北京快三走势图

当前位置:网站北京快三走势图 - 北京快三走势图 - 行业新闻
北京快三走势图News Show

行业新闻

铜带屏蔽结构高压电缆截面计算方法

    JINSHUPINGBIBUDANQIDAOJINGDIANPINGBIDEZUOYONG,HAIQIDAOLEDAOTONGGUZHANGDIANLIUDEZUOYONG。YINCIWULUNZAIDIANLANDEXUANXINGHEDIANLANDEZHIZAOHUANJIEDOUYINGZHUYIJINSHUPINGBIDEJIEMIANMANZUDUANLUDIANLIURONGLIANG。

    TONGDAIPINGBIDEJIEGOUGUIDINGDEJIAOWEIJUTI,RUTONGDAIDEHOUDU、ZHONGDIELVDENGJUTIGONGYICANSHU。TONGDAIDEJIEMIANDEKUANDUYIBANWEI30mm,HUOZHE35mm,GENJUDIANLANDEJUEYUANWAIJINGERDING。TONGDAIDEJIEMIANJISUANFANGFAGENJUYOUGUANWENXIANYOULIANGZHONG:DI1ZHONGANZHAOIEC949-88:

    S=N·W·δ

    SHIZHONG:S—TONGDAIJIEMIAN mm2

    N—TONGDAICENGSHU

    W—TONGDAIKUANDU mm

    δ—TONGDAIHOUDU mm

    ANZHEIZHONGFANGFAJISUAN,DANXINDIANLANDETONGDAIJIEMIANWEI:

    1*30*0.12=3.6mm2

    HUO1*35*0.12=4.2mm2,

    SANXINDIANLANDETONGDAIJIEMIANWEI:

    3*30*0.10=9.0mm2

    HUO3*35*0.10=10.5mm2

    ERQIETONGDAIDEPINGBIJIEMIANYUDAGAILVWUGUAN,YUJUEYUANWAIJINGWUGUAN,YUTONGDAIKUANDUYOUGUAN,YUSHIJIQINGKUANGBUFUHE。

    DI2ZHONGANZHAOHUANXINGJIEMIANJISUAN:

    S=π·(D+N·δ)·N·δ/(1-K)

    SHIZHONG:S—TONGDAIJIEMIAN mm2

    D—PINGBIQIANWAIJING mm

    N—TONGDAICENGSHU

    δ—TONGDAIHOUDU mm

    K—ZHONGDIELV

    YONGZHEIZHONGJISUANFANGFAKEYIZHIDAO,TONGDAIDEPINGBIJIEMIANYUDAGAILVYOUGUAN,YUJUEYUANWAIJINGYOUGUAN,YUTONGDAIKUANDUWUGUAN,YUSHIJIQINGKUANGJIAOWEIFUHE。KAOLVDAOTONGDAIBIAOMIANDEYANGHUADAOZHIJIECHUBULIANG,TONGDAIZHIJIANDEHANJIEJIETOUDENGYINSU,YISHANGJISUANZHICHENGYIYIGEANQUANXISHULAIJISUANCHENGSHOUDEDUANLUDIANLIUJIAOWEITUODANG。

分享到:
点击次数:  更新时间:2019-06-24  【打印此页】  【关闭
地址:郑州市金水区玉凤路福元路南浦国际金融中心13楼
华东电缆联系方式
 
产品咨询热线
139-3719-7302
7*24咨询热线
139-3719-7302