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 - 企业新闻
北京快三走势图News Show

企业新闻

电缆的故障检测和查找方法有哪些?

北京快三走势图     DUIYUZHIJIEDUANLUHUODIANLANDUANKAIGUZHANG,KEYIZHIJIEYONGWANYONGBIAOCELIANGHEPANDUAN;DUIYUFEIZHIJIEDUANLUDIANLANGUZHANGHEJIEDIDIANLANGUZHANG,KEYIYONGZHAOOUBIAOCELIANGXINZHIJIANHUOXINYUDIZHIJIANDEJUEYUANDIANZU,YIJIDIANLANGUZHANGKEGENJUQIDIANZUZHIPANDUAN。XIAMIANHENANHUADONGDIANLANCHANGWEIDAJIAFENXIANGXIADIANLANGUZHANGJIANCEDEFANGFA。

    零电位法

北京快三走势图     LINGDIANWEIFAYECHENGWEIDIANWEIBIJIAOFA。SHIYONGYUDUANDIANLANXINDUIDIGUZHANG。GAIFANGFAJIANDAN、ZHUNQUE,BUXUYAOJINGMIYIQIHEFUZADEJISUAN。CELIANGYUANLIRUXIA:DANGDIANLANGUZHANGXINXIANYUDENGZHANGBIJIAOXIANPINGXINGSHI,DANGB、CLIANGDUANSHIJIADIANYAveSHI,DIANYUANZAILIANGGENPINGXINGJUNYUNDIANZUXIANDELIANGDUANLIANJIE。CISHI,YIGENDIANZUSISHANGRENYIDIANYULINGYIGENDIANZUSISHANGXIANGYINGDIANZHIJIANDEDIANWEICHABIXUWEILING,FOUZE,DIANWEICHAJIANGWEILING。LIANGGELINGDIANBIRANSHIDUIYINGDEDIAN。YOUYUWEIDIANYABIAODEFUJIJIEDI,YUDIANLANGUZHANGDIANDENGDIANWEI,DANGBIJIAODAOTISHANGWEIDIANYABIAODEZHENGJIYIDAOLINGSHI,YUDIANLANGUZHANGDIANDENGDIANWEI,JIDIANLANGUZHANGDIANDEDUIYINGDIANT.SSHIDANXIANGKAIGUAN,ESHI6EDIANCHIHUOSIGE1HAOGANDIANCHI,GSHIZHILIUWEIDIANYABIAO。CELIANGBUZHOURUXIA:

北京快三走势图     1)SHOUXIANJIANGXUDIANCHIELIANJIEDAOB、CXIANGXIANXINSHANG,RANHOUZAIDISHANGFUSHEYIGENXIANGDANGYUGUZHANGDIANLANZHANGDUDEBIJIAODAOXIANS。DAOXIANYINGCAIYONGHENGJIEMIANXIANGDENGDELUOTONGHUOLVDAOXIAN,WUZHONGJIANJIETOU。

北京快三走势图     2)JIANGWEIDIANYABIAODEFUJIJIEDI,YONGJIAOZHANGDERUANDIANXIANLIANJIEZHENGJI。ZAIYIPUSHEDEBIJIAODAOXIANSHANGHUADONGSHI,DAOXIANDELINGYIDUANXUYAOWANQUANJIECHU。

    3)HESHANGKAIGUANS,JIANGRUANXIANDUANBUHUADAOBIJIAOXIANSHANG。DANGWEIDIANYABIAOXIANSHIWEILINGSHI,DIANLANGUZHANGDIANDEWEIZHIJIWEIWEIZHI。

