描述
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。
RAYTHEON Modulation and Monitoring PEC 808415/001/006
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Agilent 880957-809 ZORBAX PSM 3000 Analytical NEW
Agilent 301-211-HSP Transfer Line, 1m ss deactivated AA
Lot 500 HARWIN M50-315 M50-3152042 SurfaceMount Sockets
Agilent 880995-209 300SB-C3 Semi-Prep HPLC Column NEW
SKYMASTS S.CDA Cardioid dipole array 161-162MHz Antena
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