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变频控制(zhi)箱从烘(hong)(hong)(hong)(hong)干(gan)储(chu)存方法可(ke)分为单加(jia)温(wen)室(shi)机(ji)型,该机(ji)型的烘(hong)(hong)(hong)(hong)干(gan)室(shi)zui高(gao)温(wen)度可(ke)到达(da)500℃,温(wen)度自控,也是只需烘(hong)(hong)(hong)(hong)干(gan)功用(yong)(yong)。如从单加(jia)热室(shi)基(ji)础(chu)上增设(she)一个(ge)储(chu)藏室(shi),这(zhei)样(yang)即提高(gao)了设(she)备利用(yong)(yong)率,烘(hong)(hong)(hong)(hong)干(gan)室(shi)、储(chu)藏室(shi)采(cai)用(yong)(yong)独立电路分别测量(liang)控制(zhi)温(wen)度,烘(hong)(hong)(hong)(hong)干(gan)室(shi)烘(hong)(hong)(hong)(hong)干(gan)时(shi)刻可(ke)设(she)定,届(jie)时(shi)报警停机(ji)。储(chu)藏室(shi)zui高(gao)作(zuo)业温(wen)度为150℃。
现(xian)在,正常作(zuo)(zuo)(zuo)(zuo)业情况下的(de)(de)变(bian)频器(qi)(qi)(qi)设备大(da)约有(you)3.5-4%的(de)(de)功率损耗主要以热(re)(re)量方式丢失在工作(zuo)(zuo)(zuo)(zuo)环境傍边,其间电(dian)力电(dian)子(zi)器(qi)(qi)(qi)件(jian)的(de)(de)损耗约占一般(ban)左右,如果不能及(ji)时有(you)用的(de)(de)处理(li)变(bian)频器(qi)(qi)(qi)室的(de)(de)作(zuo)(zuo)(zuo)(zuo)业环境温(wen)(wen)度问(wen)题(ti),将直接危及(ji)变(bian)频器(qi)(qi)(qi)本体的(de)(de)工作(zuo)(zuo)(zuo)(zuo)安(an)全;zui终因为温(wen)(wen)度过高,导致变(bian)频器(qi)(qi)(qi)过热(re)(re)维护动作(zuo)(zuo)(zuo)(zuo)跳闸;为确保(bao)变(bian)频器(qi)(qi)(qi)具有(you)良好的(de)(de)工作(zuo)(zuo)(zuo)(zuo)环境,有(you)必要对(dui)变(bian)频器(qi)(qi)(qi)及(ji)工作(zuo)(zuo)(zuo)(zuo)环境的(de)(de)温(wen)(wen)度控(kong)制采(cai)纳响应(ying)的(de)(de)办法。
挑选(xuan)适合的(de)变(bian)(bian)(bian)频(pin)器需(xu)(xu)求看您要把变(bian)(bian)(bian)频(pin)器使用在什么样的(de)设备上,一(yi)(yi)般来(lai)说设备是(shi)多(duo)大功(gong)(gong)率的(de)变(bian)(bian)(bian)频(pin)器需(xu)(xu)求多(duo)大功(gong)(gong)率的(de)。变(bian)(bian)(bian)频(pin)器关于各种(zhong)不同场合可以活络(luo)使用,关于一(yi)(yi)些重载型(xing)(xing)机械或(huo)许需(xu)(xu)求提(ti)高一(yi)(yi)个功(gong)(gong)率段,关于风机水泵之(zhi)类(lei)的(de)轻载可以下降一(yi)(yi)个功(gong)(gong)率段。功(gong)(gong)率不是(shi)变(bian)(bian)(bian)频(pin)器选(xuan)型(xing)(xing)的(de)标准(zhun),而且变(bian)(bian)(bian)频(pin)器选(xuan)型(xing)(xing)品牌(pai)不同,功(gong)(gong)率段设置也稍有不同,但(dan)是(shi)一(yi)(yi)般都是(shi)迥然不同,一(yi)(yi)般还可以根据额定电(dian)流(liu)来(lai)进行选(xuan)型(xing)(xing),只需(xu)(xu)额定电(dian)流(liu)大于设备电(dian)流(liu)即(ji)可。