矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)
(?) (?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)((?)Mineral Insulated Cable)(?)简(Jian)称(Cheng)MI电(Dian)缆(Lan),(?)作(Zuo)为(Wei)配(Pei)线(Xian)使(Shi)用(Yong)时(Shi),(?)国(Guo)内(Nei)习(Xi)惯(Guan)称(Cheng)作(Zuo)矿(Kuang)物(Wu)质(Zhi)电(Dian)缆(Lan)或(Huo)矿(Kuang)物(Wu)防(Fang)火(Huo)电(Dian)缆(Lan)。(?)2015年(Nian)5月(Yue)1日(Ri)实(Shi)施(Shi)的(De)由(You)中(Zhong)华(Hua)人(Ren)民(Min)共(Gong)和(He)国(Guo)住(Zhu)房(Fang)和(He)城(Cheng)乡(Xiang)建(Jian)设(She)部(Bu)及(Ji)中(Zhong)华(Hua)人(Ren)民(Min)共(Gong)和(He)国(Guo)国(Guo)家(Jia)质(Zhi)量(Liang)监(Jian)督(Du)检(Jian)验(Yan)检(Jian)疫(Yi)总(Zong)局(Ju)联(Lian)合(He)发(Fa)布(Bu)的(De)国(Guo)家(Jia)标(Biao)准(Zhun)GB 50016-2014中(Zhong),(?)第(Di)377页(Ye)中(Zhong)明(Ming)确(Que)规(Gui)定(Ding)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)类(Lei)不(Bu)燃(Ran)性(Xing)电(Dian)缆(Lan)由(You)铜(Tong)芯(Xin)、(?)矿(Kuang)物(Wu)质(Zhi)绝(Jue)缘(Yuan)材(Cai)料(Liao)、(?)铜(Tong)等(Deng)金(Jin)属(Shu)护(Hu)套(Tao)组(Zu)成(Cheng),(?)除(Chu)具(Ju)有(You)良(Liang)好(Hao)的(De)导(Dao)电(Dian)性(Xing)能(Neng)、(?)机(Ji)械(Xie)物(Wu)理(Li)性(Xing)能(Neng)、(?)耐(Nai)火(Huo)性(Xing)能(Neng)外(Wai),(?)还(Huan)具(Ju)有(You)良(Liang)好(Hao)的(De)不(Bu)燃(Ran)性(Xing),(?)这(Zhe)种(Zhong)电(Dian)缆(Lan)在(Zai)火(Huo)灾(Zai)情(Qing)况(Kuang)下(Xia)不(Bu)仅(Jin)能(Neng)够(Gou)保(Bao)证(Zheng)火(Huo)灾(Zai)延(Yan)续(Xu)时(Shi)间(Jian)内(Nei)的(De)消(Xiao)防(Fang)供(Gong)电(Dian),(?)还(Huan)不(Bu)会(Hui)延(Yan)燃(Ran)、(?)不(Bu)产(Chan)生(Sheng)有(You)毒(Du)烟(Yan)雾(Wu)。(?)目(Mu)前(Qian)国(Guo)内(Nei)检(Jian)测(Ce)矿(Kuang)物(Wu)电(Dian)缆(Lan)的(De)依(Yi)据(Ju)主(Zhu)要(Yao)有(You)BS6387《(?)在(Zai)火(Huo)焰(Yan)条(Tiao)件(Jian)下(Xia)电(Dian)缆(Lan)保(Bao)持(Chi)线(Xian)路(Lu)完(Wan)整(Zheng)性(Xing)的(De)耐(Nai)火(Huo)试(Shi)验(Yan)方(Fang)法(Fa)》(?)中(Zhong)C((?)单(Dan)纯(Chun)燃(Ran)烧(Shao))(?)、(?)W((?)喷(Pen)淋(Lin))(?)、(?)Z项(Xiang)((?)撞(Zhuang)击(Ji))(?)实(Shi)验(Yan)。(?)目(Mu)前(Qian)按(An)结(Jie)构(Gou)可(Ke)以(Yi)分(Fen)为(Wei)刚(Gang)性(Xing)和(He)柔(Rou)性(Xing)两(Liang)种(Zhong)。(?)
