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。
Square D Breaker LCL LCL36500 500 Amp A 500A
Square D I-Line Breaker KHB36225 225Amp A 225A NIB
Gould Modicon P180-011 Programming Terminal P180011
Allen Bradley AB 1336S-BRF50 VS Drive MCC Bucket 15A
Foxboro I/A P0400VR Control Processor P0400 VR PO400VR
Square D Breaker LHL3640035M 400 Amp A 400A LHL36400
Square D Sz Size 5 Motor Starter Logic 8536SGO1H20S
Square D PQ-4640 Busway Bus Plug Switch 400 Amp PQ4640