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@主推产品TSXP57204直送2024全+境+派+送
点击次数：159发布时间：2024/7/12 9:53:22
更新日期：2024/9/25 9:33:54
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官网:www.hfd-dcs.com
联系人：陈工
电话: 0591-87722515
手机：18005007289
QQ：2851617310
在一个闭合的铁芯上绕两个或以上的线圈，当一个线圈通入交流电源时（就是初线圈），线圈中流过交变电流，这个交变电流在铁芯中产生交变磁场，交变主磁通在初线圈中产生自身感应电动势，同时另外一个线圈（就是次线圈）中感应互感电动势。通过改变初、次的线圈匝数比的关系来改变初、次线圈端电压，实现电压的变换，一般匝数比为1.5：1~2：1。因为初和次线圈直接相连，有跨漏电的危险。所以不能作行灯变压器。
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