Feasibility study of adding a common-mode choke in PLC modem for EMI suppression

被引：4
|
作者：
See, K. Y. [1 ]
So, P. L. [1 ]
Kamarul, A. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Network Technol Res Ctr, Singapore 639798, Singapore
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2007年 / 22卷 / 04期
关键词：
common-mode choke; electromagnetic analysis; electromagnetic interference; power system communication;
D O I：
10.1109/TPWRD.2007.905274
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The feasibility of adding a common-mode (CM) choke in the analog front end (AFE) circuit of a power line communication (PLC) modem to reduce the CM noise coupling onto the power line is investigated. Based on a two-current-probe measurement approach, the CM and the differential-mode (DM) equivalent electrical models of a PLC modem are first developed. Both the CM and the DM attenuations due to the addition of a CM choke when the PLC modem is connected onto the power line network are then determined. Besides the CM noise attenuation, the impact of the CM choke on the PLC signal, which is DM in nature, is also studied.
引用
收藏
页码：2136 / 2141
页数：6
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