电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)怎(Zen)样(Yang)选(Xuan)型(Xing)?(?)
(?) (?)10kV电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)的(De)选(Xuan)型(Xing)
(?) (?)(1) 热(Re)缩(Suo)材(Cai)料(Liao)为(Wei)主(Zhu)材(Cai)的(De)空(Kong)气(Qi)绝(Jue)缘(Yuan)型(Xing),(?)该(Gai)产(Chan)品(Pin)为(Wei)早(Zao)期(Qi)产(Chan)品(Pin),(?)已(Yi)属(Shu)淘(Tao)汰(Tai)之(Zhi)列(Lie)。(?)
(?) (?)(2) 橡(Xiang)塑(Su)外(Wai)套(Tao)为(Wei)主(Zhu)材(Cai)作(Zuo)为(Wei)防(Fang)护(Hu)型(Xing)的(De)电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)。(?)在(Zai)长(Chang)期(Qi)运(Yun)行(Xing)中(Zhong)易(Yi)发(Fa)生(Sheng)内(Nei)界(Jie)面(Mian)分(Fen)离(Li)及(Ji)外(Wai)露(Lu)端(Duan)头(Tou)龟(Gui)裂(Lie),(?)使(Shi)绝(Jue)缘(Yuan)和(He)密(Mi)封(Feng)受(Shou)损(Sun),(?)因(Yin)此(Ci)该(Gai)产(Chan)品(Pin)的(De)发(Fa)展(Zhan)受(Shou)到(Dao)限(Xian)制(Zhi)。(?)
(?) (?)(3) 三(San)元(Yuan)乙(Yi)丙(Bing)橡(Xiang)胶(Jiao)( EPDM)为(Wei)主(Zhu)材(Cai)的(De) 电(Dian)缆(Lan)接(Jie)头(Tou)密(Mi)封(Feng)型(Xing)电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)。(?)其(Qi)材(Cai)质(Zhi)偏(Pian)硬(Ying),(?)而(?)EPDM为(Wei)可(Ke)燃(Ran)性(Xing)材(Cai)料(Liao),(?)易(Yi)发(Fa)生(Sheng)爬(Pa)电(Dian)或(Huo)起(Qi)弧(Hu)容(Rong)易(Yi)燃(Ran)烧(Shao),(?)同(Tong)时(Shi),(?)防(Fang)潮(Chao)防(Fang)水(Shui)及(Ji)抗(Kang)老(Lao)化(Hua)的(De)性(Xing)能(Neng)也(Ye)较(Jiao)弱(Ruo),(?)达(Da)不(Bu)到(Dao)长(Chang)期(Qi)运(Yun)行(Xing)免(Mian)维(Wei)护(Hu)的(De)要(Yao)求(Qiu)。(?)EPDM为(Wei)有(You)毒(Du)物(Wu)质(Zhi),(?)对(Dui)环(Huan)保(Bao)也(Ye)存(Cun)在(Zai)不(Bu)利(Li)因(Yin)素(Su)。(?)
(?) (?)(4)带(Dai)电(Dian)可(Ke)拔(Ba)插(Cha)式(Shi)电(Dian)缆(Lan)接(Jie)头(Tou)型(Xing)电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)。(?)我(Wo)国(Guo)的(De)供(Gong)电(Dian)系(Xi)统(Tong)为(Wei) 三(San)相(Xiang)变(Bian)压(Ya)器(Qi)供(Gong)电(Dian),(?)在(Zai)拔(Ba)插(Cha)时(Shi)不(Bu)可(Ke)能(Neng)做(Zuo)到(Dao)同(Tong)时(Shi)带(Dai)电(Dian)拔(Ba)插(Cha),(?)这(Zhe)样(Yang)拔(Ba)插(Cha)将(Jiang)会(Hui)造(Zao)成(Cheng) 中(Zhong)性(Xing)点(Dian)严(Yan)重(Zhong)偏(Pian)移(Yi),(?)短(Duan)时(Shi)间(Jian)内(Nei)形(Xing)成(Cheng)两(Liang)相(Xiang)供(Gong)电(Dian),(?)严(Yan)重(Zhong)造(Zao)成(Cheng)大(Da)面(Mian)积(Ji)停(Ting)电(Dian)事(Shi)故(Gu),(?)对(Dui)供(Gong)电(Dian)及(Ji)设(She)备(Bei)带(Dai)来(Lai)不(Bu)必(Bi)要(Yao)的(De)经(Jing)济(Ji)损(Sun)失(Shi)。(?)
(?) (?)(5) 硅(Gui)橡(Xiang)胶(Jiao)为(Wei)主(Zhu)材(Cai)电(Dian)缆(Lan)接(Jie)头(Tou)防(Fang)洪(Hong)型(Xing)电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)。(?)其(Qi)材(Cai)质(Zhi)柔(Rou)软(Ruan),(?)具(Ju)有(You)高(Gao)弹(Dan)性(Xing)、(?)高(Gao)密(Mi)度(Du)、(?)全(Quan)绝(Jue)缘(Yuan),(?)材(Cai)料(Liao)密(Mi)封(Feng)性(Xing)能(Neng)良(Liang)好(Hao)、(?)达(Da)到(Dao)防(Fang)潮(Chao)、(?)防(Fang)水(Shui)、(?)抗(Kang)老(Lao)化(Hua)、(?)抗(Kang)阻(Zu)燃(Ran)、(?)耐(Nai)电(Dian)晕(Yun)和(He)长(Chang)期(Qi)运(Yun)行(Xing)免(Mian)维(Wei)护(Hu)等(Deng)优(You)点(Dian)。(?)因(Yin)为(Wei)硅(Gui)橡(Xiang)胶(Jiao)与(Yu)电(Dian)缆(Lan)采(Cai)取(Qu)过(Guo)盈(Ying)配(Pei)合(He),(?)径(Jing)向(Xiang)收(Shou)缩(Suo)均(Jun)匀(Yun)度(Du)高(Gao),(?)不(Bu)会(Hui)因(Yin) 热(Re)胀(Zhang)冷(Leng)缩(Suo)使(Shi)内(Nei)界(Jie)面(Mian)分(Fen)离(Li)而(?)产(Chan)生(Sheng)内(Nei)爬(Pa)电(Dian)击(Ji)穿(Chuan),(?)同(Tong)时(Shi)对(Dui)电(Dian)缆(Lan)本(Ben)体(Ti)有(You)径(Jing)向(Xiang)的(De)持(Chi)久(Jiu)压(Ya)力(Li),(?)使(Shi)内(Nei)界(Jie)面(Mian)结(Jie)合(He)紧(Jin)密(Mi)可(Ke)靠(Kao)。(?)同(Tong)时(Shi) 硅(Gui)橡(Xiang)胶(Jiao)本(Ben)质(Zhi)是(Shi)无(Wu)毒(Du)材(Cai)料(Liao),(?)对(Dui)环(Huan)保(Bao)也(Ye)有(You)利(Li)。(?)
- 上(Shang)一(Yi)篇(Pian):(?)电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)的(De)电(Dian)气(Qi)构(Gou)成(Cheng)分(Fen)类(Lei)
- 下(Xia)一(Yi)篇(Pian):(?)变(Bian)电(Dian)站(Zhan)如(Ru)何(He)维(Wei)护(Hu)电(Dian)缆(Lan)分(Fen)支(Zhi)箱(Xiang)