(de)連(lian)續(xu)性。這(zhe)種接(jie)(jie)線(xian)(xian)方(fang)(fang)式(shi)適用于對供(gong)電質量(liang)和(he)可(ke)靠性要求較高的(de)場合。
　　5. 放射(she)式(shi)(shi)接(jie)線方式(shi)(shi)：這種(zhong)接(jie)線方式(shi)(shi)是將干式(shi)(shi)變壓器的(de)輸(shu)出端分別連(lian)接(jie)到各個負荷點，形成(cheng)一(yi)個放射(she)狀結(jie)構。這種(zhong)接(jie)線方式(shi)(shi)具有較高的(de)供電(dian)可靠性和靈活性，可以(yi)根據負荷的(de)變化和需求進行(xing)調(diao)整(zheng)。同時，放射(she)式(shi)(shi)接(jie)線方式(shi)(shi)便(bian)于(yu)維護和管理(li)，適(shi)用(yong)(yong)于(yu)大型工業(ye)和商業(ye)用(yong)(yong)電(dian)場所。
　　總之，干式(shi)(shi)(shi)(shi)變(bian)壓器(qi)低壓配電的常見接(jie)(jie)線(xian)方(fang)(fang)式(shi)(shi)(shi)(shi)有單相接(jie)(jie)線(xian)、三相四(si)線(xian)制(zhi)、三相五線(xian)制(zhi)、環(huan)形接(jie)(jie)線(xian)和(he)放(fang)射(she)式(shi)(shi)(shi)(shi)接(jie)(jie)線(xian)等。各(ge)種接(jie)(jie)線(xian)方(fang)(fang)式(shi)(shi)(shi)(shi)各(ge)有優缺點，應根(gen)據實(shi)際用電需(xu)求(qiu)和(he)現場條件(jian)進行(xing)選(xuan)擇(ze)。

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