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如何正确选择中小型断路器

lol赛事竞猜 peidian(xianlu)、diandongjihejiayongdianqidengdeguodianliubaohuduanluqi♩♪✿♬❉☴,yinbaohuduixiang(rubianyaqi、dianxiandianlan、diandongjihejiayongdianqideng)dechengshouguozaidianliudenengli(baokuodiandongjideqidongdianliuheqidongshijiandeng)youchayi♩♪✿♬❉☴,xuanyongdeduanluqidebaohutexingbutong❤ღ❦♤﹏▊。

1.普通短路器的选择

1.1配电用断路器的选择

lol赛事竞猜   peidianyongduanluqishizhizaidiyadianwangzhongzhuanmenyongyufenpeidiannengdeduanluqi♩♪✿♬❉☴,baokuodianyuanzongduanluqihefuzaizhiluduanluqi❤ღ❦♤﹏▊。zaixuanyongzheiyileiduanluqishi♩♪✿♬❉☴,xutebiezhuyixialiexuanyongyuanze:

  (1)duanluqidezhangyanshidongzuodianliuzhengdingzhi≤daoxianrongxuzailiuliang❤ღ❦♤﹏▊。duiyucaiyongdianxiandianlandeqingkuang♩♪✿♬❉☴,kequdianxiandianlanrongxuzailiuliangde80%❤ღ❦♤﹏▊。

  (2)3beizhangyanshidongzuodianliuzhengdingzhidekefanhuishijian≥xianluzhongzuidaqidongdianliudediandongjideqidongshijian❤ღ❦♤﹏▊。

lol赛事竞猜   (3)duanyanshidongzuodianliuzhengdingzhii1wei:

  i1=1.1(ijx+1.35kied)

  shizhong:ijx———xianlujisuanfuzaidianliu(a);

  k———diandongjideqidongdianliubeishu;

lol赛事竞猜   ied———diandongjiedingdianliu(a)❤ღ❦♤﹏▊。

  (4)shunshidianliuzhengdingzhii2wei:

  i2=1.1(ijx+klkiedm)

lol赛事竞猜   shizhong:kl———diandongjiqidongdianliudechongjixishu♩♪✿♬❉☴,yibanqukl=1.7~2;

lol赛事竞猜   iedm———zuidadeyitaidiandongjideedingdianliu❤ღ❦♤﹏▊。

  (5)duanyanshideshijianjieduan♩♪✿♬❉☴,anpeidianxitongdefenduanerding❤ღ❦♤﹏▊。yibanshijianjieduanwei2~3ji❤ღ❦♤﹏▊。meijizhijiandeduanyanshishichawei0.1~0.2s♩♪✿♬❉☴,shiduanluqiduanyanshijigoudedongzuojingduerding♩♪✿♬❉☴,qikefanhuishijianyingbaozhenggejidexuanzexingdongzuo❤ღ❦♤﹏▊。xuandingduanyanshijietihou♩♪✿♬❉☴,zuihaoanbeibaohuduixiangderewendingxingnengjiayixiaohe❤ღ❦♤﹏▊。

1.2电动机保护型断路器的选择

lol赛事竞猜   weixingduanluqi(mcb)bunengyongyuduidiandongjidebaohu♩♪✿♬❉☴,zhikezuoweitidairongduanqiduipeidianxianlu(rudianxiandianlan)jinxingbaohu❤ღ❦♤﹏▊。diandongjizaiqidongshunjianyouyige5~7beiied♩♪✿♬❉☴,chixushijianwei10sdeqidongdianliu♩♪✿♬❉☴,jishictexingzaidiancituokoudianliushedingwei5~10beiied♩♪✿♬❉☴,keyibaozhengzaidiandongjiqidongshibiguolangyongdianliu❤ღ❦♤﹏▊。

  danduirebaohulaijiang♩♪✿♬❉☴,qiguozaibaohudedongzuozhizhengdingyu1.45ied♩♪✿♬❉☴,yejiushishuodiandongjiyaochengshou45%yishangdeguozaidianliushimcbcainengtuokou♩♪✿♬❉☴,zheiduiyuzhinengchengshou<20%guozaidedianjidingziraozulaijiang♩♪✿♬❉☴,shijirongyishiraozujiandejueyuansunhuaide♩♪✿♬❉☴,erduiyudianxiandianlanlaijiangshikechengshoude❤ღ❦♤﹏▊。yinci♩♪✿♬❉☴,zaimouxiechangheruquexuyongmcbduidianjijinxingbaohu♩♪✿♬❉☴,kexuanyongabbgongsiteyoudefuheiec947-2biaozhunzhongktexingdemcb♩♪✿♬❉☴,huocaiyongmcbwaijiarejidianqidefangshi♩♪✿♬❉☴,duidiandongjijinxingguozaiheduanlubaohu❤ღ❦♤﹏▊。

