A02B-0072-C001

A02B-0072-C001;
A02B-0072-C001現(xiàn)貨；
A02B-0072-C001供應(yīng)。

合理布線
能在相當(dāng)大程度上削弱干擾信號的強(qiáng)度，布線時，各種設(shè)備的控制線應(yīng)盡量遠(yuǎn)離的輸入、輸出線?？刂凭€在空間上，應(yīng)盡量和變頻器的輸入、輸出線交叉，是垂直交叉。
削弱干擾源
接入電抗器或濾波器，對小功率變頻器，成本較高，我們采用一種低成本的電磁干擾方法：將電機(jī)電纜從鐵氧體環(huán)中穿過，使穿過部分導(dǎo)線的阻抗局部增大，阻止電磁干擾電流通過。如將導(dǎo)線在鐵氧體環(huán)上繞幾圈，總的電感和阻抗值將隨圈數(shù)的平方而增大。電機(jī)可從鐵氧體環(huán)中穿過三次。但應(yīng)注意，連接電機(jī)和變頻器的 接地線應(yīng)留在環(huán)外。
對線路進(jìn)行屏蔽
變頻器到電動機(jī)之間的連接線，應(yīng)盡量穿入金屬管內(nèi)，金屬管應(yīng)該接地。信號線屏蔽層不論是接公共端還是接地，都只能在一端進(jìn)行，切不可兩端都接。
準(zhǔn)確接地
接地線應(yīng)盡量地粗一些，接地點應(yīng)盡量靠近變頻器;接地線應(yīng)盡量遠(yuǎn)離電源線;變頻器所用地接地線，必須和其他設(shè)備地接地線分開;必須避免把所有設(shè)備的接地線連在一起后再接地;變頻器的接地端子不能和電源的零線;相接。


　　28、飯疏食，飲水，曲肱而枕之，樂亦在其中矣。不義而富且貴，于我如浮云?！墩撜Z》
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