频器在很多个领域都有广泛的应用。变频器在使用的过程总会发生干扰DCS信号的问题，那么什么样的措施可以有效的处理干扰问题呢?下面小编就来为大家具体介绍一下处理的措施吧。
合理布线
能在相当大程度上削弱干扰信号的强度，布线时，各种设备的控制线应尽量远离变频器的输入、输出线。控制线在空间上，应尽量和变频器的输入、输出线交叉，*好是垂直交叉。
削弱干扰源
接入电抗器或滤波器，对小功率变频器，成本较高，我们采用一种低成本的电磁干扰抑制方法：将电机电缆从铁氧体环中穿过，使穿过部分导线的阻抗局部增大，阻止电磁干扰电流通过。如将导线在铁氧体环上绕几圈，总的电感和阻抗值将随圈数的平方而增大。电机电缆可从铁氧体环中穿过三次。但应注意，连接电机和变频器的接地线应留在环外。
对线路进行屏蔽
变频器到电动机之间的连接线，应尽量穿入金属管内，金属管应该接地。信号线屏蔽层不论是接公共端还是接地，都只能在一端进行，切不可两端都接。
准确接地
接地线应尽量地粗一些，接地点应尽量靠近变频器;接地线应尽量远离电源线;变频器所用地接地线，必须和其他设备地接地线分开;必须绝对避免把所有设备的接地线连在一起后再接地;变频器的接地端子不能和电源的零线;相接。
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