(?) (?)1、(?)耐(Nai)火(Huo)
(?) (?)在(Zai)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)中(Zhong)应(Ying)用(Yong)的(De)二(?)种(Zhong)材(Cai)料(Liao)铜(Tong)和(He)矿(Kuang)物(Wu)质(Zhi)绝(Jue)缘(Yuan)是(Shi)无(Wu)机(Ji)物(Wu)。(?)此(Ci)种(Zhong)电(Dian)缆(Lan)不(Bu)会(Hui)燃(Ran)烧(Shao),(?)也(Ye)不(Bu)会(Hui)助(Zhu)燃(Ran),(?)在(Zai)接(Jie)近(Jin)火(Huo)焰(Yan)的(De)条(Tiao)件(Jian)下(Xia)仍(Reng)可(Ke)继(Ji)续(Xu)操(Cao)作(Zuo)。(?)铜(Tong)护(Hu)套(Tao)在(Zai)1083℃(?)下(Xia)熔(Rong)融(Rong)。(?)
(?) (?)2、(?)操(Cao)作(Zuo)温(Wen)度(Du)高(Gao)
(?) (?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)可(Ke)耐(Nai)连(Lian)续(Xu)操(Cao)作(Zuo)温(Wen)度(Du)高(Gao)达(Da)250℃(?)。(?)并(Bing)且(Qie),(?)在(Zai)紧(Jin)急(Ji)情(Qing)况(Kuang)下(Xia),(?)电(Dian)缆(Lan)可(Ke)在(Zai)接(Jie)近(Jin)铜(Tong)护(Hu)套(Tao)熔(Rong)点(Dian)的(De)温(Wen)度(Du)下(Xia),(?)在(Zai)短(Duan)时(Shi)间(Jian)内(Nei)继(Ji)续(Xu)操(Cao)作(Zuo)。(?)
(?) (?)3、(?)寿(Shou)命(Ming)长(Chang)
(?) (?)在(Zai)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)中(Zhong)应(Ying)用(Yong)的(De)无(Wu)机(Ji)材(Cai)料(Liao),(?)可(Ke)保(Bao)证(Zheng)电(Dian)缆(Lan)具(Ju)有(You)稳(Wen)定(Ding)性(Xing)、(?)寿(Shou)命(Ming)长(Chang)和(He)耐(Nai)火(Huo)性(Xing)。(?)
(?) (?)4、(?)防(Fang)爆(Bao)性(Xing)
(?) (?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)中(Zhong)高(Gao)度(Du)压(Ya)实(Shi)的(De)绝(Jue)缘(Yuan)材(Cai)料(Liao),(?)可(Ke)阻(Zu)止(Zhi)蒸(Zheng)汽(Qi)、(?)气(Qi)体(Ti)和(He)火(Huo)焰(Yan)在(Zai)与(Yu)电(Dian)缆(Lan)连(Lian)接(Jie)的(De)设(She)备(Bei)零(Ling)件(Jian)之(Zhi)间(Jian)通(Tong)过(Guo)。(?)
(?) (?)5、(?)外(Wai)径(Jing)小(Xiao)
(?) (?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)的(De)直(Zhi)径(Jing)比(Bi)其(Qi)他(Ta)额(E)定(Ding)电(Dian)流(Liu)相(Xiang)同(Tong)的(De)电(Dian)缆(Lan)要(Yao)小(Xiao)。(?)
(?) (?)6、(?)防(Fang)水(Shui)
(?) (?)如(Ru)果(Guo)将(Jiang)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)完(Wan)全(Quan)浸(Jin)在(Zai)水(Shui)中(Zhong),(?)借(Jie)助(Zhu)其(Qi)无(Wu)缝(Feng)金(Jin)属(Shu)护(Hu)套(Tao),(?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)可(Ke)继(Ji)续(Xu)操(Cao)作(Zuo)。(?)
(?) (?)7、(?)机(Ji)械(Xie)强(Qiang)度(Du)高(Gao)
(?) (?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)坚(Jian)固(Gu)耐(Nai)用(Yong),(?)可(Ke)经(Jing)受(Shou)剧(Ju)烈(Lie)的(De)机(Ji)械(Xie)破(Po)坏(Huai),(?)而(?)不(Bu)会(Hui)损(Sun)害(Hai)其(Qi)电(Dian)性(Xing)能(Neng)。(?)
