山东亿金电(dian)(dian)气干式真(zhen)(zhen)空有(you)载分(fen)接开关(guan)(guan)(guan)的维(wei)护及(ji)保养：分(fen)接开关(guan)(guan)(guan)在正常(chang)运(yun)(yun)行(xing)(xing)中一(yi)般(ban)不须(xu)特(te)别维(wei)护，如(ru)(ru)发现(xian)不切换(huan)(huan)或异(yi)常(chang)声光现(xian)象时，应(ying)及(ji)时检(jian)(jian)(jian)(jian)查(cha)(cha)，排(pai)除故障后(hou)方可(ke)(ke)继续(xu)运(yun)(yun)行(xing)(xing)。正常(chang)运(yun)(yun)行(xing)(xing)的分(fen)接开关(guan)(guan)(guan)每年(nian)至少进(jin)行(xing)(xing)一(yi)次(ci)检(jian)(jian)(jian)(jian)查(cha)(cha)；如(ru)(ru)一(yi)年(nian)内运(yun)(yun)行(xing)(xing)次(ci)数达到5000次(ci)时，应(ying)进(jin)行(xing)(xing)一(yi)次(ci)检(jian)(jian)(jian)(jian)查(cha)(cha)，检(jian)(jian)(jian)(jian)查(cha)(cha)项(xiang)目如(ru)(ru)下a)切换(huan)(huan)转换(huan)(huan)触(chu)(chu)头(tou)及(ji)选(xuan)(xuan)择(ze)器触(chu)(chu)头(tou)等(deng)处每年(nian)必须(xu)涂(tu)一(yi)次(ci)导(dao)电(dian)(dian)膏(gao)润(run)滑(hua)。b)检(jian)(jian)(jian)(jian)查(cha)(cha)、搽除绝缘件和导(dao)电(dian)(dian)零件表面(mian)(mian)的灰尘。c)检(jian)(jian)(jian)(jian)查(cha)(cha)所(suo)有(you)紧固(gu)件有(you)无(wu)松动(dong)(dong)，并及(ji)时拧紧。d)检(jian)(jian)(jian)(jian)查(cha)(cha)所(suo)有(you)运(yun)(yun)动(dong)(dong)磨(mo)擦部位的润(run)滑(hua)情(qing)(qing)况(kuang)，搽除污(wu)损(sun)(sun)的润(run)滑(hua)脂(zhi)、及(ji)时补充清洁(jie)润(run)滑(hua)脂(zhi)，这些部位包括：选(xuan)(xuan)择(ze)链条、链轮工作面(mian)(mian)，齿轮啮合面(mian)(mian)等(deng)处应(ying)涂(tu)低温润(run)滑(hua)脂(zhi)润(run)滑(hua)。切换(huan)(huan)动(dong)(dong)触(chu)(chu)片与定(ding)触(chu)(chu)头(tou)之间，选(xuan)(xuan)择(ze)器动(dong)(dong)、定(ding)触(chu)(chu)头(tou)之间涂(tu)导(dao)电(dian)(dian)膏(gao)润(run)滑(hua)。e)检(jian)(jian)(jian)(jian)查(cha)(cha)选(xuan)(xuan)择(ze)器触(chu)(chu)头(tou)压力弹簧有(you)无(wu)损(sun)(sun)坏(huai)、动(dong)(dong)触(chu)(chu)头(tou)运(yun)(yun)动(dong)(dong)是(shi)否灵活。f)检(jian)(jian)(jian)(jian)查(cha)(cha)真(zhen)(zhen)空开关(guan)(guan)(guan)管触(chu)(chu)头(tou)开距应(ying)在2mm以上，触(chu)(chu)头(tou)超程不应(ying)小(xiao)于mm，必要(yao)时进(jin)行(xing)(xing)调整。如(ru)(ru)发现(xian)真(zhen)(zhen)空开关(guan)(guan)(guan)管有(you)破损(sun)(sun)或漏气情(qing)(qing)况(kuang)，可(ke)(ke)按内部绝缘要(yao)求在真(zhen)(zhen)空开关(guan)(guan)(guan)管动(dong)(dong)静(jing)触(chu)(chu)头(tou)间进(jin)行(xing)(xing)4KV工频(pin)1min耐(nai)压试验，若(ruo)发生击(ji)穿须(xu)更换(huan)(huan)好的真(zhen)(zhen)空开关(guan)(guan)(guan)管。有(you)载分(fen)接开关(guan)(guan)(guan)具(ju)有(you)快(kuai)速(su)、可(ke)(ke)靠、安全的特(te)点，广(guang)泛应(ying)用于电(dian)(dian)力行(xing)(xing)业。真(zhen)(zhen)空分(fen)接开关(guan)(guan)(guan)制(zhi)造

