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施工要用多大的电线电缆?北京朝阳电缆厂一篇文章教你怎么算

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施工要用多大的电线电缆?北京朝阳电缆厂一篇文章教你怎么算

发布日期:2019-07-14 作者:朝阳电缆 点击:

施工要用多大的电线电缆?北京朝阳电缆厂一篇文章教你怎么算


YI、DIANJIGONGLVYUPEIXIANZHIJINGJISUAN


SHOUXIANYAOJISUAN100KWFUHEDEXIANDIANLIU。


BEIJINGCHAOYANGDIANLANCHANGDUIYUSANXIANGPINGHENGDIANLUERYAN,SANXIANGDIANLUGONGLVDEJISUANGONGSHISHI:P=1.732IUcosφ。


YOUSANXIANGDIANLUGONGLVGONGSHIKETUICHU:

XIANDIANLIUGONGSHI:I=P/1.732Ucosφ


SHIZHONG:PWEIDIANLUGONGLV,UWEIXIANDIANYA,SANXIANGSHI380V,cosφSHIGANXINGFUZAIGONGLVYINSU,BEIJINGCHAOYANGDIANLANCHANGYIBANZONGHEQU0.8NIDE100KWFUZAIDEXIANDIANLIU:

彩票大赢家 I=P/1.732Ucosφ=100000/1.732*380*0.8=100000/526.53=190A


HAIYAOGENJUFUZAIDEXINGZHIHESHULIANGXIUZHENGDIANLIUZHI。


RUGUOFUZAIZHONGDADIANJIJIDUO,YOUYUDIANJIDEQIDONGDIANLIUHENDA,SHIGONGZUODIANLIUDE4DAO7BEI,SUOYIHAIYAOKAOLVDIANJIDEQIDONGDIANLIU,DANQIDONGDIANLIUDESHIJIANBUSHIHENZHANG,YIBANZAIXUANZEDAOXIANSHIZHIAN1.3DAO1.7DEXISHUKAOLV。


彩票大赢家RUOQU1.5,NEIMEDIANLIUJIUSHI285A。RUGUO60KWFUZAIZHONGSHULIANGDUO,DAJIABUSHITONGSHISHIYONG,BEIJINGCHAOYANGDIANLANCHANGKEYIQUSHIYONGXISHUWEI0.5DAO0.8,ZHEILIQU0.8,DIANLIUJIUWEI228A。JIUKEYIANZHEIGEDIANLIUXUANZEDAOXIAN、KONGKAI、JIECHUQI、REJIDIANQIDENGSHEBEI。SUOYIJISUANDIANLIUDEBUZHOUSHIBUNENGSHENGLVE。


DAOXIANXUANZE:

GENJUMOUDIANXIANCHANGJIADEDIANXIANYUNXUZAILIULIANGBIAO,XUANYONG50PINGFANGDETONGXINXIANGPIDIANXIAN,HUOZHEXUAN70PINGFANGDETONGXINSULIAODIANXIAN。


BIANYAQIXUANZE:

彩票大赢家BIANYAQIXUANZEYEYOUHENDUOTIAOJIAN,BEIJINGCHAOYANGDIANLANCHANGZHEILIJIUJIANDANDEYONGZONGRONGLIANGCHUYIGONGLVYINSUZAIQUZHENG。S=P/cosφ=100/0.8=125KVA

XUANZEDAYU125KVADEBIANYAQIJIUKEYILE。


彩票大赢家50PINGFANGDETONGXINDIANLANNENGCHENGSHOUDUOSHAODIANLIUYEYAOKANFUSHEFANGSHIHEHUANJINGWENDU,HAIYOUDIANLANDEJIEGOULEIXINGDENGYINSU。


