干(gan)式(shi)(shi)(shi)真(zhen)空有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)（以下簡稱分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)），是干(gan)式(shi)(shi)(shi)電力(li)變(bian)(bian)壓器(qi)在勵(li)磁或負載(zai)(zai)(zai)狀態(tai)下進行操作，用(yong)(yong)以調換(huan)變(bian)(bian)壓器(qi)線(xian)圈(quan)的(de)(de)(de)分(fen)接(jie)(jie)(jie)連接(jie)(jie)(jie)位置(zhi)即改變(bian)(bian)變(bian)(bian)壓器(qi)變(bian)(bian)比的(de)(de)(de)一種裝置(zhi)，保(bao)證設(she)備(bei)用(yong)(yong)電電壓穩(wen)定在一定的(de)(de)(de)范圍內，使用(yong)(yong)電設(she)備(bei)正(zheng)常工作，降低(di)損耗、減少費用(yong)(yong)，提高一些(xie)用(yong)(yong)電設(she)備(bei)的(de)(de)(de)壽命。干(gan)式(shi)(shi)(shi)真(zhen)空有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)對環(huan)境無任何污染，是一種環(huan)保(bao)型的(de)(de)(de)產(chan)品(pin)。借鑒國內外的(de)(de)(de)經(jing)驗，運用(yong)(yong)自有(you)技術進行了(le)優化(hua)升級，在產(chan)品(pin)的(de)(de)(de)設(she)計(ji)和制造(zao)上使產(chan)品(pin)質量有(you)了(le)保(bao)證。我(wo)公(gong)司(si)(si)生產(chan)的(de)(de)(de)干(gan)式(shi)(shi)(shi)有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)有(you)三(san)相(xiang)干(gan)式(shi)(shi)(shi)真(zhen)空有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)，單(dan)相(xiang)干(gan)式(shi)(shi)(shi)真(zhen)空有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)，干(gan)式(shi)(shi)(shi)真(zhen)空調容調壓有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)，干(gan)式(shi)(shi)(shi)無勵(li)磁分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)，20多(duo)種規格型號，產(chan)品(pin)現(xian)(xian)已營(ying)銷到全國各(ge)地，并在國家許(xu)多(duo)電網運行中。現(xian)(xian)年產(chan)量已達3000臺套。公(gong)司(si)(si)始(shi)終著力(li)于電力(li)科學的(de)(de)(de)前沿，不斷開(kai)(kai)拓(tuo)創(chuang)新，竭(jie)誠為(wei)電網建設(she)，電力(li)改造(zao)事(shi)業的(de)(de)(de)發展做出不懈的(de)(de)(de)努力(li)。公(gong)司(si)(si)以全新的(de)(de)(de)現(xian)(xian)代化(hua)管理理念，與(yu)時俱(ju)進的(de)(de)(de)管理模式(shi)(shi)(shi)，優良的(de)(de)(de)售前售后服務(wu)，顧客滿意是我(wo)們永恒的(de)(de)(de)追求。讓我(wo)們在平等、互利、互惠、互信的(de)(de)(de)基礎上攜(xie)手合作，創(chuang)造(zao)輝煌的(de)(de)(de)明(ming)天(tian)。有(you)載(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)的(de)(de)(de)價格？配電變(bian)(bian)壓器(qi)分(fen)接(jie)(jie)(jie)開(kai)(kai)關(guan)(guan)如何選型

隨(sui)著我(wo)國經(jing)濟的(de)(de)快速發(fa)展(zhan)，大量農(nong)(nong)民外出務工，農(nong)(nong)村(cun)戶(hu)均用(yong)電(dian)量減(jian)(jian)少，變壓(ya)(ya)(ya)器(qi)大部(bu)分(fen)時間(jian)運行在(zai)(zai)輕(qing)載(zai)(zai)(zai)或(huo)空載(zai)(zai)(zai)狀(zhuang)態，造(zao)成空載(zai)(zai)(zai)運行損耗過高(gao)，降低變壓(ya)(ya)(ya)器(qi)效(xiao)率(lv)。而(er)農(nong)(nong)忙(mang)時節、春節期間(jian)農(nong)(nong)民工返鄉回潮，用(yong)電(dian)負(fu)(fu)荷(he)急(ji)劇(ju)上升(sheng)，變壓(ya)(ya)(ya)器(qi)嚴(yan)重過載(zai)(zai)(zai)，造(zao)成負(fu)(fu)載(zai)(zai)(zai)損耗過高(gao)，變壓(ya)(ya)(ya)器(qi)阻抗電(dian)壓(ya)(ya)(ya)增(zeng)大，低壓(ya)(ya)(ya)側出口電(dian)壓(ya)(ya)(ya)減(jian)(jian)小。另外，針對10kV供電(dian)線(xian)(xian)路(lu)(lu)(lu)半徑(jing)較(jiao)大地(di)區，當(dang)用(yong)電(dian)負(fu)(fu)荷(he)較(jiao)小，由于(yu)線(xian)(xian)路(lu)(lu)(lu)容升(sheng)效(xiao)應，線(xian)(xian)路(lu)(lu)(lu)末端電(dian)壓(ya)(ya)(ya)升(sheng)高(gao)。