干(gan)(gan)式(shi)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)具有(you)安全。无(wu)污染，低损耗。体积小等优(you)点(dian)，近年来在配(pei)电(dian)(dian)(dian)(dian)网(wang)中(zhong)应用常用。干(gan)(gan)式(shi)配(pei)电(dian)(dian)(dian)(dian)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)目前(qian)大都采用风(feng)冷(leng)散(san)热方式(shi)，风(feng)冷(leng)系(xi)统(tong)在很大程度上影响着干(gan)(gan)式(shi)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)可(ke)靠性。传统(tong)干(gan)(gan)式(shi)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)装(zhuang)配(pei)的(de)温(wen)(wen)度控制保护装(zhuang)置可(ke)根据(ju)三相绕组空度控制冷(leng)却(que)风(feng)机电(dian)(dian)(dian)(dian)源，未(wei)能对(dui)风(feng)机实际运行(xing)进行(xing)有(you)效监测。由于风(feng)冷(leng)系(xi)统(tong)故障引(yin)发(fa)超温(wen)(wen)跳闸甚至(zhi)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)烧损事故时有(you)发(fa)生。配(pei)备(bei)干(gan)(gan)式(shi)真(zhen)空有(you)载分接(jie)开关的(de)干(gan)(gan)式(shi)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)，可(ke)以根据(ju)负(fu)载自(zi)动调节电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)，保护系(xi)统(tong)内用电(dian)(dian)(dian)(dian)设备(bei)的(de)安全可(ke)靠运行(xing)。亿金分接(jie)开关报(bao)价配(pei)电(dian)(dian)(dian)(dian)变(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)哪家做的(de)比较好？

铁心和绕组(zu)不浸在(zai)绝(jue)缘(yuan)(yuan)液体中的(de)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)称为(wei)干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)。干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)主要(yao)用在(zai)防(fang)火要(yao)求(qiu)较(jiao)(jiao)高(gao)的(de)场(chang)所，例如(ru)高(gao)层建筑、地铁、机场(chang)、电(dian)(dian)厂、煤矿井下(xia)及交(jiao)易大(da)厅等(deng)(deng)。用于(yu)(yu)一般配(pei)电(dian)(dian)网络(luo)和工(gong)业系(xi)统(tong)的(de)干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)，通(tong)常(chang)(chang)采用无(wu)励磁(ci)调压(ya)(ya)，调压(ya)(ya)范(fan)围通(tong)常(chang)(chang)为(wei)±5%或±2×2．5％。分(fen)接(jie)变(bian)(bian)(bian)(bian)(bian)换通(tong)常(chang)(chang)采用接(jie)线(xian)(xian)片来实现(xian)。近年来由(you)于(yu)(yu)空气绝(jue)缘(yuan)(yuan)真(zhen)空熄弧有(you)载(zai)(zai)(zai)(zai)(zai)分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)的(de)出现(xian)，使(shi)得(de)干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)可以实现(xian)有(you)载(zai)(zai)(zai)(zai)(zai)调压(ya)(ya)。目前已(yi)能系(xi)列生(sheng)产有(you)载(zai)(zai)(zai)(zai)(zai)调压(ya)(ya)干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)的(de)电(dian)(dian)压(ya)(ya)等(deng)(deng)级(ji)(ji)(ji)为(wei)10、35和(63)110kV，容量为(wei)400～12500kVA，调压(ya)(ya)级(ji)(ji)(ji)数(shu)比较(jiao)(jiao)大(da)为(wei)线(xian)(xian)性(xing)调8级(ji)(ji)(ji)。干式(shi)(shi)(shi)有(you)载(zai)(zai)(zai)(zai)(zai)调压(ya)(ya)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)选(xuan)用有(you)载(zai)(zai)(zai)(zai)(zai)分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)应(ying)遵(zun)循下(xia)述几(ji)个原则(ze)：⑴用于(yu)(yu)配(pei)电(dian)(dian)网络(luo)或工(gong)业系(xi)统(tong)的(de)干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)选(xuan)用分