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电热剪变压器老是烧坏的维修
作者:管理员    发布于:2014-02-26 14:22:18    文字:【】【】【
摘要:电热剪变压器老是烧坏的维修

导致变压器老是烧坏的根本原因是变压器功率不够造成的。由功率与电压、电阻、电流之间的关系( )可知,在变压器输出功率不变的条件下,会对应一个额定电流和电热剪的基本电阻,如果使用的电热剪电阻变大(比电热剪的基本电阻),则电热剪实际发热功率小于变压器输出的额定功率,变压器使用时就不会产生过载。反之,使用的电热剪电阻变小(比电热剪的基本电阻),则电热剪实际发热功率大于变压器输出的额定功率,变压器使用时就会产生过载,长时间使用就会烧坏变压器。笔者建议在定制变压器时,应让电器专业人员参与,把电热剪的实际电参数告知变压器生产厂家,让厂家根据电热剪使用电参数来确定变压器的线径、匝数、匝比、铁芯等参数,就不会出现老是烧坏变压器的现象了。

The basic reasons for transformer is always burn was caused by transformer power is not enough. Power, voltage, resistance and the relationship between the current (), under the condition of transformer output power is constant, will correspond to a rated current and electric shear resistance, if use electric shear resistance is bigger (than the basic electric shear resistance), the electric heating cutting actual heating power less than the rated power of output transformer, transformer are not produced when using overload. On the other hand, the use of electric heating shear resistance smaller (than basic electric shear resistance), the electric heating cutting actual heating power is greater than the rating of the transformer output power, transformer overload occurs when using, will burn out transformer used for a long time. The author suggested that when custom transformer, should make

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