而(er)當(dang)用(yong)電(dian)負(fu)(fu)荷(he)較(jiao)大，由于(yu)線(xian)(xian)路(lu)(lu)(lu)壓(ya)(ya)(ya)降，即(ji)使始端電(dian)壓(ya)(ya)(ya)已較(jiao)高(gao)，末端電(dian)壓(ya)(ya)(ya)仍(reng)較(jiao)低。有(you)(you)載(zai)(zai)(zai)調(diao)容調(diao)壓(ya)(ya)(ya)配電(dian)變壓(ya)(ya)(ya)器(qi)的(de)(de)應用(yong)，將有(you)(you)效(xiao)提(ti)升(sheng)在(zai)(zai)負(fu)(fu)荷(he)波動大場(chang)合的(de)(de)供電(dian)能效(xiao)，解決城鄉及(ji)農(nong)(nong)村(cun)電(dian)網低電(dian)壓(ya)(ya)(ya)問題，提(ti)高(gao)配網自動化(hua)水平。有(you)(you)載(zai)(zai)(zai)調(diao)容調(diao)壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi)經(jing)過不(bu)斷發(fa)展(zhan)完善，已經(jing)臻于(yu)成熟，具(ju)有(you)(you)較(jiao)高(gao)的(de)(de)市場(chang)前(qian)景。山東億金(jin)電(dian)氣有(you)(you)限公(gong)司生產的(de)(de)干(gan)式真空調(diao)容調(diao)壓(ya)(ya)(ya)有(you)(you)載(zai)(zai)(zai)分(fen)接開(kai)關(guan)，可用(yong)于(yu)干(gan)式調(diao)容調(diao)壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi)。適用(yong)性強，專(zhuan)為(wei)干(gan)變研發(fa)設計。配電(dian)變壓(ya)(ya)(ya)器(qi)分(fen)接開(kai)關(guan)智能控制器(qi)分(fen)接開(kai)關(guan)的(de)(de)電(dian)氣部(bu)分(fen)包括接線(xian)(xian)端子、觸頭、絕緣材料等，用(yong)于(yu)傳輸電(dian)流和隔離電(dian)路(lu)(lu)(lu)。

干(gan)式(shi)(shi)變(bian)(bian)(bian)(bian)壓器(qi)具有(you)安全。無污染，低損耗。體積小等(deng)優點，近年(nian)來在配(pei)電(dian)網(wang)中應(ying)用常(chang)用。干(gan)式(shi)(shi)配(pei)電(dian)變(bian)(bian)(bian)(bian)壓器(qi)目前(qian)大(da)都采(cai)用風(feng)冷(leng)(leng)(leng)散熱方式(shi)(shi)，風(feng)冷(leng)(leng)(leng)系(xi)統在很(hen)大(da)程度(du)上影響著干(gan)式(shi)(shi)變(bian)(bian)(bian)(bian)壓器(qi)的可靠性(xing)。傳統干(gan)式(shi)(shi)變(bian)(bian)(bian)(bian)壓器(qi)裝配(pei)的溫度(du)控制保(bao)護裝置可根(gen)據(ju)三相繞組空度(du)控制冷(leng)(leng)(leng)卻風(feng)機(ji)電(dian)源，未(wei)能對風(feng)機(ji)實(shi)際(ji)運(yun)(yun)行進(jin)行有(you)效監測(ce)。由于(yu)風(feng)冷(leng)(leng)(leng)系(xi)統故(gu)障引發超溫跳閘(zha)甚(shen)至變(bian)(bian)(bian)(bian)壓器(qi)燒(shao)損事故(gu)時(shi)有(you)發生。配(pei)備干(gan)式(shi)(shi)真空有(you)載(zai)分接開關(guan)的干(gan)式(shi)(shi)變(bian)(bian)(bian)(bian)壓器(qi)，可以根(gen)據(ju)負載(zai)自動(dong)調節電(dian)壓，保(bao)護系(xi)統內用電(dian)設備的安全可靠運(yun)(yun)行。

鐵(tie)(tie)心和繞組不浸在(zai)絕緣液體中的(de)(de)(de)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)稱為(wei)(wei)(wei)干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)。干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)主(zhu)要(yao)用(yong)(yong)在(zai)防(fang)火要(yao)求(qiu)較(jiao)(jiao)高(gao)(gao)的(de)(de)(de)場所(suo)，例(li)如(ru)高(gao)(gao)層建筑、地鐵(tie)(tie)、機(ji)場、電(dian)(dian)廠、煤礦井下(xia)及交易大廳等。用(yong)(yong)于一般配電(dian)(dian)網絡和工(gong)(gong)業(ye)系統(tong)的(de)(de)(de)干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)，通(tong)常采(cai)(cai)用(yong)(yong)無勵磁調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)，調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)范圍通(tong)常為(wei)(wei)(wei)±5%或±2×2．5％。分(fen)(fen)(fen)接(jie)(jie)變(bian)(bian)(bian)(bian)換通(tong)常采(cai)(cai)用(yong)(yong)接(jie)(jie)線片來實(shi)現。