彩票大赢家50PINGFANG10/35KVJIAOLIANJUYIXIJUEYUANDIANLANZHANGQIYUNXUZAILIULIANGKONGQIFUSHEZHANGQIYUNXUZAILIULIANG


彩票大赢家(10KVSANXINDIANLAN)231A(35KVDANXINDIANLAN)260AZHIMAIFUSHEZHANGQIYUNXUZAILIULIANG(TURANGREZUXISHU100°C.cm/W)(10KVSANXINDIANLAN)217A(35KVDANXINDIANLAN)213A


彩票大赢家ER、GENJUGONGLVPEIDIANLANDEJIANYIJISUAN


彩票大赢家YIZHIDIANJIDEEDINGGONGLVWEI22KW,EDINGDIANYAWEI380VBIANYAQIJUJINGCHANG400MI,BEIJINGCHAOYANGDIANLANCHANGSHIWENPEIHENJIEMIANJIDUODADEDIANLANXIAN?


(TONGDEDIANZULVΡQU0.0175)(YI)YOUEDINGRONGLIANGSUANCHUDIANJIZAIEDINGGONGLVXIADEEDINGDIANLIU


JIE:YOUP=S×COSφDES=P/COSφ=22/0.8=27.5KVAQIPWEIEDINGGONGLV,COSφWEIGONGLVYINSHU,ANDIANJIMINGPAIQU0.8


YOUS=I×USUANCHUZAIEDINGGONGLVXIADEEDINGDIANLIUI=S/U=27500/380=73AYOUJISUANKOUJUEDE


GUSUANKOUJUE:

ERDIANWUXIACHENGYIJIU,WANGSHANGJIANYISHUNHAOZOU。

SANSHIWUCHENGSANDIANWU,SHUANGSHUANGCHENGZUJIANDIANWU。

TIAOJIANYOUBIANJIAZHESUAN,GAOWENJIUZHETONGSHENGJI。

CHUANGUANGENSHUERSANSI,BAQILIUZHEMANZAILIU。


SHUOMING:

(1)BENJIEKOUJUEDUIGEZHONGJUEYUANXIAN(XIANGPIHESULIAOJUEYUANXIAN)DEZAILIULIANG(ANQUANDIANLIU)BUSHIZHIJIEZHICHU,BEIJINGCHAOYANGDIANLANCHANGERSHI"JIEMIANCHENGSHANGYIDINGDEBEISHU"LAIBIAOSHI,TONGGUOXINSUANERDE。


 BEISHUSUIJIEMIANDEZENGDAERJIANXIAO。


"ERDIANWUXIACHENGYIJIU,WANGSHANGJIANYISHUNHAOZOU"SHUODESHI2.5mm’JIYIXIADEGEZHONGJIEMIANLVXINJUEYUANXIAN,QIZAILIULIANGYUEWEIJIEMIANSHUDE9BEI。RU2.5mm’DAOXIAN,ZAILIULIANGWEI2.5×9=22.5(A)。CONG4mm’JIYISHANGDAOXIANDEZAILIULIANGHEJIEMIANSHUDEBEISHUGUANXISHISHUNZHEXIANHAOWANGSHANGPAI,BEISHUZHUCIJIANl,JI4×8、6×7、10×6、16×5、25×4。


"SANSHIWUCHENGSANDIANWU,SHUANGSHUANGCHENGZUJIANDIANWU",SHUODESHI35mm"DEDAOXIANZAILIULIANGWEIJIEMIANSHUDE3.5BEI,JI35×3.5=122.5(A)。CONG50mm’JIYISHANGDEDAOXIAN,QIZAILIULIANGYUJIEMIANSHUZHIJIANDEBEISHUGUANXIBIANWEILIANGGELIANGGEXIANHAOCHENGYIZU,BEISHUYICIJIAN0.5。JI50、70mm’


