阻尼电阻的工作原理 阻尼电阻的作用

Release time：2023-10-26
author：AMEYA360
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　　阻尼电阻是根据电阻在电路中的作用而命名的。有些电路为了防止回路构成等幅震荡，在线路中串联或并联电阻来消耗掉一部分能引起震荡的能量，这个电阻叫阻尼电阻。

阻尼电阻的工作原理 阻尼电阻的作用

　　一、阻尼电阻工作原理

　　阻尼电阻的原理是在自激振荡产生后，电位必定上升，在电路中加入阻尼电阻就可以抑制这上升的电压，就可以阻止自激振荡的产生。

　　二、阻尼电阻作用

　　为了有效吸收整流变压器二次回路的高次谐波成分，防止输出回路发生谐振，有效保护整流变压器，在整流变压器输出端必须设置阻尼电阻。在任何情况下，绝对不允许将整流变压器输出不经阻尼电阻直接与电场相连。

　　电除尘器整流变压器匹配阻尼电阻的参数大小，目前国家还没有统一标准。阻尼电阻的额定功率一定要大于其阻值和二次额定电流平方的乘积，并且要留有一定的安全余量。


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