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)时，应(ying)分(fen)别按电(dian)(dian)力变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)选(xuan)用分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)或工(gong)业变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)选(xuan)用分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)的(de)选(xuan)用原则(ze)进行；⑵按干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)使(shi)用条件修正所选(xuan)用的(de)有(you)载(zai)(zai)(zai)(zai)(zai)分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)额定(ding)值：①比较(jiao)(jiao)大(da)额定(ding)通(tong)过电(dian)(dian)流②绝(jue)缘(yuan)(yuan)水(shui)(shui)平(ping)为(wei)了适应(ying)国内各地区海(hai)拔高(gao)度的(de)安(an)装要(yao)求(qiu)，空气式(shi)(shi)(shi)有(you)载(zai)(zai)(zai)(zai)(zai)分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)的(de)绝(jue)缘(yuan)(yuan)水(shui)(shui)平(ping)应(ying)比干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)的(de)绝(jue)缘(yuan)(yuan)水(shui)(shui)平(ping)要(yao)求(qiu)高(gao)，例如(ru)10kV电(dian)(dian)压(ya)(ya)等(deng)(deng)级(ji)(ji)(ji)干式(shi)(shi)(shi)变(bian)(bian)(bian)(bian)(bian)压(ya)(ya)器(qi)(qi)的(de)工(gong)频耐(nai)受电(dian)(dian)压(ya)(ya)要(yao)求(qiu)为(wei)28kV(有(you)效值)，而相同电(dian)(dian)压(ya)(ya)等(deng)(deng)级(ji)(ji)(ji)有(you)载(zai)(zai)(zai)(zai)(zai)分(fen)接(jie)开(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)的(de)工(gong)频耐(nai)受电(dian)(dian)压(ya)(ya)要(yao)求(qiu)却为(wei)35kV或38kV③调压(ya)(ya)方式(shi)(shi)(shi)和调压(ya)(ya)级(ji)(ji)(ji)数(shu)调压(ya)(ya)方式(shi)(shi)(shi)为(wei)线(xian)(xian)性(xing)调，调压(ya)(ya)级(ji)(ji)(ji)数(shu)8级(ji)(ji)(ji)。

电(dian)(dian)(dian)(dian)力(li)(li)(li)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)力(li)(li)(li)网(wang)(wang)中(zhong)的(de)(de)主(zhu)要(yao)电(dian)(dian)(dian)(dian)气设备。它(ta)可以分(fen)(fen)(fen)为发(fa)电(dian)(dian)(dian)(dian)机(ji)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)、输(shu)电(dian)(dian)(dian)(dian)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)、联络(luo)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)和配电(dian)(dian)(dian)(dian)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)四(si)大类。发(fa)电(dian)(dian)(dian)(dian)机(ji)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)把(ba)发(fa)电(dian)(dian)(dian)(dian)机(ji)发(fa)出的(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)升高(gao)，以便远距离输(shu)送(song)电(dian)(dian)(dian)(dian)能(neng)，从而减少电(dian)(dian)(dian)(dian)能(neng)输(shu)送(song)的(de)(de)损耗；输(shu)电(dian)(dian)(dian)(dian)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)把(ba)传(chuan)输(shu)来的(de)(de)高(gao)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)能(neng)降到合适的(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)或由联络(luo)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)与(yu)其它(ta)电(dian)(dian)(dian)(dian)网(wang)(wang)相连(lian)；联络(luo)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)把(ba)两个或三个网(wang)(wang)络(luo)连(lian)结(jie)起来，使其间可以有潮流(liu)往(wang)来和能(neng)量交(jiao)换的(de)(de)。