    高压电桥法

    GAOYADIANQIAOFASHIYONGSHUANGBEIDIANQIAOCELIANGDIANLANXINDEZHILIUDIANZU,RANHOUZHUNQUECELIANGDIANLANDESHIJIZHANGDU,GENJUDIANLANZHANGDUYUDIANZUDEBILIGUANXI,JISUANDIANLANGUZHANGDIAN。DUIYUZHIJIEDUANLUHUODUANLUDIANJIECHUDIANZUXIAOYU1DEGUZHANG,PANDUANWUCHAYIBANXIAOYU3m,DUIYUJIECHUDIANZUDAYU1DEGUZHANG,KECAIYONGZENGJIADIANYASHAOHUIDEFANGFAJIANGDIANZUJIANXIAODAOXIAOYU1,RANHOUZAIJINXINGMEA。YONGZHEIZHONGFANGFACEDING。ZAICELIANGDIANLUSHI,SHOUXIANCELIANGXINXIANAHEXINXIANBZHIJIANDEDIANZUR 1,R 1=2Rx+R,QIZHONGRxSHICONGAXIANGHUOBXIANGDAODIANLANGUZHANGDIANDEDANXIANGDIANZUZHI,JINYONGYUDUANCHUDIANDEJIECHUDIANZU。RANHOUJIANGDIANQIAOYIDAODIANLANDELINGYIDUAN,CELIANGA1HEB1XINZHIJIANDEZHILIUDIANZUZHIr2。ZEr2=2r(l-x)r,r(l-x)SHICONGA1XIANGHUOB1XIANGXIANXINDAODIANLANGUZHANGDIANDEDANXIANGDIANZUZHI。CELIANGWANR1HER2HOU,GENJUTU3SUOSHIDEDIANLUDUIB1HEC1DUANLU,CELIANGBHECXINZHIJIANDEZHILIUDIANZU,ZEZUZHIDE1/2WEIGEXIANGXINDEDIANZUZHI,YONGr lBIAOSHI,rl=r x r(l-x),QIZHONGKEYIDEDAOGUZHANGDIAN:R=R1 r2-2rlBIAO,YINCIKEYISHIYONGGUZHANGDIANLIANGCEDEXINXIANDIANZUZHI。YIXIABIAODASHIWEI:r x=(r1-r)/2,r(l-x)=(r2-r)/2。ZAIQUEDINGRx、R(L-x)HERlSANGEZHIHOU,KEGENJUBILIGONGSHIJISUANDIANLANDUANBUDEJULIxHUO(L-x):x=(Rx/Rl)l,(L-x)=(R(L-2)。KEYIZAIDIANLANMODUANCELIANGMEIGEXIANGXINDEDIANRONGDIANLIUia1、ib2HEic3,YIJIANCHAWANZHENGXINDEDIANRONGYUDUANXINDEBILV。BUJINFAKEYIPANDUANZHEXIANJULIDEJINSIDIAN。

    3)GENJUGONGSHIc=i/(2_-fu),DANGZHENGDIANYAuHEPINLVfBUBIANSHI,cYUiCHENGZHENGBI,YOUYUGONGPINDIANYAf(PINLV)BUBIAN,ZHIYAOSHIJIADIANYABUBIAN,DIANRONGDIANLIUBIJIWEIDIANRONGBI。d.RUGUODIANLANQUANZHANGWEIl,XINXIANDUANDIANZHIJIANDEJULIWEIx,ZEia/ic=l/xHEx=(ic/ia)l。ZAICELIANGGUOCHENGZHONG,ZHIYAODIANYAHENGDING,DIANLIUBIAODUSHUZHUNQUE,DIANLANZONGZHANGDUCELIANGZHUNQUE,ZECELIANGJIEGUOWEICELIANGWUCHAXIANGDUIJIAOXIAO。

    声学方法

    SUOWEIDESHENGYINCELIANGFANGFASHIJIYUGUZHANGDIANLANFACHUDESHENGYIN。GAIFANGFADUIGAOYADIANLANXINJUEYUANCENGDESHANLUOFANGDIANGENGWEIYOUXIAO。BENFANGFASUOYONGSHEBEIWEIZHILIUNAIYASHIYANJI。TBSHIGAOYASHIYANBIANYAQI,CSHIGAOYADIANRONGQI,VESHIGAOYAZHENGLIUGUIDUI,RSHIXIANLIUDIANZU,QSHIFANGDIANQIUJIANXI,LSHIDIANLANXIN。DANGDIANRONGQICCHONGDIANDAOYIDINGDIANYAZHISHI,DIANLANGUZHANGXINSHANGDEQIUXIFANGDIAN,DIANLANGUZHANGXINSHANGDEJUEYUANCENGFANGDIAN,CHANSHENG“ZIBU”HUOHUAFANGDIANSHENG。DUIYUMINGFUDIANLAN,KETONGGUOTINGJUEZHIJIEZHAODAO。RUGUOSHIZHIMAIDIANLAN,DIYIBUSHIQUEDINGHEBIAOJIDIANLANFANGXIANG。SOUSUOSHI,JIANGJIANSHIQIKAOJINDIMIANBINGYANDIANLANHUANMANYIDONG。DANG“ZI、ZI”FANGDIANDEZAOSHENGZUIDASHI,DIANLANDEGUZHANGDIANJIUZAINEILI。SHIYONGZHEIZHONGFANGFASHI,BIXUZHUYIANQUAN。SHIYANSHEBEIHEDIANLANMODUANYINGSHEZHIZHUANMENDEJIANSHIZHUANGZHI。

分享到:
点击次数:  更新时间:2019-09-24  【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
邮编:450000 电话:13937197302
华东电缆联系方式
 
QQ在线咨询
产品咨询热线
139-3719-7302
7*24咨询热线
139-3719-7302