内蒙快3

新黎明科创控股有限内蒙快3详情

低压配电系统中常用系统

发布时间:2019-08-19 15:22:00 查看次数:

内蒙快3DIYAPEIDIANXITONGZHONGCHANGYONGDEXINGSHIYOU:ITXITONG、TTXITONG、TNXITONG,XIAMIANWOMENZUOFENBIEJIESHAO:

YI、ITXING

RUXIATU:

IT型.jpg

ER、TTXING

RUXIATU:

TT型.jpg

BIXUSHUOMING:

《NONGCUNDIYADIANLIJISHUGUICHENG》DL/T499-2001ZHONGGUIFAN:

内蒙快33.4.5 CAIYONGTTXITONGSHIYINGMANZUDEYAOQIU:

内蒙快31、CAIYONGTTXITONG,CHUBIANYAQIDIYACEZHONGXINGDIANZHIJIEJIEDIWAI,ZHONGXINGXIANBUDEZAIXINGJIEDI,QIEYINGBAOCHIYUXIANGXIAN(HUOXIAN)TONGDENGDEJUEYUANSHUIPING;

2、WEILEFANGZHIZHONGXINGXIANDEJIXIEDUANXIAN,QIJIEMIANJIYINGMANZUYIXIAYAOQIU:

内蒙快3(1)XIANGXIANDEJIEMIANJIS:S≤16PINGFANGHAOMI ZHONGXINGXIANJIEMIANJIS0:S0=S(YUXIANGXIANYIYANG);

内蒙快3(2)XIANGXIANDEJIEMIANJIS:16<S≤35PINGFANGHAOMI ZHONGXINGXIANJIEMIANJIS0:S0=16;

(3)XIANGXIANDEJIEMIANJIS:S>35PINGFANGHAOMI ZHONGXINGXIANJIEMIANJIS0:S0=S/2(XIANGXIANDEYIBAN);

3、DIANYUANJINXIANKAIGUANYINGGELI(NENGDUANKAI)ZHONGXINGXIAN,LOUDIANBAOHUQIBIXUGELI(NENGDUANKAI)ZHONGXINGXIAN;

内蒙快34、BIXUSHISHISHENGYUDIANLIUBAOHU(JIBIXUANZHUANGLOUDIANBAOHUKAIGUAN),BAOKUO:

(1)SHENGYUDIANLIUZONGBAOHU、SHENGYUDIANLIUZHONGJIBAOHU(BIYAOSHI),QIDONGZUODIANLIUYINGMANZU:

a、SHENGYUDIANLIUZONGBAOHUHESHIJISHIQIECHUDIYADIANWANGZHUGANXIANHEFENZHIXIANLUSHANGDUANXIANJIEDIDENGCHANSHENGJIAODASHENGYUDIANLIUDEGUZHANG;

内蒙快3b、SHENGYUDIANLIUZONGBAOHUQIDEDONGZUODIANLIUZHENGDING:

ZONGBAOHUZHENGDINGSHENGYUDIANLIUJIAOXIAODEDIANWANG FEIYINYUJIJIEWEI50mA YINYUJIJIEWEI200mA;

SHENGYUDIANLIUJIAODADEDIANWANG FEIYINYUJIJIEWEI100mA YINYUJIJIEWEI300mA;

(2)SHENGYUDIANLIUMOJIBAOHU:

SHENGYUDIANLIUZHONGMOJIBAOHUZHUANGYUYONGHUSHOUDIANDUAN(JIZHONGDUANYONGHU,LIRUJIATINGYONGDIAN,HUOMOUTAIYONGDIANSHEBEI),QIBAOHUFANWEISHIFANGZHIYONGHUNEIBUJUEYUANPOHUAI,FASHENGRENSHENJIANJIEJIECHUCHUDIANDENGERCHANSHENGDESHENGYUDIANLIUSUOZAOCHENGDESHIGU。DUIZHIJIEJIECHUCHUDIAN,JINZUOWEIJIBENBAOHUCUOSHIDEFUJIABAOHU。

SHENGYUDIANLIUZHONGMOJIBAOHUYINGMANZUYIXIATIAOJIAN:

Re×Iop≤Ulim

SHIZHONG:

Re—SHOUDIANSHEBEIWAILUKEDAODIANBUFENDEJIEDIDIANZU(Ω);