近年來由于空氣(qi)絕緣真(zhen)空熄弧有(you)(you)載(zai)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關的(de)(de)(de)出現，使(shi)得干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)可以實(shi)現有(you)(you)載(zai)調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)。目前已能系列生(sheng)產(chan)有(you)(you)載(zai)調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)等級為(wei)(wei)(wei)10、35和(63)110kV，容量為(wei)(wei)(wei)400～12500kVA，調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)級數(shu)比(bi)較(jiao)(jiao)大為(wei)(wei)(wei)線性(xing)調(diao)(diao)(diao)8級。干(gan)式(shi)有(you)(you)載(zai)調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)選用(yong)(yong)有(you)(you)載(zai)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關應(ying)(ying)遵循下(xia)述幾個原(yuan)則(ze)：⑴用(yong)(yong)于配電(dian)(dian)網絡或工(gong)(gong)業(ye)系統(tong)的(de)(de)(de)干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)選用(yong)(yong)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關時(shi)，應(ying)(ying)分(fen)(fen)(fen)別按(an)電(dian)(dian)力變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)選用(yong)(yong)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關或工(gong)(gong)業(ye)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)選用(yong)(yong)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關的(de)(de)(de)選用(yong)(yong)原(yuan)則(ze)進行；⑵按(an)干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)使(shi)用(yong)(yong)條件修正所(suo)選用(yong)(yong)的(de)(de)(de)有(you)(you)載(zai)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關額定(ding)(ding)值：①比(bi)較(jiao)(jiao)大額定(ding)(ding)通(tong)過電(dian)(dian)流②絕緣水平為(wei)(wei)(wei)了適應(ying)(ying)國內(nei)各地區(qu)海拔高(gao)(gao)度的(de)(de)(de)安裝要(yao)求(qiu)，空氣(qi)式(shi)有(you)(you)載(zai)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關的(de)(de)(de)絕緣水平應(ying)(ying)比(bi)干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)絕緣水平要(yao)求(qiu)高(gao)(gao)，例(li)如(ru)10kV電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)等級干(gan)式(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)工(gong)(gong)頻耐受(shou)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)要(yao)求(qiu)為(wei)(wei)(wei)28kV(有(you)(you)效值)，而相同電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)等級有(you)(you)載(zai)分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關的(de)(de)(de)工(gong)(gong)頻耐受(shou)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)要(yao)求(qiu)卻為(wei)(wei)(wei)35kV或38kV③調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)方式(shi)和調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)級數(shu)調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)方式(shi)為(wei)(wei)(wei)線性(xing)調(diao)(diao)(diao)，調(diao)(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)級數(shu)8級。分(fen)(fen)(fen)接(jie)(jie)開(kai)(kai)關的(de)(de)(de)作(zuo)用(yong)(yong)有(you)(you)哪(na)些(xie)？