彩票大赢家DAOXIANDEZAILIULIANGWEIJIEMIANSHUDE3BEI;95、120mm"DAOXIANZAILIULIANGSHIQIJIEMIANJISHUDE2.5BEI,YICILEITUI。


 "TIAOJIANYOUBIANJIAZHESUAN,GAOWENJIUZHETONGSHENGJI"。


彩票大赢家SHANGSHUKOUJUESHILVXINJUEYUANXIAN、MINGFUZAIHUANJINGWENDU25℃DETIAOJIANXIAERDINGDE。


RUOLVXINJUEYUANXIANMINGFUZAIHUANJINGWENDUZHANGQIGAOYU25℃DEDIQU,DAOXIANZAILIULIANGKEANSHANGSHUKOUJUEJISUANFANGFASUANCHU,RANHOUZAIDAJIUZHEJIKE;


DANGSHIYONGDEBUSHILVXIANERSHITONGXINJUEYUANXIAN,TADEZAILIULIANGYAOBITONGGUIGELVXIANLVEDAYIXIE,BEIJINGCHAOYANGDIANLANCHANGKEANSHANGSHUKOUJUEFANGFASUANCHUBILVXIANJIADAYIGEXIANHAODEZAILIULIANG。


RU16mm’TONGXIANDEZAILIULIANG,KEAN25mm2LVXIANJISUAN16×5=80KEZHIXUANYONG16PINGFANGDEHESHI


ZAIYOUYUNXUYAJIANGSUANDAOXIANHENGJIEMIANJIDIANJIYUNXUZUIDIGONGZUODIANYAWEICI360V,BIANYAQIDEFUBIANDIANYAWEI380V,ZAIEDINGGONGLVXIAYUNXUDEZUIDAYAJIANGWEIWEI△UWEI20V,ZAIEDINGGONGLVXIAYUNXUDEDIANZUWEI


彩票大赢家RXIAN=△U/I=20/73=0.27Ω


彩票大赢家YOURXIAN=ΡL/S,SUANCHUDAOXIANHENGJIEMIANJI:S=ΡL/RXIAN

彩票大赢家=0.0175×400/0.27Ω=24.62mmPINGFANG

JIELUN:YINGXUAN25PINGFANGDETONGDIANLAN


彩票大赢家SAN、RUHEXUANYONGDUANLUQI,REJIDIANQI


彩票大赢家ZENMEGENJUDIANLIULAIXUANZEDUODAJIEMIANJIDEDIANLAN,WOMENXUANZEDEDIANLANWEITONGXINDIANLAN。


WOMENJULISHUOMING,WOMENYAOJIYITAI18.5KWDEDIANJIPEIXIAN,KEYISUANCHUTADEEDINGDIANLIUWEI37A,BEIJINGCHAOYANGDIANLANCHANGYESHIGENJUJINGYAN1PINGFANGHAOMITONGXIANKEYITONGGUO4~6ADEDIANLIU,WOMENQUQIZHONGJIANZHI5A,NEIMEDIANLANXIANDEJIEMIANJIYINGWEI37/5=6.4PINGFANGHAOMI。WOMENDEBIAOZHUNDIANLANYOU6PINGFANGHAOMIHEPINGGONG10PINGFANGHAOMIDE,WEILEBAOZHENGKEKAOXING,WOMENXUANZE10PINGFANGDEDIANLAN。QISHIJUTIXUANZEZHONGWOMENYEKENENGHUIXUANZE6PINGFANGDE,ZHEIYAOZONGHEKAOLV,FUZAIGONGZUOSHIXIAOHAODEGONGLVSHIDUODA,RUGUOZHIYOUEDINGDE60%BUDAODEHUA,KEYIZHEIYANGXUANZE,RUGUOJIBENSHANGYAOGONGZUOZAIEDINGGONGLVFUJIN,NEIZHINENGXUANZE10PINGFANGDEDIANLANLE。