1.3家用保护型断路器的选择

  mcbshijianzhudianqizhongduanpeidianzhuangzhizhongshiyongzuiguangfandeyizhongzhongduanbaohudianqi❤ღ❦♤﹏▊。

lol赛事竞猜   yingdangxiangxuanyongsuqiaoduanluqihekuangjiaduanluqiyiyang♩♪✿♬❉☴,jisuanzuidaduanluronglianghouzaixuanze❤ღ❦♤﹏▊。

lol赛事竞猜   mcbdeshejiheshiyongshizhendui50~60hzjiaoliudianwangde♩♪✿♬❉☴,ruyongyuzhiliudianlu♩♪✿♬❉☴,yinggenjuzhizaochangshangtigongdecituokoudongzuodianliutongdianyuanpinlvbianhuaxishulaihuansuan;danghuanjingwendudayuhuoxiaoyuxiaozhunwenduzhishi♩♪✿♬❉☴,bixugenjuzhizaochangshangtigongdewenduyuzailiunenglixiuzhengquxianlaidiaozhengmcbdeedingdianliuzhi❤ღ❦♤﹏▊。

  diyapeidianxianludeduanludianliuyugaigongdianxianludedaoxianjiemian、daoxianfushefangshi、duanludianyudianyuanjulizhangduan、peidianbianyaqiderongliangdaxiao、zukangbaifenbidengdianqicanshuyouguan❤ღ❦♤﹏▊。

  yibangongyeyuminyongjianzhupeidianbianyaqidiyacedianyaduowei0.23/0.4kv♩♪✿♬❉☴,bianyaqirongliangdaduowei1600kvajiyixia♩♪✿♬❉☴,diyacexianludeduanludianliusuipeidianrongliangzengdaerzengda❤ღ❦♤﹏▊。duiyubutongrongliangdepeibian♩♪✿♬❉☴,diyakuixianduanduanludianliushibutongde❤ღ❦♤﹏▊。yibanlaishuo♩♪✿♬❉☴,duiyuminyongzhuzhai、xiaoxingshangchangjigonggongjianzhu♩♪✿♬❉☴,youyuyoudangdigongdianqiyedediyadianwanggongdian♩♪✿♬❉☴,gongdianxianludedianlanhuojiakongdaoxianjiemianjiaoxi♩♪✿♬❉☴,yongdianshebeijugongdiandianyuanjulijiaoyuan♩♪✿♬❉☴,xuanyong4.5kajiyishangfenduannenglidemcbjike❤ღ❦♤﹏▊。

  duiyuyouzhuangonghuoyou10kvbianpeidianzhandeyonghu♩♪✿♬❉☴,wangwangyingongdianxianludedianlanjiemianjiaocu♩♪✿♬❉☴,gongdianjulijiaoduan♩♪✿♬❉☴,yingxuanyong6kajiyishangedingfenduannenglidemcb❤ღ❦♤﹏▊。erduiyurubianpeidianzhan(zhanneishiyongdezhaoming、donglidianyuanzhijiequziyudiyazongmupai)yijidarongliangchejianbianpeidianzhan(gongchejianyongdianshebei)denggongdianjulijiaoduandeleisichanghe♩♪✿♬❉☴,zebixuxuanyong10kajiyishangfenduannenglidemcb♩♪✿♬❉☴,jutixuanyongshitebieyaozhuyi:mcbdeedingfenduannenglishizaishangduanzijinxian、xiaduanzichuxianzhuangtaixiacedede❤ღ❦♤﹏▊。

lol赛事竞猜   zaigongchengzhongruoyudaoteshuqingkuangxiayaoqiuxiaduanzijinxian、shangduanzichuxian♩♪✿♬❉☴,youyukaiduanguzhangdianliushimiehudeyuanyin♩♪✿♬❉☴,mcbbixujiangrongshiyong♩♪✿♬❉☴,jiedingfenduannenglibixuanzhizaochangshangtigongdeyouguanjiangrongxishulaihuansuan❤ღ❦♤﹏▊。mcbdebaohutexinggenjuiec898fenweia、b、c、dsizhongtexinggongyonghuxuanyong:atexingyibanyongyuxuyaokuaisu、wuyanshituokoudeshiyongchanghe♩♪✿♬❉☴,yijiyongyujiaodidefengzhidianliuzhi(tongchangshiedingdianliuinde2~3bei)♩♪✿♬❉☴,yixianzhiyunxutongguoduanludianliuzhihezongdefenduanshijian♩♪✿♬❉☴,liyonggaitexingkeshimcbtidairongduanqizuoweidianziyuanqijiandeguoliubaohujihugancelianghuiludebaohu;btexingyongyuxuyaojiaokuaisudutuokouqiefengzhidianliubushihendadeshiyongchanghe❤ღ❦♤﹏▊。

