高(Gao)压(Ya)电(Dian)缆(Lan)安(An)装(Zhuang)注(Zhu)意(Yi)事(Shi)项(Xiang)有(You)哪(Na)些(Xie)?(?)
(?) (?)在(Zai)6kV或(Huo)10kV电(Dian)气(Qi)设(She)备(Bei)安(An)装(Zhuang)中(Zhong),(?)会(Hui)碰(Peng)到(Dao)需(Xu)要(Yao)单(Dan)芯(Xin)短(Duan)电(Dian)缆(Lan)作(Zuo)连(Lian)接(Jie)线(Xian)这(Zhe)样(Yang)的(De)情(Qing)况(Kuang)。(?)电(Dian)工(Gong)在(Zai)工(Gong)程(Cheng)安(An)装(Zhuang)中(Zhong),(?)有(You)时(Shi)会(Hui)用(Yong)到(Dao)三(San)芯(Xin)高(Gao)压(Ya)电(Dian)缆(Lan),(?)把(Ba)外(Wai)皮(Pi)剥(Bao)去(Qu),(?)再(Zai)剥(Bao)去(Qu)钢(Gang)包(Bao)铠(Kai)装(Zhuang),(?)取(Qu)三(San)根(Gen)芯(Xin)线(Xian)作(Zuo)单(Dan)芯(Xin)电(Dian)缆(Lan)使(Shi)用(Yong)。(?)即(Ji)使(Shi)单(Dan)芯(Xin)电(Dian)缆(Lan)绝(Jue)缘(Yuan)电(Dian)阻(Zu)符(Fu)合(He)要(Yao)求(Qiu),(?)若(Ruo)安(An)装(Zhuang)线(Xian)芯(Xin)离(Li)外(Wai)金(Jin)属(Shu)构(Gou)件(Jian)很(Hen)近(Jin),(?)也(Ye)会(Hui)出(Chu)现(Xian)结(Jie)构(Gou)件(Jian)放(Fang)电(Dian)现(Xian)象(Xiang),(?)在(Zai)春(Chun)季(Ji)潮(Chao)湿(Shi)的(De)天(Tian)气(Qi)情(Qing)况(Kuang)更(Geng)明(Ming)显(Xian)。(?)
(?) (?)从(Cong)电(Dian)磁(Ci)场(Chang)理(Li)论(Lun)我(Wo)们(Men)可(Ke)以(Yi)看(Kan)出(Chu):
(?) (?)三(San)芯(Xin)电(Dian)缆(Lan)分(Fen)布(Bu)电(Dian)容(Rong)三(San)相(Xiang)平(Ping)衡(Heng),(?)被(Bei)接(Jie)地(Di)屏(Ping)蔽(Bi)层(Ceng)包(Bao)围(Wei),(?)不(Bu)存(Cun)在(Zai)外(Wai)电(Dian)场(Chang),(?)只(Zhi)存(Cun)在(Zai)内(Nei)电(Dian)场(Chang),(?)能(Neng)量(Liang)传(Chuan)递(Di)只(Zhi)能(Neng)在(Zai)内(Nei)部(Bu)进(Jin)行(Xing),(?)不(Bu)会(Hui)外(Wai)泄(Xie)。(?)
(?) (?)无(Wu)屏(Ping)蔽(Bi)高(Gao)压(Ya)绝(Jue)缘(Yuan)电(Dian)线(Xian)分(Fen)布(Bu)电(Dian)容(Rong)比(Bi)较(Jiao)复(Fu)杂(Za),(?)但(Dan)离(Li)导(Dao)线(Xian)最(Zui)近(Jin)的(De)接(Jie)地(Di)体(Ti)的(De)电(Dian)容(Rong)最(Zui)大(Da),(?)最(Zui)易(Yi)产(Chan)生(Sheng)放(Fang)电(Dian)。(?) 所(Suo)以(Yi)一(Yi)般(Ban)情(Qing)况(Kuang)下(Xia),(?)单(Dan)芯(Xin)电(Dian)缆(Lan)中(Zhong)都(Du)会(Hui)有(You)内(Nei)外(Wai)半(Ban)岛(Dao)屏(Ping)蔽(Bi)层(Ceng),(?)以(Yi)保(Bao)证(Zheng)电(Dian)缆(Lan)在(Zai)使(Shi)用(Yong)中(Zhong)的(De)安(An)全(Quan)。(?)
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