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北京朝阳电缆厂分享多大电源,用多大电线和电缆?如何计算?

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北京朝阳电缆厂分享多大电源,用多大电线和电缆?如何计算?

发布日期:2019-07-28 作者:朝阳电缆 点击:

北京朝阳电缆厂分享多大电源,用多大电线和电缆?如何计算?


YI、DIANJIGONGLVJIJIEXIANZHIJINGJISUAN

首先,北京朝阳电缆厂应计算100kw负载的线路电流。

DUIYUSANXIANGPINGHENGDIANLU,JISUANSANXIANGDIANLUGONGLVDEGONGSHIWEIp=1.732iucos_uuuux。

CONGSANXIANGDIANLUDEGONGLVGONGSHIKEYIDECHU:

XIANLUDIANLIUGONGSHI:I=P/1.732 Ucos Phi

SHIZHONG:PWEIDIANLUGONGLV,UWEIXIANLUDIANYA,SANXIANG380V,cos_WEIGANXINGFUZAIGONGLVYINSHU。YIBANQINGKUANGXIA,100kwFUZAIDEXIANLUDIANLIUWEI0.8:

I=P/1.732 ucos phi=100000/1.732*380*0.8=100000/526.53=190A

DIANLIUZHIYEHUIGENJUFUZAIDEXINGZHIHESHULIANGJINXINGXIUGAI。

如果负载中有很多大电机,北京朝阳电缆厂因为电机的启动电流很大,是工作电流的4到7倍,也应考虑电机的启动电流,但启动电流时间不太长。一般来说,选择导体时只考虑1.3到1.7的系数。

RUGUOQU1.5,DIANLIUWEI285A。RUGUOYOUDALIANG60kwFUZAI,WOMENKEYIQU0.5DAO0.8DESHIYONGXISHU,QIZHONG0.8,DIANLIUWEI228A。GENJUCIDIANLIU,WOMENKEYIXUANZEDIANXIAN、DUANLUQI、JIECHUQI、REJIDIANQIHEQITASHEBEI。YINCI,JISUANDIANLIUDEBUZHOUBUNENGHULVE。

DIANXIANXUANZE:

GENJUDIANXIANZHIZAOSHANGDEYUNXUDIANLIUBIAO,BEIJINGCHAOYANGDIANLANCHANGXUANZE50PINGFANGTONGXINXIANGJIAOXIANHUO70PINGFANGTONGXINSULIAOXIAN。

BIANYAQIXUANZE:

XUANZEBIANYAQIYOUXUDUOTIAOJIAN。ZAIZHEILI,WOMENJIANDANDIJIANGZONGRONGLIANGCHUYIGONGLVYINSHU。s=p/cos phi=100/0.8=125kVA

XUANZEDAYU125kVADEBIANYAQI。

50PINGFANGTONGXINDIANLANNENGCHENGSHOUDUOSHAODIANLIUQUJUEYUFUSHEFANGFAHEHUANJINGWENDU,YIJIDIANLANDEJIEGOULEIXINGHEQITAYINSU。

50PINGFANG10/35QIANFUJIAOLIANJUYIXIJUEYUANDIANLANZHANGQIYUNXUZAILIULIANGKONGQIFUSHEZHANGQIYUNXUZAILIULIANG

(10kVSANXINDIANLAN)231A(35kVDANXINDIANLAN)260AZHIMAIZHANGQIYUNXUCHENGZAILI(TURANGREZUXISHU100 c.cm/w)(10kVSANXINDIANLAN)217A(35kVDANXINDIANLAN)213A

2.DIERBU。PEIDIANDIANLANDEJIANDANJISUAN

JULEJIE,DIANDONGJIEDINGGONGLVWEI22kw,BEIJINGCHAOYANGDIANLANCHANGEDINGDIANYAWEI380V,BIANYAQIJUJINGCHANG400MI。DIANLANDEHENGJIEMIANJIYOUDUODA?

(TONGDIANZULV0.0175)(1)JISUANDIANJIZAIEDINGGONGLVHEEDINGRONGLIANGXIADEEDINGDIANLIU

JIEJUEFANGAN:P=S*cos phi,S=P/cos phi=22/0.8=27.5kVA,PWEIEDINGGONGLV,cos phiWEIGONGLVYINSHU,0.8WEIDIANJIPINPAI。

EDINGDIANLIUi=s/u=27500/380=73A,ANs=i*uDEEDINGGONGLVJISUAN,YOUJISUANGONGSHIDAOCHU。

GUSUANGONGSHI:

2DIAN5FENCHUYI9,ZAIJIA1。

SANSHIWUCHENGSANWU,SHUANGSHUANGZUJIANWU。

TIAOJIANBAOKUOKEBIANZHENGZHUANHUANHEGAOWENTONGSHENGJI。

CHUANTOUGENSHUWEI234GEN,876GENWEIQUANDIANLIU。

JIESHI:

