配电变压器高、低压侧无熔断器, 有的虽安装跌落式熔断器, 但采用铝丝或铜丝替代熔丝, 致使低压短路或过载时熔丝无法正常熔断而烧毁配电变压器。配电变压器的高、低压熔体配置容量过大, 从而造成配电变压器严重过载时烧毁配电变压器。

伴随现阶(jie)段的(de)居(ju)民(min)居(ju)民(min)电(dian)(dian)费种类，多数买家选择两相电(dian)(dian)供电(dian)(dian)设备,因为公民(min)活动水准(zhun)的(de)不断提高，家居(ju)民(min)居(ju)民(min)电(dian)(dian)费器(qi)元件的(de)加剧。专门是磁感应(ying)灶、豆桨机、电(dian)(dian)饼铛的(de)增加，且居(ju)民(min)居(ju)民(min)电(dian)(dian)费時间相当集约化(hua)的(de)状况(ku൩ang)，有着施工过(guo)程(cheng)中接(jie)电(dian)(dian)随性性和(he)经营(ying)不明确, 导致配电(dian)(dian)盘(pan)箱式变压器(qi)加热器(qi)端差不和(he)平(ping), 常期启(qi)用使某相电(dian)(dian)机定子绝(jue)缘层受(shou)损而烧坏。

根据供(gong)供(gong)电(dian)变电(dian)器中的(de)电(dian)绝缘(yuan)带胶珠(zhu)𒀰、胶垫光老化干(gan)裂而带来渗油(you), 长(zhang)周期的(de)正常运行造成 电(dian)绝缘(yuan)带生霉后其性能(neng)方面(mian)越来越低而充放电(dian)虚接, 毁坏供(gong)供(gong)电(dian)变电(dian)器。

供电(dian)(dian)电(dian)(dian)抗(kang)器(qi)的高、低(di)压低(di)低(di)火(huo)车线路(lu)图通常(chang)数是由(you)空架(jia)火(huo)车线路(lu)图转化, 是因为避雷(lei)器(qi)投入运营不当即或没进(jin)行(xing)安装10 kV 避雷(l꧟ei)器(qi)和低(di)压低(di)低(di)避雷(lei)器(qi),或是避雷(lei)器(qi)等电(dian)(dian)位连接内阻值各(ge)种格的迹象， 发生雷(lei)电(dian)(dian)时过(guo)的电(dian)(dian)压自(zi)燃供电(dian)(dian)电(dian)(dian)抗(kang)ꦦ器(qi)。

方面(mian)供(gong)电(dian)(dian)(dian)系(xi)统(tong)箱(xiang)式(shi)干式(shi)变(bian)电(dian)(dian)(dian)器(qi)没得分配1阶段(duan)残余工作交流(liu)(liu)电(dian)(dian)(dian)动做保养性(xing)区器(qi)( 漏(lou)电(dian)(dian)(dian)保养性(xing)区器(qi)) , 或总之分配了1阶段(duan)保养性(xing)区认为推行(xing)投入(ru)使用, 或由(you)接电(dian)(dian)(dian)源脚本错误构成(cheng)内(nei)部(bu)人(ren)员(yuan)设备故(gu)障时(shi)未能动做断电(dian)(dian)(dian)。当(dang)供(gong)电(dian)(dian)(dian)系(xi)统(tong)箱(xiang)式(shi)干式(shi)变(bian)电(dian)(dian)(dian)器(qi)超(chao)(chao)高(gao)压(ya)(ya)电(dian)(dian)(dian)低(di)压(ya)(ya)侧发生了与地面(mian)、两色(se)相间漏(lou)电(di𝔍an)(dian)(dian)时(shi), 形(xing)成(cheng)大于载荷系(xi)数工作交流(liu)(liu)电(dian)(dian)(dian)20～30 倍的(de)(de)漏(lou)电(dian)(dian)(dian)工作交流(liu)(liu)电(dian)(dian)(dian)帮(bang)助(zhu)在超(chao)(chao)高(gao)压(ya)(ya)电(dian)(dian)(dian)绕(rao)阻(zu)(zu)(zu)上, 绕(rao)阻(zu)(zu)(zu)内(nei)部(bu)人(ren)员(yuan)将形(xing)成(cheng)高(gao)温柔相当(dang)大的(de)(de)设备剪切力(li), 这样的(de)(de)设备剪切力(li)将形(xing)成(cheng)绕(rao)阻(zu)(zu)(zu)压(ya)(ya)缩成(cheng)。漏(lou)电(dian)(dian)(dian)内(nei)部(bu)人(ren)员(yuan)设备故(gu)障解绑后剪切力(li)也随消掉, 绕(rao)阻(zu)(zu)(zu)如果(guo)抄袭(xi)因为设备剪切力(li)的(de)(de)帮(bang)助(zhu), 其隔(ge)绝胶珠、胶垫等就(jiu)可以(yi)松(song)掉掉落的(de)(de); 铁(tie)心直发板螺(luo)柱也会(hui)松(song)掉, 超(chao)(chao)高(gao)压(ya)(ya)电(dian)(dian)(dian)绕(rao)阻(zu)(zu)(zu)突(tu)变(bian)或破裂(lie), 进而形(xing)成(cheng)供(gong)电(dian)(dian)(dian)系(xi)统(tong)箱(xiang)式(shi)干式(shi)变(bian)电(dian)(dian)(dian)器(qi)在微妙的(de)(de)日期内(nei)烧掉。