一臺(tai)分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)，從(cong)出廠到實際(ji)投入運(yun)(yun)行，要(yao)(yao)經(jing)過(guo)許多中(zhong)間環節。一般(ban)經(jing)過(guo)運(yun)(yun)輸(shu)、變(bian)壓(ya)器(qi)廠安裝(zhuang)、現場貯(zhu)存和安裝(zhuang)調試(shi)等過(guo)程，歷經(jing)時間ZUI短半年，有(you)(you)的(de)(de)(de)長達(da)三(san)、四年。由于中(zhong)間環節的(de)(de)(de)問題，造(zao)成分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)意外損壞的(de)(de)(de)數量(liang)(liang)達(da)到驚人的(de)(de)(de)地步。即使(shi)分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)投運(yun)(yun)后，因維修(xiu)不當也難免造(zao)成分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)中(zhong)斷運(yun)(yun)行。因此，提高有(you)(you)載分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)運(yun)(yun)行可靠性是制(zhi)(zhi)造(zao)者(zhe)與用(yong)戶的(de)(de)(de)共同任(ren)務。除(chu)了制(zhi)(zhi)造(zao)者(zhe)有(you)(you)嚴格的(de)(de)(de)制(zhi)(zhi)造(zao)質量(liang)(liang)保證外，還需(xu)要(yao)(yao)用(yong)戶的(de)(de)(de)正確安裝(zhuang)、投運(yun)(yun)、定期維護和定期檢修(xiu)以(yi)及制(zhi)(zhi)造(zao)者(zhe)的(de)(de)(de)必要(yao)(yao)的(de)(de)(de)技術(shu)服務。分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)安裝(zhuang)、投運(yun)(yun)和運(yun)(yun)行維修(xiu)必須嚴格按(an)照(zhao)：2005《分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)應用(yong)導(dao)(dao)則》和DL/T574－1995《有(you)(you)載分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)運(yun)(yun)行維修(xiu)導(dao)(dao)則》標(biao)準有(you)(you)關(guan)(guan)規定進行。分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)一般(ban)都是變(bian)壓(ya)器(qi)廠按(an)照(zhao)電(dian)力用(yong)戶提出技術(shu)要(yao)(yao)求，經(jing)過(guo)技術(shu)設(she)計后直接(jie)(jie)訂貨(huo)。變(bian)壓(ya)器(qi)廠對(dui)分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)的(de)(de)(de)訂貨(huo)、入庫(ku)驗收、貯(zhu)存和安裝(zhuang)調試(shi)制(zhi)(zhi)定一系(xi)列技術(shu)規范，以(yi)確保分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)的(de)(de)(de)選用(yong)、安裝(zhuang)的(de)(de)(de)正確性和工作可靠性。有(you)(you)載分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)是一種用(yong)于高壓(ya)電(dian)力系(xi)統的(de)(de)(de)重要(yao)(yao)設(she)備(bei)。變(bian)壓(ya)器(qi)真空分(fen)接(jie)(jie)開(kai)(kai)關(guan)(guan)檔位

分接開(kai)關的(de)發展趨(qu)勢(shi)是向數字化(hua)、智能(neng)化(hua)、自動化(hua)方向發展，以適應電力系統(tong)的(de)現代化(hua)需求。配電變(bian)壓器分接開(kai)關如(ru)何選型

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)網(wang)(wang)(wang)中的(de)(de)(de)主要電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣設備。它可(ke)(ke)以(yi)分(fen)(fen)為發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)、輸(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)、聯絡變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)和(he)(he)配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)四(si)大類。發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)是(shi)(shi)把(ba)(ba)發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機發(fa)出的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)升(sheng)高，以(yi)便遠距離輸(shu)送(song)(song)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)，從而減(jian)少(shao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)輸(shu)送(song)(song)的(de)(de)(de)損耗；輸(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)是(shi)(shi)把(ba)(ba)傳輸(shu)來(lai)的(de)(de)(de)高壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)降到合適(shi)(shi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)或(huo)由聯絡變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)與(yu)其它電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)相連；聯絡變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)是(shi)(shi)把(ba)(ba)兩個或(huo)三個網(wang)(wang)(wang)絡連結起來(lai)，使其間可(ke)(ke)以(yi)有潮流(liu)往來(lai)和(he)(he)能(neng)(neng)(neng)量交換的(de)(de)(de)。這類變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)包括自耦(ou)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)與(yu)三圈變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)；配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)是(shi)(shi)把(ba)(ba)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)降到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣設備工作電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)，即(ji)將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)直接(jie)(jie)(jie)(jie)送(song)(song)給用(yong)戶；電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)調(diao)節通常主要是(shi)(shi)調(diao)節一(yi)次繞組的(de)(de)(de)匝數(shu)來(lai)適(shi)(shi)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)波動，以(yi)維持二次電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)恒(heng)定(ding)。這種調(diao)壓(ya)(ya)(ya)(ya)(ya)方(fang)式的(de)(de)(de)特點是(shi)(shi)恒(heng)磁通調(diao)壓(ya)(ya)(ya)(ya)(ya)，即(ji)調(diao)壓(ya)(ya)(ya)(ya)(ya)時變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)鐵心磁通是(shi)(shi)恒(heng)定(ding)不變(bian)(bian)(bian)的(de)(de)(de)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)選(xuan)(xuan)(xuan)(xuan)用(yong)分(fen)(fen)接(jie)(jie)(jie)(jie)開(kai)(kai)關時，應(ying)遵(zun)循(xun)下(xia)述三個選(xuan)(xuan)(xuan)(xuan)用(yong)原(yuan)(yuan)則(ze)(ze)(ze)：⑴適(shi)(shi)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)調(diao)壓(ya)(ya)(ya)(ya)(ya)方(fang)式特點的(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)用(yong)原(yuan)(yuan)則(ze)(ze)(ze)；⑵恰好滿(man)足變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)運(yun)行和(he)(he)試驗(yan)條件的(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)用(yong)原(yuan)(yuan)則(ze)(ze)(ze)；⑶滿(man)足分(fen)(fen)接(jie)(jie)(jie)(jie)開(kai)(kai)關性能(neng)(neng)(neng)參數(shu)的(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)用(yong)原(yuan)(yuan)則(ze)(ze)(ze)；電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)設計者只有按上述選(xuan)(xuan)(xuan)(xuan)用(yong)原(yuan)(yuan)則(ze)(ze)(ze)來(lai)選(xuan)(xuan)(xuan)(xuan)擇(ze)有載分(fen)(fen)接(jie)(jie)(jie)(jie)開(kai)(kai)關或(huo)無勵磁分(fen)(fen)接(jie)(jie)(jie)(jie)開(kai)(kai)關，才(cai)會獲得比較(jiao)好的(de)(de)(de)技術和(he)(he)經濟(ji)效果。一(yi)般沒(mei)有必要考慮(lv)留有一(yi)定(ding)的(de)(de)(de)保(bao)險裕(yu)度。配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)分(fen)(fen)接(jie)(jie)(jie)(jie)開(kai)(kai)關如何選(xuan)(xuan)(xuan)(xuan)型(xing)

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