这(zhei)类变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)包括自耦变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)与(yu)三圈(quan)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)；配电(dian)(dian)(dian)(dian)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)把(ba)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)降到电(dian)(dian)(dian)(dian)气设备工(gong)作电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)，即将电(dian)(dian)(dian)(dian)能(neng)直接送(song)给用(yong)(yong)户(hu)；电(dian)(dian)(dian)(dian)力(li)(li)(li)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)调(diao)(diao)节(jie)通常主(zhu)要(yao)是(shi)(shi)(shi)(shi)调(diao)(diao)节(jie)一(yi)次绕组的(de)(de)匝数(shu)来适应电(dian)(dian)(dian)(dian)网(wang)(wang)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)波(bo)动，以维持二次电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)恒(heng)定。这(zhei)种调(diao)(diao)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)方式(shi)的(de)(de)特点是(shi)(shi)(shi)(shi)恒(heng)磁(ci)通调(diao)(diao)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)，即调(diao)(diao)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)时变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)铁心磁(ci)通是(shi)(shi)(shi)(shi)恒(heng)定不变(bian)(bian)(bian)(bian)的(de)(de)。电(dian)(dian)(dian)(dian)力(li)(li)(li)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)选用(yong)(yong)分(fen)(fen)(fen)接开关时，应遵循下(xia)述(shu)三个选用(yong)(yong)原(yuan)(yuan)(yuan)则(ze)：⑴适应电(dian)(dian)(dian)(dian)力(li)(li)(li)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)调(diao)(diao)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)方式(shi)特点的(de)(de)选用(yong)(yong)原(yuan)(yuan)(yuan)则(ze)；⑵恰好满足(zu)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)运行和试验(yan)条(tiao)件(jian)的(de)(de)选用(yong)(yong)原(yuan)(yuan)(yuan)则(ze)；⑶满足(zu)分(fen)(fen)(fen)接开关性(xing)能(neng)参数(shu)的(de)(de)选用(yong)(yong)原(yuan)(yuan)(yuan)则(ze)；电(dian)(dian)(dian)(dian)力(li)(li)(li)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)设计者只有按上(shang)述(shu)选用(yong)(yong)原(yuan)(yuan)(yuan)则(ze)来选择有载分(fen)(fen)(fen)接开关或无励磁(ci)分(fen)(fen)(fen)接开关，才会获得比(bi)较好的(de)(de)技术(shu)和经济效果。一(yi)般没有必(bi)要(yao)考虑留有一(yi)定的(de)(de)保险裕度。干(gan)式(shi)变(bian)(bian)(bian)(bian)压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)稳压(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)什么？

