描述
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。
From United States
Dell Poweredge 2950 JU081 750w Power Supply N750P-S0
From United States
Vacuum General 80-6B Baratron Pressure Display Guage
From United States
Canon PowerShot A590 IS 8.0 Megapixel AS IS Parts
From United States
Buchi R-151 R-152 Rotovap Vapor/Steam Duct 11861
Fanuc A16B-1000-0140/07A Motherboard Main RC controller
From United States
Fanuc Hitachi BMU PCB BEJ-0802-01 Circuit Board