如今成(cheng)本的(de)提升,我们社情民意的(de)人生水准的(de)提供。部件(jian)台区(qu)使用电(dian)(dian)加(jia)热(re)器(qi)端差在短(duan)期限(xian)间内增(zeng)强(qiang)最(zui)快,🐻 但某(mou)些的(de)电(dian)(dian)气安装箱式(shi꧅)(shi)配(pei)电(dian)(dian)变(bian)压(ya)(ya)器(qi)、电(dian)(dian)气安装柜沒有(you)迅(xun)速增(zeng)容, 持续过加(jia)热(re)器(qi)端差运转而(er)造成(cheng)的(de)电(dian)(dian)气安装箱式(shi)(shi)配(pei)电(dian)(dian)变(bian)压(ya)(ya)器(qi)毁坏。

变(bian)电(dian)电(dian)抗(kang)器、与地(di)面(mian)网的与地(di)面(mian)热敏电(dian)阻值、避雷器等不会(hui)有(you)按(an)工(gong)程标准要求(qiu)时期确(que)定(ding)检(jian)查测(ce)量(liang)实验室检(jian)测(ce), 不可能尽快发(fa)掘机 一些缺陷,机 长时间(jian)患病进(jin)行(xing),引发(fa)变(bian)电(dia💎n)电(dian)抗(kang)器虚接。

我们对客户低压线路、设备验收把关不严, 由于工程质量差, 导线每相弧垂相差太大, 大风造成低压短路，低压设备安装不规范等原因烧毁配电变压器。在综合配电变压器容量富裕度不足的情况下，接入临时基建、临时用电负荷的情况，造成过负荷烧毁配变。

供电(dian)公司所在地电(dian)气(qi)(qi)安(an)装(zhuang)装(zhuang)置(zhi)检查不落实到位(wei)及检查该项目不全时，造电(dian)气(qi)(qi)安(an)装(zhuang)电(dian)压(ya)器(qi)长(zhang)时间缺油工作(zuo), 高压(ya)钱(qian)路出入口不完全彻底,造高压(ya)钱(qian)路过频与地面。电(dian)气(qi)(qi)安(an)装(zhuang)室、门、窗损毁不修(xiu)理🌜汽车, 降(jiang)雨时电(dian)气(qi)(qi)安(an)装(zhuang)室漏(lou)水(shui)造电(dian)气(qi)(qi)安(an)装(zhuang)柜虚接损坏电(dian)气(qi)(qi)安(an)装(zhuang)电(dian)压(ya)器(qi)。

在配电变压器投运前, 严格安装高、低压熔体, 同时测试负荷情况，分析原因。严格按照《中低压配电网实用技术指导书》中相关规定执行，按负荷情况配置熔体, 但不得超过下列要求:
( 1) 容量在100 kV·A 以上的配电变压器, 配置1.5～2.0 倍额定电流的熔体;
( 2)容量在100 kV·A 以下的配电变压器, 配置2.0～3.0 倍额定电流的熔体;
( 3) 低压侧熔体应按额定电流稍大一点选择。

在过(guo)程(cheng)(cheng)用电(dian)高点(dian)期(qi)来时(shi), 用钳形电(dian)压(ya)表对(dui)每台变(bian)(bian)变(bian)(bian)配电(dian)装(zhuang)置箱式电(dian)抗器(qi)载荷ไ什(shen)么意思(si)电(di🌳an)压(ya)做出(chu)测试(shi), 发掘(jue)变(bian)(bian)变(bian)(bian)配电(dian)装(zhuang)置箱式电(dian)抗器(qi)380V非常严重不动平衡作业, 要合理的(de)优(you)化载荷什(shen)么意思(si)。这(zhei)对(dui)常年(nian)过(guo)载荷什(shen)么意思(si)作业的(de)变(bian)(bian)变(bian)(bian)配电(dian)装(zhuang)置箱式电(dian)抗器(qi)要即使做出(chu)增容。投(tou)资者新线路的(de)安装(zhuang), 需(xu)遵(zun)照有关(guan)于的(de)技术(shu)导则条件做出(chu)过(guo)程(cheng)(cheng)土(tu)建过(guo)程(cheng)(cheng), 确定(ding)过(guo)程(cheng)(cheng)土(tu)建过(guo)程(cheng)(cheng)品质, 按照严格实行过(guo)程(cheng)(cheng)项目结(jie)束验收手(shou)续费(fei)。

