辽宁11选5

新黎明科创控股有限辽宁11选5详情

消防电源监控系统电源线选择的方法

发布时间:2018-11-06 09:55:00 查看次数:

消防电源监控系统电源线选择方法:   

一、采用双绞线供电的条件及注意事项:

WULEIHUOWULEIYISHANGDEFEIPINGBISHUANGJIAOXIANZUOWEIJIANKONGSHEXIANGJIGONGDIANDIANYUANXIAN,KEYIJIANHUABUXIAN,DANSHINIYAOBAOZHENGCHUANGUOLAIDEDIANYUANFUHESHEBEIDEYAOQIU。RUSHEBEIGONGZUODIANYUANSHI10-12VDC,DIANLIUSHI500MA,SHUANGJIAOXIANNEIZUWEI10Ω/100MI(SHIJISHIYONGYAOCELIANG),RUOCHUANSONGDEDIANYUANSHI12VDC,KAOLVDAOJULIDIANYASHUAIJIAN,YAOBAOZHENGSHEBEIDESHIYONGZHENGCHANG,CHUANSONGDIANYUANZAI150MIYINEI。


二、独立RVV线供电的条件及注意事项:   

GENJUZHONGDUANSHEXIANGJIDEGONGLVDAXIAO,YIBANDEGUDINGQIANGJIGONGLVBUCHAOGUO10W,HONGWAIQIANGJIYIBANBUCHAOGUO20W,QIUJIYUEWEI35W。DANCHUNCONGGONGLVSHANGLAISHUO,RVV2*0.5DEXIANJIUZUGOULE,GUOBIAO0.5DEXIANKEYIDAIYUE1KWDEFUZAI。YUANJULI,KAOLVDAOSHUAIJIAN,JIANYICAIYONGBUXIAOYU1.0DEXIAN。

辽宁11选5RUGUOSHEXIANGJIDESHULIANGJIAOSHAO(5TAIYINEI)QIESHEXIANGJIYUJIANKONGZHUJIDEJIANGEJIAOJIN(SHAOYU50MI),MEITAISHEXIANGJIKEDUZIBURVV2×0.5DIANYUANXIANDAOJIANKONGSHIBINGYONGXIAOXINGBIANYAQIGONGDIAN。RUGUOSHEXIANGJIDESHULIANGJIAODUO,ZEYINGCAINADAGONGLVDE12VZHILIUWENYADIANYUANJIZHONGGONGDIAN。

ZAIGONGGUOCHENGZHONG,YAOKAOLVDAOXISHUSHEXIANGJIDEZONGGONGLVHEYOUCHUANSHUXIANLUSUOXINGCHENGDEDIANYAJIANG(CHENGSHUO“XIANSUN”,GUIGEWEI1m2DETONGDAOXIANMEI100mDEDIANZUSHI1.8Ω)。DUIYUYICHUANGLOUDEJIANKONG,SHIGONGSHIYIBANYONG2TIAO2.5-6m2DETONGXINSHUANGSUXIANZUOWEIDIANYUANZHUXIANYOUJIANKONGSHIYINZHIXIANJING,BINGYANXIANJINGZOUZHIGESHEXIANGJILOUCENGDEXIANJING。DUILOUCENGGESHEXIANGJIDEGONGDIAN,KEYOUGAICENGXIANJINGYIN1TIAORVV2×1HUORVV2×1.5(RUOGAICENGDESHEXIANGJISHULIANGCHAOYUE6TAI)DIANYUANXIANJISHEXIANGJIGONGDIAN,HUOYONGRVV2×0.5HUTAOXIANYIYIYINXIANDUIYINGGONGDIAN。 

DIANZUJISUANGONGSHI:R=p*L/s pWEIDIANZULVDANWEIWEIMIOUMU,LDANWEIMI,sDANWEIPINGFANGMI,GUIGEWEI1PINGFANGMIDETONGDAOXIANMEI100mDEDIANZUSHI1.75Ω,R=0.0175×100/1=1.75Ω


正压型防爆配电箱.jpg

正压型防爆配电箱


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本文来源:新黎明科创 http://cqsytkd.com/

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