  yuatexingxiangbijiao♩♪✿♬❉☴,btexingyunxutongguodefengzhidianliu<3in♩♪✿♬❉☴,yibanyongyubaichideng、dianjiareqidengdianzuxingfuzaijizhuzhaixianludebaohu;ctexingshiyongyudabufendedianqihuilu♩♪✿♬❉☴,tayunxufuzaitongguojiaogaodeduanshifengzhidianliuermcbbudongzuo♩♪✿♬❉☴,ctexingyunxutongguodefengzhidianliu<5in♩♪✿♬❉☴,yongyuyingguangdeng、gaoyaqitifangdiandeng、donglipeidianxitongdexianlubaohu;dtexingshiyongyuhengaodefengzhidianliu(<10in)deduanluqishebei♩♪✿♬❉☴,keyongyujiaoliuedingdianyayupinlvxiadekongzhibianyaqihejubuzhaomingbianyaqideyicixianluhediancifadebaohu❤ღ❦♤﹏▊。

2漏电断路器的选择

2.1普通漏电断路器的选择

  xuanzeloudianduanluqiyaozunxunyixiayuanze:

lol赛事竞猜   (1)duanluqideedingdianya、dianliuyingdayuhuodengyuxianlushebeidezhengchanggongzuodianyahedianliu;

lol赛事竞猜   (2)xianluyingbaohudeloudiandianliuyingxiaoyuhuodengyuduanluqideguidingloudianbaohudianliu;

  (3)duanluqidejixiantongduannengliyingdayuhuodengyudianluzuidaduanludianliu;

  (4)guozaituokouqideedingdianliudayuhuodengyuxianludezuidafuzaidianliu;

  (5)youjiaoduandefenduanfanyingshijian♩♪✿♬❉☴,nenggouqidaobaohuxianluheshebeidezuoyong❤ღ❦♤﹏▊。

2.2四极断路器的选用

lol赛事竞猜   shifouxuanyongsijiduanluqikezunxunyixiayuanze:

lol赛事竞猜   (1)genjuiec465.1.5tiaoguiding♩♪✿♬❉☴,zhengchanggongdiandianyuanyubeiyongfadianjizhijiandezhuanhuanduanluqiyingshiyongsijiduanluqi;

lol赛事竞猜   (2)dailoudianbaohudeshuangdianyuanzhuanhuanduanluqiyingcaiyongsijiduanluqi❤ღ❦♤﹏▊。lianggeshangjiduanluqidailoudianbaohu♩♪✿♬❉☴,qixiajidedianyuanzhuanhuanduanluqiyingshiyongsijiduanluqi;

  (3)zailiangzhongbutongjiedixitongjiandianyuanqiehuanduanluqiyingcaiyongsijiduanluqi;

lol赛事竞猜   (4)tn-cxitongyanjinshiyongsijiduanluqi;

  (5)tn-s、tn-c-sxitongyibanbuxuyaoshezhisijiduanluqi❤ღ❦♤﹏▊。dantn-sxitongdeyixieteshuqingkuang(yanzhongsanxiangbupingheng、lingxuxiebohanliangjiaogaodeng)shifoubuyongsijiduanluqiyoudaijinyibuyanjiu;

lol赛事竞猜   (6)ttxitongdedianyuanjinxianduanluqiyingcaiyongsijiduanluqi;

  (7)itxitongzhongdangyouzhongxingxianyinchushiyingcaiyongsijiduanluqi❤ღ❦♤﹏▊。

3.断路器的使用

  duanluqizaishiyongguochengzhongwomenyaozhuyi:

lol赛事竞猜   (1)dianlujiehaohou♩♪✿♬❉☴,yingjianchajiexianshifouzhengque❤ღ❦♤﹏▊。ketongguoshiyananniujiayijiancha❤ღ❦♤﹏▊。ruduanluqinengzhengquefenduan♩♪✿♬❉☴,shuomingloudianbaohuqianzhuangzhengque♩♪✿♬❉☴,fouzeyingjianchaxianlu♩♪✿♬❉☴,paichuguzhang❤ღ❦♤﹏▊。zailoudianbaohuqitouruyunxinghou♩♪✿♬❉☴,meijingguoyiduanshijian♩♪✿♬❉☴,yonghuyingtongguoshiyananniujianchaduanluqishifouzhengchangyunxing;