(?) (?)8、(?)载(Zai)流(Liu)量(Liang)大(Da)
(?) (?)对(Dui)同(Tong)相(Xiang)同(Tong)截(Jie)面(Mian)的(De)电(Dian)缆(Lan)而(?)言(Yan),(?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)比(Bi)其(Qi)他(Ta)类(Lei)型(Xing)的(De)电(Dian)缆(Lan)传(Chuan)输(Shu)较(Jiao)高(Gao)的(De)电(Dian)流(Liu)。(?)同(Tong)时(Shi),(?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)还(Huan)可(Ke)耐(Nai)受(Shou)相(Xiang)当(Dang)的(De)过(Guo)载(Zai)。(?)
(?) (?)9、(?)短(Duan)路(Lu)故(Gu)障(Zhang)额(E)定(Ding)值(Zhi)
(?) (?)在(Zai)相(Xiang)同(Tong)温(Wen)度(Du)下(Xia),(?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)的(De)短(Duan)路(Lu)故(Gu)障(Zhang)额(E)定(Ding)值(Zhi)明(Ming)显(Xian)地(Di)比(Bi)其(Qi)他(Ta)类(Lei)型(Xing)的(De)电(Dian)缆(Lan)要(Yao)高(Gao)。(?)
(?) (?)10、(?)接(Jie)地(Di)
(?) (?)对(Dui)于(Yu)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)来(Lai)说(Shuo),(?)独(Du)立(Li)的(De)接(Jie)地(Di)导(Dao)线(Xian)是(Shi)不(Bu)需(Xu)要(Yao)的(De),(?)因(Yin)为(Wei)此(Ci)电(Dian)缆(Lan)所(Suo)用(Yong)的(De)铜(Tong)护(Hu)套(Tao)已(Yi)起(Qi)到(Dao)接(Jie)地(Di)导(Dao)线(Xian)的(De)作(Zuo)用(Yong),(?)可(Ke)提(Ti)供(Gong)好(Hao)的(De)低(Di)接(Jie)地(Di)电(Dian)阻(Zu)。(?)就(Jiu)接(Jie)地(Di)护(Hu)皮(Pi)回(Hui)路(Lu)((?)ESR)(?)布(Bu)线(Xian)而(?)言(Yan),(?)在(Zai)MEN((?)多(Duo)接(Jie)地(Di)中(Zhong)性(Xing))(?)系(Xi)统(Tong)中(Zhong),(?)外(Wai)层(Ceng)铜(Tong)护(Hu)套(Tao)可(Ke)用(Yong)作(Zuo)接(Jie)地(Di)和(He)中(Zhong)性(Xing)导(Dao)体(Ti)。(?)
(?) (?)11、(?)耐(Nai)腐(Fu)蚀(Shi)性(Xing)高(Gao)
(?) (?)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)的(De)铜(Tong)护(Hu)套(Tao)具(Ju)有(You)高(Gao)耐(Nai)腐(Fu)蚀(Shi)性(Xing),(?)对(Dui)于(Yu)大(Da)多(Duo)数(Shu)的(De)装(Zhuang)置(Zhi)来(Lai)说(Shuo),(?)它(Ta)不(Bu)需(Xu)要(Yao)采(Cai)取(Qu)附(Fu)加(Jia)的(De)防(Fang)护(Hu)措(Cuo)施(Shi)。(?)在(Zai)电(Dian)缆(Lan)的(De)铜(Tong)护(Hu)套(Tao)易(Yi)遭(Zao)受(Shou)化(Hua)学(Xue)品(Pin)腐(Fu)蚀(Shi)或(Huo)工(Gong)业(Ye)染(Ran)污(Wu)严(Yan)重(Zhong)的(De)地(Di)方(Fang),(?)应(Ying)使(Shi)用(Yong)包(Bao)有(You)塑(Su)料(Liao)外(Wai)护(Hu)套(Tao)保(Bao)护(Hu)矿(Kuang)物(Wu)绝(Jue)缘(Yuan)电(Dian)缆(Lan)。(?)