彩票大赢家RUHEGENJUDIANJIDEGONGLV,KAOLVDIANJIDEEDINGDIANYA,DIANLIUPEIXIAN,XUANYONGDUANLUQI,REJIDIANQI


彩票大赢家SANXIANGERBAIERDIANJI,QIANWASANDIANWUANPEI。

彩票大赢家CHANGYONGSANBAIBADIANJI,YIGEQIANWALIANGANPEI。

DIYALIUBAILIUDIANJI,QIANWAYIDIANERANPEI。

彩票大赢家GAOYASANQIANFUDIANJI,SIGEQIANWAYIANPEI。

GAOYALIUQIANFUDIANJI,BAGEQIANWAYIANPEI。


 YITAISANXIANGDIANJI,CHUZHIDAOQIEDINGDIANYAYIWAI,HAIBIXUZHIDAOQIEDINGGONGLVJIEDINGDIANLIU,BIRU:YITAISANXIANGYIBUDIANJI,7.5KW,4JI(CHANGYONGYIBANYOU2、4、6JI,JISHUBUYIYANG,QIEDINGDIANLIUYEYOUQUBIE),QIEDINGDIANLUYUEWEI15A。


1、DUANLUQI:

YIBANXUANYONGQIEDINGDIANLIU1.5-2.5BEI,CHANGYONGDZ47-6032A


2、DIANXIAN:

GENJUDIANJIDEEDINGDIANLIU15A,XUANZEHESHIZAILIULIANGDEDIANXIAN,RUGUODIANJIPINFANQIDONG,XUANXIANGDUICUYIDIANDEXIAN,FANZHIKEYIXIANGDUIXIYIDIAN,ZAILIULIANGYOUXIANGGUANJISUANKOUJUE,ZHEILIWOMENXUANZE4PINGFANG。


3、JIAOLIUJIECHUQI:

GENJUDIANJIGONGLVXUANZEHESHIDAXIAOJIUXING,1.5-2.5BEI,YIBANQIXUANXINGSHOUCESHANGYOUXINGHAO,BEIJINGCHAOYANGDIANLANCHANGZHEILIWOMENXUANZEZHENGTAICJX2--2510,HAIDEZHUYIFUZHUCHUDIANDEPIPEI,BUYAODAOSHIHOUMAIHUILAIFUZHUCHUDIANBUGOUYONG。


4、REJIDIANQI

QIZHENGDINGDIANLIUDOUSHIKEYIDIAOZHENG,YIBANDIAOZHIDIANJIEDINGDIANLIU1-1.2BEI。

(1)DUOTAIDIANJIPEIDAOXIAN:BADIANJIDEZONGGONGLVXIANGJIACHENGYI2SHITAMENDEZONGDIANLIU。

(2)ZAIXIANLU50MIYINEIDAOXIANJIEMIANSHI:ZONGDIANLIUCHU4.(ZAISHIDANGFANGYIDIANYULIANG)

(3)XIANLUZHANGYUEGUO50MIWAIDAOXIANJIEMIAN:ZONGDIANLIUCHU3.(ZAISHIDANGFANGYIDIANTULIANG)

彩票大赢家(4)120PINGFANGYISHANGDEDADIANLANDEDIANLIUMIDUYAOGENGDIYIXIE


SI、XIAOJIE


DUANLUQIXUANZE:

彩票大赢家DIANJIDEEDINGDIANLIUCHENGYI2.5BEI,ZHENGDINGDIANLIUSHIDIANJIDE1.5BEIJIUKEYILE,BEIJINGCHAOYANGDIANLANCHANGZHEIYANGBAOZHENGPINFANQIDONG,YEBAOZHENGDUANLUDONGZUOLINGMIN。


彩票大赢家REJIDIANQIDEZHENGDINGZHISHIDIANJIEDINGDIANLIUSHI1.1BEI。


JIAOLIUJIECHUQI:

彩票大赢家JIAOLIUJIECHUQIXUANZESHIDIANJILIUDE2.5BEI。

彩票大赢家ZHEIYANGKEYIBAOZHENGZHANGQIPINFANGONGZUO


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