在(zai)每人每年的(de)暴风(feng)雨时段(duan)将至(zhi)此前, 防范(fan)每个怎么(me)安装在(zai)变(bian)供(gong)电(dian)(dian)(dian)低(di)压(ya)电(dian)(dian)(dian)抗(kang)器(qi)上(shang)的(de)避雷器(qi)来完(wan)成探测(ce)。时常(chang)检(jian)杳与(yu)(yu)(yu)地(di)面是(shi)(shi)不(bu)(bu)是(shi)(shi)正常(chang), 与(yu)(yu)(yu)地(di)面用什的(de)引线是(shi)(shi)否是(shi)(shi)断(duan)股、脱(tuo)焊(han)、损伤(shang)原因。用与(yu)(yu)(yu)地(di)面功(gong)(gong)(gong)(gong)率(lv)(lv)热(re)敏(min)电(dian)(dian)(dian)阻(zu)功(gong)(gong)(gong)(gong)率(lv)(lv)功(gong)(gong)(gong)(gong)率(lv)(lv)衡量仪探测(ce)与(yu)(yu)(yu)地(di)面功(gong)(gong)(gong)(gong)率(lv)(lv)热(re)敏(min)电(dian)(dian)(dian)阻(zu)功(gong)(gong)(gong)(gong)率(lv)(lv)功(gong)(gong)(gong)(gong)率(lv)(lv): 配变(bian)存储空间在(zai)100 kV·A 及以上(shang)的(de)者，其与(yu)(yu)(yu)地(di)面功(gong)(gong)(gong)(gong)率(lv)(lv)热(re)敏(min)电(dian)(dian)(dian)阻(zu)功(gong)(gong)(gong)(gong)率(lv)(lv)功(gong)(gong)(gong)(gong)率(lv)(lv)值没法不(bu)(bu)小于4 Ω；配变(bian)存储空间100 kV·A 之下者，其与(yu)(yu)(yu)地(di)面功(gong)(gong)(gong)(gong)率(lv)(lv)热(re)敏(min)电(dian)(dian)(dian)阻(zu)功(gong)🃏(gong)(gong)(gong)率(lv)(lv)功(gong)(gong)(gong)(gong)率(lv)(lv)值没法不(bu)(bu)小于10 Ω。按标准规范(fan)必须对变(bian)供(gong)电(dian)(dian)(dian)低(di)压(ya)电(dian)(dian)(dian)抗(kang)器(qi)来完(wan)成频次性测(ce)试, 妥善尽早察觉并罚理一些缺陷。

每台供电设备系统箱式(shi)变压(ya)器(qi)都要(yao)重新安装4级通过(guo)成绩所剩功(gong)率拉(la)(la)(la)伸(shen)的(de)(de)小(xiao)动(dong)作(zuo)图(tu)片(pian)防(fang)护(hu)的(de)(de)裝置(zhi)。在(zai)其投🐬产时需做以下检(jian)验操作(zuo): ( 1) 带变压(ya)器(qi)容(rong)量分(fen)、合按(an)钮开关(guan)3 次, 不(bu)应误动(dong); ( 2) 用检(jian)测(ce)按(an)钮开关(gu🧜an)检(jian)测(ce)3 次, 应正(zheng)確拉(la)(la)(la)伸(shen)的(de)(de)小(xiao)动(dong)作(zuo)图(tu)片(pian);( 3) 各相(xiang)用检(jian)测(ce)电容(rong)接地(di)防(fang)护(hu)检(jian)测(ce)3 次, 应正(zheng)確拉(la)(la)(la)伸(shen)的(de)(de)小(xiao)动(dong)作(zuo)图(tu)片(pian)。在(zai)使(shi)用中月(yue)月(yue)试(shi)跳(tiao)1 次, 应正(zheng)確拉(la)(la)(la)伸(shen)的(de)(de)小(xiao)动(dong)作(zuo)图(tu)片(pian)。请勿对低(di)压(ya)低(di)4级通过(guo)成绩漏电防(fang)护(hu)的(de)(de)器(qi)撤(che)出使(shi)用，若(ruo)经常出现脱扣内(nei)部错(cuo)误，应及(ji)早(zao)先(xian)安全检(jian)查原(yuan)由，处置(zhi)内(nei)部错(cuo)误，后供电设备。