(1)BEIJINGCHAOYANGDIANLANCHANGBENJIEGONGSHIBUZHIJIEBIAOSHIGEZHONGJUEYUANDIANXIAN(XIANGSUJUEYUANDIANXIAN)DEZAILIUNENGLI(ANQUANDIANLIU),ERSHIYONGJIEMIANCHENGYIYIDINGDESHUZIBIAOSHI,TONGGUOXINLIJISUANDECHU。

SUIZHEHENGJIEMIANDEZENGDA,FUHEXISHUJIANXIAO。

“ERWUCHENGJIU、YISHENGYIJIANG”SHIZHI2.5HAOMIJIYIXIADEGEZHONGJIEMIANLVXINJUEYUANDAOXIAN,QICHENGZAINENGLIYUEWEIJIEMIANSHUDEJIUBEI。DUIYU2.5HAOMIDAOXIAN,CHENGZAINENGLIWEI2.5*9=22.5(a)。CHENGZAINENGLIYU4mm’YISHANGDAOXIANJIEMIANSHUDECHENGFAQIGUANXIYANXIANHAOXIANGSHANGPAILIE,CHENGFAQIANLYIGEYIGEJIANSHAO,JI4*8、6*7、10*6、16*5、25*4。

“SANSHIWUCHENGSANDIANWU,SHUANGSHUANGZUJIANWU”SHIZHIDAOXIANCHENGZAINENGLIWEI35mm“SHIJIEMIANSHUDE3.5BEI,JI35×3.5=122.5(a)。CONG50 mmHUOYISHANGDEDAOXIAN,CHENGZAINENGLIHEJIEMIANHAOZHIJIANDECHENGSHUGUANXIBIANCHENGYIZULIANGGEXIANHAO,CHENGSHUYICIJIANSHAO0.5。50,70HAOMI

DAOXIANDECHENGZAINENGLISHIJIEMIANSHUDESANBEI;95 mmHE120 mmDAOXIANDECHENGZAINENGLISHIJIEMIANSHUDE2.5BEI,YICILEITUI。

“TIAOJIANZHUANHUANWEIBIANGENGJIA,GAOWENTONGSHENGJI10%ZHEKOU”。

SHANGSHUGONGSHISHIJIYULVXINJUEYUANXIANZAIHUANJINGWENDU25℃XIAFUSHEZAIBIAOMIANDESHISHI。

RUGUOLVXINJUEYUANXIANZHANGSHIJIANFUSHEZAIHUANJINGWENDUGAOYU25℃DEQUYUNEI,KEANSHANGSHUGONGSHIJISUANDAOXIANDECHENGZAINENGLI,RANHOUAN10%ZHEXIAN。

YONGTONGXINJUEYUANXIANDAITILVXIANSHI,QIZAILIULIANGLVEDAYUTONGGUIGEDELVXIAN。GENJUSHANGSHUGONGSHI,KEYIJISUANCHUYIGEXIANHAODAYULVXIANDEZAILIULIANG。

RUGUOYONG25 mm 2LVXIANDE16*5=80JISUAN16 mmTONGXIANDECHENGZAINENGLI,ZEXUANZE16PINGFANGSHIHELIDE。

DIANDONGJIYUNXUDEZUIXIAOGONGZUODIANYAWEI360V,BEIJINGCHAOYANGDIANLANCHANGBIANYAQIERCICEDIANYAWEI380V,EDINGGONGLVXIAYUNXUDEZUIDADIANYAJIANGWEIUWEI20V,EDINGGONGLVXIAYUNXUDEDIANZUWEIU。

RXIAN=ZENGLIANGU/I=20/73=0.27

CONGRXIAN=L/S,JISUANDAOXIANDEHENGJIEMIANJI:S=L/RXIAN

=0.0175*400/0.27=24.62mmPINGFANG

JIELUN:XUANYONG25PINGFANGTONGXINDIANLAN。

SAN。RUHEXUANZEDUANLUQIHEREJIDIANQI

RUHEGENJUDIANLIUXUANZEHENGJIEMIANJIDADEDIANLAN?WOMENXUANZEDEDIANLANSHITONGXINDIANLAN。

LIRU,RUGUOWOMENLIANJIEYITAI18.5KwDEDIANJI,WOMENKEYIJISUANTADEEDINGDIANLIUWEI37A。GENJUJINGYAN,YIPINGFANGHAOMIDETONGXIANKEYITONGGUO4-6a。RUGUOWOMENQUZHONGJIANZHIWEI5a,DIANLANDEHENGJIEMIANJIYINGWEI37/5=6.4PINGFANGHAOMI。WOMENDEBIAOZHUNDIANLANYOU6PINGFANGHAOMIHE10PINGFANGHAOMI。WEILEQUEBAOKEKAOXING,WOMENXUANZE10PINGFANGHAOMI。SHISHISHANG,ZAIJUTIDEXUANZEZHONG,WOMENKEYIXUANZE6GEZHENGFANGXING,YINGGAIZONGHEKAOLV。FUZAIGONGZUOSHIXIAOHAODUOSHAOGONGLV?RUGUOZHIYOU60%DEEDINGGONGLVXIAOYU,WOMENKEYIZHEIYANGXUANZE。RUGUOWOMENJIBENSHANGXIANGZAIEDINGGONGLVFUJINGONGZUO,WOMENZHINENGXUANZE10GENFANGXINGDIANLAN。