分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关应用于线圈设备的(de)分(fen)接(jie)(jie)(jie)(jie)变(bian)(bian)换(huan)与连(lian)接(jie)(jie)(jie)(jie)。其中(zhong)分(fen)为(wei)无(wu)励磁(ci)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关和有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关。无(wu)励磁(ci)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关是(shi)开(kai)(kai)(kai)关的(de)一(yi)(yi)种，适(shi)用于额定电(dian)压(ya)(ya)10KV，额定电(dian)流63A或125A以(yi)下(xia)三相油浸变(bian)(bian)压(ya)(ya)器(qi)，在(zai)无(wu)励磁(ci)条件下(xia)，通过改变(bian)(bian)变(bian)(bian)压(ya)(ya)器(qi)一(yi)(yi)次线圈匝(za)数(shu)以(yi)达到(dao)调整二(er)次电(dian)压(ya)(ya)的(de)目的(de)。分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关在(zai)油介(jie)质中(zhong)温(wen)度(du)比(bi)较(jiao)低－25℃，比(bi)较(jiao)高100℃。有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关，是(shi)一(yi)(yi)种能(neng)在(zai)励磁(ci)状态(tai)下(xia)变(bian)(bian)换(huan)分(fen)接(jie)(jie)(jie)(jie)位置的(de)电(dian)器(qi)装置。有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关调压(ya)(ya)的(de)基本原理，就是(shi)在(zai)变(bian)(bian)压(ya)(ya)器(qi)绕组中(zhong)引(yin)出若干分(fen)接(jie)(jie)(jie)(jie)头(tou)(tou)后，通过它在(zai)不中(zhong)断负载(zai)(zai)(zai)电(dian)流的(de)情况下(xia)，由(you)一(yi)(yi)个(ge)分(fen)接(jie)(jie)(jie)(jie)头(tou)(tou)切(qie)换(huan)到(dao)另(ling)一(yi)(yi)个(ge)分(fen)接(jie)(jie)(jie)(jie)头(tou)(tou)，来改变(bian)(bian)有(you)(you)(you)效匝(za)数(shu)，即改变(bian)(bian)变(bian)(bian)压(ya)(ya)器(qi)的(de)电(dian)压(ya)(ya)比(bi)，从而实(shi)现(xian)调压(ya)(ya)的(de)目的(de)。因此，有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关在(zai)操作(zuo)过程(cheng)(cheng)中(zhong)，一(yi)(yi)要(yao)保证负载(zai)(zai)(zai)电(dian)流的(de)连(lian)续性；二(er)要(yao)在(zai)切(qie)换(huan)分(fen)接(jie)(jie)(jie)(jie)的(de)动作(zuo)中(zhong)具有(you)(you)(you)良好的(de)断弧性能(neng)。有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关在(zai)变(bian)(bian)换(huan)分(fen)接(jie)(jie)(jie)(jie)头(tou)(tou)过程(cheng)(cheng)中(zhong)，必须利(li)用电(dian)阻实(shi)现(xian)过渡(du)，以(yi)限制(zhi)其过渡(du)时(shi)的(de)环流。通常采(cai)用的(de)是(shi)电(dian)阻式组合型(xing)有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关。实(shi)际(ji)工作(zuo)中(zhong)，电(dian)阻限流有(you)(you)(you)载(zai)(zai)(zai)分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关的(de)结构可分(fen)为(wei)3个(ge)部(bu)分(fen)，即切(qie)换(huan)开(kai)(kai)(kai)关、选(xuan)择(ze)开(kai)(kai)(kai)关、操作(zuo)结构。这些中(zhong)的(de)哪一(yi)(yi)部(bu)分(fen)出现(xian)问(wen)题(ti)都(dou)会直接(jie)(jie)(jie)(jie)影响变(bian)(bian)压(ya)(ya)器(qi)的(de)正常运(yun)行(xing)。它可以(yi)在(zai)运(yun)行(xing)状态(tai)下(xia)切(qie)换(huan)电(dian)路(lu)，实(shi)现(xian)电(dian)力系统的(de)分(fen)段控制(zhi)。组合式分(fen)接(jie)(jie)(jie)(jie)开(kai)(kai)(kai)关如何选(xuan)

分接(jie)开关(guan)控制(zhi)器型号有哪(na)些厂家？真空分接(jie)开关(guan)制(zhi)造(zao)