  (2)duanlubaohuqideloudian、guozai、duanlubaohutexingshiyouzhizaochangshedingde♩♪✿♬❉☴,bukesuiyidiaozheng♩♪✿♬❉☴,yimianyingxiangxingneng;shiyananniudezuoyongzaiyuduanluqizaixinanzhuanghuoyunxingyidingshiqihou♩♪✿♬❉☴,zaihezhatongdiandezhuangtaixiaduiqiyunxingzhuangtaijinxingjiancha❤ღ❦♤﹏▊。andongshiyananniu♩♪✿♬❉☴,duanluqinengfenduan♩♪✿♬❉☴,shuomingyunxingzhengchang♩♪✿♬❉☴,kejixushiyong;

  (3)ruduanluqibunengfenduan♩♪✿♬❉☴,shuomingduanluqihuoxianluyouguzhang♩♪✿♬❉☴,xujinxingjianxiu;

  (4)duanluqiyinbeibaohudianlufashengguzhang(loudian、guozaihuoduanlu)erfenduan♩♪✿♬❉☴,zecaozuoshoubingchuyutuokouweizhi(zhongweizhi)❤ღ❦♤﹏▊。chamingyuanyinpaichuguzhanghou♩♪✿♬❉☴,yingxianjiangcaozuoshoubingxiangxiaban(jizhiyu“fen”weizhi)♩♪✿♬❉☴,shicaozuojigou“zaikou”hou♩♪✿♬❉☴,cainengjinxinghezhacaozuo(qingzhuyiduanluqicaozuoshoubingsangeweizhidebutonghanyi);

lol赛事竞猜   (5)duanluqiyinxianluduanluduankaihou♩♪✿♬❉☴,xujianchachutou♩♪✿♬❉☴,ruozhuchutoushaosunyanzhonghuoyouaokengshi♩♪✿♬❉☴,xujinxingweixiu;

  (6)sijiloudianduanluqibixujierulingxian♩♪✿♬❉☴,yishidianzixianluzhengchanggongzuo;

  (7)loudianduanluqidefuzaijiexianbixujingguoduanluqidefuzaiduan♩♪✿♬❉☴,buyunxufuzaiderenyixiangxianhuolingxianbujingguoloudianduanluqi♩♪✿♬❉☴,fouzejiangchanshengrenwei“loudian”erzaochengduanluqihebushangzha♩♪✿♬❉☴,zaocheng“wudong”❤ღ❦♤﹏▊。ciwai♩♪✿♬❉☴,weilegengjiayouxiaodibaohuxianluheshebei♩♪✿♬❉☴,keyijiangloudianduanluqiyurongduanqipeiheshiyong❤ღ❦♤﹏▊。

lol赛事竞猜   (1)dianyuanjinxianduanluqizhongxingxiandegelibushiweilefangsanxianghuiluneizhongxingxianbupinghengdianliuyinqidezhongxingxianguoliuhuozheizhongguoliuyinqiderenshendianjiweixian♩♪✿♬❉☴,ershiweilexiaochuyanzhongxingxiandaorudeguzhangdianweiduidianqijianxiurenyuandedianjiweixian;

lol赛事竞猜   (2)weijianshaosanxianghuilu“duanling”

  shigudefasheng♩♪✿♬❉☴,yingjinliangbimianzaizhongxingxianshangzhuangshebubiyaodeduanluqichutou♩♪✿♬❉☴,jizaibaozhengdianqijianxiuanquantiaojianxia♩♪✿♬❉☴,jinliangshaozhuangyongsijiduanluqi;

lol赛事竞猜   (3)bulunjianzhuwuneiyouwuzongdengdianweilianjie♩♪✿♬❉☴,ttxitongdianyuanjinxianduanluqiyingshixianzhongxingxianhexiangxiandetongshigeli♩♪✿♬❉☴,danyouzongdengdianweilianjiedetn-sxitonghetn-c-sxitongjianzhuwudianqizhuangzhiwucixuyao;

lol赛事竞猜   (4)ttxitongneidercdyingnengtongshiduankaixiangxianhezhongxingxian♩♪✿♬❉☴,yifangfashenglianggeguzhangshiyinqidedianjishigu♩♪✿♬❉☴,danduitnxitongneideloudianbaohuqircdmeiyouciyaoqiu;

lol赛事竞猜   (5)chudailoudianbaohugongnengdedianyuanzhuanhuanduanluqiwai♩♪✿♬❉☴,qitadianyuanzhuanhuanduanluqiwuxugelizhongxingxian;

  (6)bulunhezhongjiedixitong♩♪✿♬❉☴,danxiangdianyuanjinxianduanluqidouyingnengtongshiduankaixiangxianhezhongxingxian❤ღ❦♤﹏▊。