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怎样选择合适的电表

文章来源:临沂贝搏体育登路回收公司 更新时间:2018/8/18
电表的种类很(hen)多(duo),而且使用情(qing)况不同,需要的电表型号(hao)也不同,作为废旧电表回收单位,临(lin)沂贝搏体育登路公(gong)司每天要处理(li)很(hen)多(duo)不同规格型号(hao)的废旧电表,这也使得我们(men)认识(shi)了解(jie)很(hen)多(duo)电表,那下面(mian)讲解(jie)一下怎样选(xuan)择(ze)电表,有哪些注(zhu)意(yi)事项。

选择(ze)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao)时(shi)(shi),电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)值(zhi)(zhi)选择(ze)重要(yao)(yao),也复杂(za)。其一(yi)是起(qi)动(dong)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu),即能(neng)够使(shi)转(zhuan)盘(pan)连续转(zhuan)动(dong)的(de)(de)小(xiao)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu);其二(er)是大(da)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)相对基本电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu) 的(de)(de)倍数。另(ling)外,老式表(biao)(biao)和(he)新(xin)式表(biao)(biao)在(zai)性(xing)能(neng)方面(mian)(mian)有差异。老住(zhu)宅(zhai)仍在(zai)使(shi)用的(de)(de)旧式电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao),起(qi)动(dong)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)比较(jiao)大(da),一(yi)般为(wei)(wei)(wei)(5%~10%);较(jiao)大(da)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)小(xiao),一(yi)般≤2 ,在(zai)表(biao)(biao)盘(pan)的(de)(de)盘(pan)面(mian)(mian)上只标(biao)(biao)一(yi)个电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)值(zhi)(zhi),且笼统地(di)称(cheng)为(wei)(wei)(wei)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。所以(yi)在(zai)旧电(dian)(dian)(dian)(dian)(dian)(dian)工手册中指(zhi)出,使(shi)用时(shi)(shi)负载(zai)电(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)应大(da)于(yu)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)10%,小(xiao)于(yu)120%或小(xiao)于(yu)125%。根(gen)据(ju)国家标(biao)(biao)准GB/T15283-94和(he)国际(ji)标(biao)(biao)准IEC521-1988生产(chan)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao),新(xin)建(jian)住(zhu)宅(zhai)中使(shi)用的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao)起(qi)动(dong)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)小(xiao),对于(yu)级表(biao)(biao)来(lai)说(shuo)为(wei)(wei)(wei)0.5% ;大(da)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大(da),一(yi)般大(da)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu) 为(wei)(wei)(wei)(2~4) ,有的(de)(de)可达(6~8)。在(zai)新(xin)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao)表(biao)(biao)盘(pan)的(de)(de)盘(pan)面(mian)(mian)上标(biao)(biao)有两个电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)值(zhi)(zhi),如5(20A),选用这个电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao)时(shi)(shi)一(yi)方面(mian)(mian)要(yao)(yao)注意负载(zai)小(xiao)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不(bu)能(neng)低于(yu)起(qi)动(dong)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu),即0.5%×≥5A=0.025A;另(ling)一(yi)方面(mian)(mian)长期使(shi)用的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)表(biao)(biao)值(zhi)(zhi)不(bu)能(neng)高于(yu)大(da)额(e)(e)定(ding)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)值(zhi)(zhi)20A。选择(ze)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)表(biao)(biao)时(shi)(shi),应考(kao)虑到(dao)进入家庭的(de)(de)各种(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)器日益增多,要(yao)(yao)留(liu)有余量,也要(yao)(yao)合理适(shi)度,因为(wei)(wei)(wei)倍数越大(da)的(de)(de)表(biao)(biao)价钱(qian)越高
电表是(shi)(shi)日(ri)常日(ri)常生活中的(de)(de)家居(ju)必备品,当电表出现(xian)故(gu)障,无法修理时(shi),应该(gai)立即停止使用(yong),更换(huan)新电表。值得注意的(de)(de)是(shi)(shi)替(ti)换(huan)下(xia)来的(de)(de)废(fei)(fei)旧电表,不(bu)可随意丢弃,这个(ge)时(shi)候就(jiu)需要(yao)进行(xing)二手电表回(hui)收(shou),废(fei)(fei)旧电表的(de)(de)回(hui)收(shou)可以(yi)将许(xu)多废(fei)(fei)旧零件进行(xing)回(hui)收(shou)再利用(yong),电线(xian)就(jiu)是(shi)(shi)其中的(de)(de)一(yi)种。

那么(me),电线在废旧电表回收后起到的(de)具体作(zuo)用是什么(me)呢?
废(fei)旧(jiu)电(dian)(dian)表拆(chai)解的(de)(de)电(dian)(dian)器(qi)可(ke)以(yi)分理出很多的(de)(de)废(fei)旧(jiu)电(dian)(dian)线(xian)(xian),废(fei)旧(jiu)电(dian)(dian)线(xian)(xian)可(ke)以(yi)分为(wei)粗(cu)电(dian)(dian)线(xian)(xian)(电(dian)(dian)缆)和细电(dian)(dian)线(xian)(xian)两种(zhong)。对于粗(cu)电(dian)(dian)线(xian)(xian)通(tong)常使用(yong)专(zhuan)门的(de)(de)金属刀切割,可(ke)以(yi)提(ti)取里面(mian)(mian)的(de)(de)铜(tong)和其他(ta)金属,电(dian)(dian)线(xian)(xian)外面(mian)(mian)的(de)(de)绝(jue)缘(yuan)体作(zuo)(zuo)为(wei)塑(su)料(liao)回(hui)收。细电(dian)(dian)线(xian)(xian)则只能通(tong)过焚烧提(ti)取里面(mian)(mian)的(de)(de)铜(tong)和其他(ta)金属,塑(su)料(liao)绝(jue)缘(yuan)皮卖给专(zhuan)门回(hui)收塑(su)料(liao)的(de)(de)家庭作(zuo)(zuo)坊和中小型加工厂。

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