有载分接(jie)(jie)开(kai)(kai)(kai)关(guan)(guan)(guan)在(zai)运行中出(chu)现的(de)(de)(de)(de)问题(ti)，问题(ti)一(yi)：切换(huan)开(kai)(kai)(kai)关(guan)(guan)(guan)内触(chu)头(tou)(tou)发热频繁的(de)(de)(de)(de)调压(ya)，会(hui)使触(chu)头(tou)(tou)之(zhi)(zhi)间(jian)(jian)(jian)(jian)的(de)(de)(de)(de)机械磨损、电(dian)(dian)(dian)(dian)腐(fu)蚀和(he)(he)触(chu)头(tou)(tou)污染(ran)严重，尤其(qi)是(shi)负(fu)荷电(dian)(dian)(dian)(dian)流较(jiao)大(da)的(de)(de)(de)(de)变压(ya)器，电(dian)(dian)(dian)(dian)流的(de)(de)(de)(de)热效应(ying)会(hui)使弹(dan)簧的(de)(de)(de)(de)弹(dan)性(xing)变弱，动、静触(chu)头(tou)(tou)之(zhi)(zhi)间(jian)(jian)(jian)(jian)的(de)(de)(de)(de)接(jie)(jie)触(chu)压(ya)力降低，接(jie)(jie)触(chu)电(dian)(dian)(dian)(dian)阻增大(da)，又使触(chu)头(tou)(tou)之(zhi)(zhi)间(jian)(jian)(jian)(jian)的(de)(de)(de)(de)发热量增大(da)。发热加速了触(chu)头(tou)(tou)表面的(de)(de)(de)(de)氧化(hua)腐(fu)蚀和(he)(he)机械变形，并(bing)形成恶性(xing)循环，从而(er)(er)导致(zhi)切换(huan)开(kai)(kai)(kai)关(guan)(guan)(guan)损坏；防(fang)范措施：在(zai)检修(xiu)(xiu)投运前要分别测试开(kai)(kai)(kai)关(guan)(guan)(guan)各分接(jie)(jie)位置的(de)(de)(de)(de)直流电(dian)(dian)(dian)(dian)阻，吊罩检修(xiu)(xiu)时(shi)应(ying)测量触(chu)头(tou)(tou)的(de)(de)(de)(de)接(jie)(jie)触(chu)电(dian)(dian)(dian)(dian)阻，检查(cha)触(chu)头(tou)(tou)镀层和(he)(he)接(jie)(jie)触(chu)是(shi)否良(liang)好(hao)。每年结合(he)检修(xiu)(xiu)或(huo)试验对分接(jie)(jie)开(kai)(kai)(kai)关(guan)(guan)(guan)各档位置多转动几次，除去氧化(hua)膜(mo)或(huo)油污的(de)(de)(de)(de)影响，使其(qi)接(jie)(jie)触(chu)良(liang)好(hao)。问题(ti)二：过(guo)渡(du)(du)电(dian)(dian)(dian)(dian)阻断(duan)(duan)开(kai)(kai)(kai)和(he)(he)松动过(guo)渡(du)(du)电(dian)(dian)(dian)(dian)阻断(duan)(duan)开(kai)(kai)(kai)和(he)(he)松动，会(hui)造(zao)成整台变压(ya)器烧毁(hui)。如(ru)果过(guo)渡(du)(du)电(dian)(dian)(dian)(dian)阻在(zai)已烧断(duan)(duan)的(de)(de)(de)(de)情况下带负(fu)荷切换(huan)，不但会(hui)使负(fu)载电(dian)(dian)(dian)(dian)流间(jian)(jian)(jian)(jian)断(duan)(duan)，而(er)(er)且会(hui)在(zai)过(guo)渡(du)(du)电(dian)(dian)(dian)(dian)阻的(de)(de)(de)(de)断(duan)(duan)口上以及(ji)动静触(chu)头(tou)(tou)断(duan)(duan)开(kai)(kai)(kai)口间(jian)(jian)(jian)(jian)出(chu)现全(quan)部相电(dian)(dian)(dian)(dian)压(ya)。该电(dian)(dian)(dian)(dian)压(ya)不仅会(hui)击穿电(dian)(dian)(dian)(dian)阻的(de)(de)(de)(de)断(duan)(duan)口，也会(hui)在(zai)动静触(chu)头(tou)(tou)断(duan)(duan)开(kai)(kai)(kai)时(shi)产生强大(da)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)弧，从而(er)(er)导致(zhi)变换(huan)的(de)(de)(de)(de)两分接(jie)(jie)头(tou)(tou)间(jian)(jian)(jian)(jian)短路(lu)，造(zao)成高压(ya)绕组分接(jie)(jie)线段短路(lu)烧毁(hui)。防(fang)范措施加强过(guo)渡(du)(du)电(dian)(dian)(dian)(dian)阻的(de)(de)(de)(de)检查(cha)。真(zhen)空分接(jie)(jie)开(kai)(kai)(kai)关(guan)(guan)(guan)制造(zao)

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