KAOLVDAODIANJIDEEDINGDIANYAHEDIANLIUJIEXIAN,RUHEGENJUDIANJIGONGLVXUANZEDUANLUQIHEREJIDIANQI

SANXIANGERBAIERTAIDIANDONGJI,QIANWA3.5ANPEI。

TONGCHANGSHIYONG380TAIDIANDONGJI,1QIANWAHE2ANPEI。

DIYA666DIANJI,kw 1.2ANPEI。

GAOYASANQIANFUDIANDONGJI,SIQIANWAYIANPEI。

GAOYALIUQIANFUDIANDONGJI,BAQIANWAYIANPEI。

SANXIANGDIANDONGJICHULEZHIDAOQIEDINGDIANYAWAI,BEIJINGCHAOYANGDIANLANCHANGHAIBIXUZHIDAOQIEDINGGONGLVHEEDINGDIANLIU,RU:SANXIANGYIBUDIANDONGJI,7.5KW,4JI(CHANGYONG2、4、6JI,BUTONGXILIE,QIEDINGDIANLIUYEBUTONG),QIEDINGDIANLUYUEWEI15A。

1.DUANLUQI:

EDINGDIANLIUYIBANWEI1.5-2.5BEI,CHANGYONGDESHIDZ47-6032A。

2.DIERBU。DIANXIAN:

GENJUDIANJIDEEDINGDIANLIU15A,XUANZEHESHIDEZAILIUDAOXIAN。RUGUODIANJIPINFANQIDONG,XUANZEYITIAOXIANGDUIJIAOCUDEXIAN,FANZHIYIRAN,XUANZEYITIAOXIANGDUIJIAOXIDEXIAN。ZAILIULIANGYOUXIANGGUANJISUANQUEDING。ZHEILIWOMENXUANZESIFANGXING。

SAN。JIAOLIUJIECHUQI:

GENJUDIANJIGONGLVXUANZEHESHIDECHICUN,1.5-2.5BEI。YIBANLAISHUO,ZAIXUANZESHOUCEZHONGYOUYIXIEXINGHAO。ZHEILIWOMENXUANZEZHENGTAICJX2-2510。BEIJINGCHAOYANGDIANLANCHANGWOMENHAIXUYAOZHUYIFUZHUCHUDIANDEPIPEI。BUZUSHIBUYAOHUIGOUFUZHUCHUDIAN。

DISIZHANG。REJIDIANQI

QIZHENGDINGDIANLIUKEDIAO,YIBANWEIDIANJIEDINGDIANLIUDE1-1.2BEI。

(1)DUOTAIDIANDONGJIDEPEIXIAN:DIANDONGJIDEZONGGONGLVCHENGYI2,JIWEIQIZONGDIANLIU。

(2)ZAIXIANLU50MIFANWEINEI,DAOXIANHENGJIEMIANCHUYI4。ZONGDIANLIUCHUYI4。

(3)SHUDIANXIANLUZHANGDUCHAOGUODAOXIANJIEMIAN50MI:ZONGDIANLIUCHUYI3。(FANGRUSHIDANGDETONGDAO)

(4)120PINGFANGMIYISHANGDEDAXINGDIANLANDIANLIUMIDUJIAODI。

DISIZHANG。ZONGJIE:

DUANLUQIXUANZE:

DIANJIEDINGDIANLIUCHENGYI2.5BEI,ZHENGDINGDIANLIUWEIDIANJIEDINGDIANLIUDE1.5BEI。ZHEIKEQUEBAOPINFANQIDONGHELINGMINDEDUANLUCAOZUO。

REJIDIANQIZHENGDINGZHIWEIDIANJIEDINGDIANLIUDE1.1BEI。

JIAOLIUJIECHUQI:

JIAOLIUJIECHUQIDEXUANZESHIDIANJIDIANLIUDE2.5BEI。

ZHEIQUEBAOLEZHANGQIHEPINFANDEGONGZUO。

以上就是北京朝阳电缆厂小编为大家分享的-北京朝阳电缆厂分享多大电源,用多大电线和电缆?如何计算?-需要更多的电缆相关知识,欢迎访问北京


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