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串联恒功率电伴热带电源接线处理方法

发布于:2017-02-14 17:24来源:安邦电伴热带 作者:电伴热带厂家点击:
电伴热带

串联恒功率电伴热带功率恒定,发热温度高,耐温高,适合使用在工业化工场合的管道保温伴热。

串联恒功率电伴热带适用于防爆区域要求精确控温的偏大型的罐体、管道中。

串联恒功率电伴热带采用镍铬合金丝(里面的金属母线发热)作为导体, 不可剪切,在使用时需配合温度控制器进行集中控制。在安装的时候,需要注意恒功率电伴热带电源接线处理方法。

串联恒功率电伴热带有几种规格,一般分为单芯、双芯、三芯三种规格。

一、单芯串联恒功率电伴热带

  电源接线盒接线时(有时候也直接进了温控器的端子),一般电源为220V电源,不分零线和火线,采用一去一回的方式,同样屏蔽层接地以防漏电伤人。

二、双芯串联恒功率电伴热带

双芯串联恒功率电伴热带的接线方式和自限温电伴热带的接线方式相同,主要是避免电伴热之间不要产生交叉,以免温度过高烧坏电伴热带。

三、三芯串联恒功率电伴热带

三芯串联恒功率电伴热带电源应该用380V电源,把三根线芯剥开后,分别接在三根火线上。

注意三芯串联恒功率电伴热带不用零线,直接用三根火线形成一个星形接线方式。

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