描述
为了减少动力电缆辐射电磁干扰,尤其是变频装置馈电电缆。笔者在某工程中,采用了铜带铠装屏蔽电力电缆,从而降低了动力线生产的电磁干扰,该工程投产后取得了满意的效果。
不同类型的信号分别由不同电缆传输,信号电缆应按传输信号种类分层敖设,严禁用同一电缆的不同导线同时传送动力电源和信号,避免信号线与动力电缆靠近平行敖设,以减少电磁干扰。
HP / Agilent 779D Directional Coupler 1.7-12.4GHz
HP / Agilent 8482H Power Sensor 30uW-3W, 50 ohm
NARDA 2358-6, Directional Coupler 5.4-11 GHZ, 6 DB
HP / Agilent 355C VHF Attenuator
Agilent / HP 71500A Microwave Transition Analyzer 40GHz
Racal 1260-12 Relay Actuator Module with Warranty
Agilent/HP E1750A VXI Broadband Distribution Amplifier
Agilent / HP 8752C RF Network Analyzer 3 GHz w/Warranty
Anritsu MP1764A w/ Opt 01 Error Detector w/ Warranty
Agilent / HP E5252A 10 X 12 Switch Matrix Card
HP 3708A Noise & Interference Test Set with Warranty
Agilent / HP 8349B Microwave Amplifier, 2 to 20 GHz
Agilent E4406A VSA Transmitter Tester, 7MHz – 4GHz BAE