Ulim—ANQUANDIANYAJIXIAN(ZHENGCHANGQINGKUANGXIAKEAN50VJIAOLIUYOUXIAOZHIKAOLV);

Iop—SHENGYUDIANLIUBAOHUQIDEDONGZUODIANLIU(A);

IopZHENGDINGZHI:≤30mA;

5、PEIDIANBIANYAQIDIYACEJICHUXIANHUILU,JUNYINGZHUANGSHEGUODIANLIUBAOHU,BAOKUO:DUANLUBAOHUHEGUOFUHEBAOHU;

6、PEEXIANDEZUOYONG:DANGSHEBEIFASHENGLOUDIANSHI,LOUDIANDIANLIUKEYITONGGUODADIHUILIUDAOBIANYAQIDEZHONGXINGDIAN,KEYIJIANGDIDAIDIANDESHEBEIWAIQIAODIANYA,JIANGDIRENCHUJISHEBEIWAIQIAOBEIDIANJIDEWEIXIANCHENGDU;

7、DANGFASHENGDANXIANGJIEDIGUZHANGSHI,JIEDIDIANLIUTONGGUODADILIUHUIBIANYAQIZHONGXINGDIAN,SHIDEJIEDIDIANLIUHENDA,CUSHIXIANLUBAOHUQIKEKAODONGZUO(TEBIESHIZHENGDINGZHIFUHEGUIFANDELOUDIANBAOHUQI)KEKAODONGZUO,QIEDUANDIANYUAN;

SAN、TNXING

内蒙快3TNXITONG:BAOKUOTN—C、TN—C—S、TN—SSANZHONGXITONG:

1、TN—CXITONG:

RUXIATU

TN-C系统.jpg

内蒙快3BIXUSHUOMING:《GONGPEIDIANXITONGSHEJIGUIFAN》GB50052-2009DUIDIYAPEIDIANXIDETONGGUIFAN:WEILEBAOHUMINYONGJIANZHUDEYONGDIANANQUAN,BUYICAIYONGTN—CXITONG。

2、TN—C—SXITONG:

RUXIATU

TN-C-S系统.jpg

3、TN—SXITONG:

RUXIATU

TN-S系统.jpg

TNYOUQUEDIANFENXI:

(1)TN-S(SANXIANGWUXIANZHI)JIEDIXINGSHIDEPEXIANPINGSHIBUTONGGUOGONGZUODIANLIU,JINZAIFASHENGJIEDIGUZHANGSHILIUGUOGUZHANGDIANLIU,QIDIANWEIJIEJINDADIDIANWEI,BUHUIGANRAOXINXISHEBEI,BUHUIDUIDIDAHUO,JIAOWEIANQUAN;QUEDIANSHIXUYAOQUANCHENGSHEZHIPEXIAN,ZAOJIAJIAOGAO;

(2)TN-C-S(SANXIANGSIXIANZHI)XIANGDUIYUTN-S(SANXIANGWUXIANZHI)LAISHUOSHAOLEYIGENZHUANYONGPEXIAN,ZAOJIAJIAODI,YOUYUQIJINRUYONGDIANJIANZHUHOUPEXIANHENXIANFENKAISUOYIYEJUYOUTN-SDEYOUDIAN;DANSHIYAOQIUPENXIANDELIANJIEFEICHANGKEKAO,PENXIANYIDANDUANXIANJIANGYINFAHENDUOGUZHANG;

XUYAOZHUYI:

内蒙快3NT-SXITONGDEPEHETN-C-SXITONGDEPENXIANZAITONGYIGONGDIANFANWEINEIDOUSHILIANTONGDE,DANGBIANDIANSUOHUOPEIDIANXITONGZHONGMOUYISHESHIFASHENGDIANQIJIEDIGUZHANGSHI,NT-SXITONGQIGUZHANGDIANYAHUIYANZHEPEXIAN、TN-C-SXITONGQIGUZHANGDIANYAHUIYANZHEPENXIANZAIDIANQISHEBEIJIANCHUANDAO,ZHEISHITNXITONGGONGYOUDEQUEDIAN,SUOYIBIXUCAIQUDENGDIANWEICUOSHILAIYUFANGZHEIZHONGQINGKUANGDEFASHENG。


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