内蒙快3

新黎明科创控股有限内蒙快3详情

工地用一级防爆配电箱重复接地操作(配图)

发布时间:2019-03-25 14:03:00 查看次数:

工地用一级防爆配电箱配电系统介绍:


1、GONGDIYONGYIJIFANGBAOPEIDIANXIANGDEPEIDIANXITONGFENWEITN-C-S,TN-S;


内蒙快32、TN-C-SXITONGSONGCHUDESHIPENXIAN,DAOYONGHUQIANXUXIANZHONGFUJIEDI,ZAIFENWEINHEPE,NXIANBUYUNXUZAIJIEDI,PEXIANKEYIZAIJIEDI;


内蒙快33、TN-S,TUIJIANDEZUOFASHIZONGJIEDIXIANGLIANJIEDAOJIEDIWANGSHANG,ZAIYOUZONGJIEDIXIANGDAODIANQIJUDEPEMUXIAN,ZAIYOUPEMUXIANYIDIANJIEDAONMUXIAN,NMUXIANZAIYUBIANYAQIZHONGXINGDIANLIANJIE;


内蒙快34、CHUCIYIWAI,NXIANBUYINGZAIYUPEXIANLIANJIE,JIBUYUNXUZAIJIEDI;


5、PEXIANKEYIDUODIANJIEDI,DUOYIDIANHAO。


防爆配电箱接地线截面相关参数.jpg


根据上图,可以对工地用一级防爆配电箱做如下解释:


一、先认识下图纸上的相关符号:


1、KW(QIANWA)DEFUHAOJIUSHIZHIYOUGONGGONGLVP;


2、KVA(QIANFUAN)DEFUHAOSHIZHIJIUSHISHIZAIGONGLVS;


内蒙快33、HAIYOUKvar(QIANFA)DEFUHAOSHIZHIWUGONGGONGLVQ;


4、SHIZAIGONGLVBAOHANLEWUGONGGONGLVHEYOUGONGGONGLV;


内蒙快35、CONGSHANGKEZHI:ZHIYOUWUGONGGONGLVWEILINGSHI(CHUNDIANZUFUZAI),SCAIDENGYUP,TONGCHANGLIANGZHEYAOHUANSUANSHIBUKEYIDE,YINWEIZHEISHI2GEBUTONGDEWULILIANG;


二、工地用一级防爆配电箱重复接地要用到的计算:


1、ZAIDANXIANG:

 

内蒙快3S=UI ,P=UI*COSφ,SHIZHONG:COSφ:GONGLVYINSHU;


2、ZAISANXIANG:

 

S=1.732UI ,P=1,732UI*COSφ,SHIZHONG P:YOUGONGGONGLV,U*I:SHIZAIGONGLV,COSφ:GONGLVYINSHU;


DANGDUICHENGSANXIANGDIANLUZHONG:P=1.732*UICOSφ;

  

ZAISANXIANGBUDUICHENGDIANLUZHONG:PZONG=Pa+Pb+Pc;


3、JUGELI:


内蒙快3ZAIXUANZEBIANYAQIRONGLIANGDESHIHOU,CHULEDIANDONGJIRONGLIANGWAIHAIYINGKAOLVDIANJIDEGONGLVYINSHU,RUGONGLVYINSHUWEI0.9,NAMEBIANYAQIDERONGLIANGJIUYAODAYUDIANDONGJIRONGLIANGBAIFENZHISHI,HAIYINGZENGJIAYIXIEANQUANRONGLIANGJIUXING。


ZHU:


JUTIXUYAOKANNIDEFUSHEFANGSHIYIJIFUSHEHUANJINGLAIQUEDINGDE,XIANGXIDEKEYIQUKAN05D1 P89YEYIHOUDEXIANGGUANSHUJU。


您可能感兴趣的:


防爆配电箱重复接地线截面的相关问题


防爆配电箱常用红外线测温仪进行非接触测温


防爆配电箱接地的正确方法及必要性


防爆配电箱外壳接地与输出端接头接地并联时的注意事项


如何正确测量防爆配电箱内零线对地线的绝缘电阻值?



热线电话:
0577-27772858

在线客服1

在线留言

在线客服