| 基于低压电力线通信的信号耦合电路设计 |
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| 引用本文： | 蔡红娟,贺良华.基于低压电力线通信的信号耦合电路设计[J].电力科学与工程,2007,23(1):49-51. |
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| 作者姓名： | 蔡红娟 贺良华 |
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| 作者单位： | 中国地质大学,机电学院,湖北,武汉,430074 |
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| 摘 要： | 通过对低压电力网的结构及其传输特性进行分析,从频带要求、工作衰减要求以及高频阻抗特性分析三方面入手,研究了基于低压电力网的高频载波信号耦合技术。设计了适合低压电力线载波通信系统的宽带耦合电路,为高频信号的高速传输提供了具有良好的阻抗特性和较小的工作衰减的接口电路,并有效地抑制了电路瞬时现象。
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| 关 键 词： | 低压电力线 高频载波 宽带耦合 |
| 修稿时间： | 2006年11月25 |
Design of Coupling Circuit for Communications in Low-voltage Power Line |
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| CAI Hong-juan,HE Liang-hua.Design of Coupling Circuit for Communications in Low-voltage Power Line[J].Power Science and Engineering,2007,23(1):49-51. |
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| Authors: | CAI Hong-juan HE Liang-hua |
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| Abstract: | Based on theanalysis of structure and transmission characteristics of the low-voltage powerline,the high frequency carrier signal coupling technology based on low-voltage power line is studied,including the analysis of the bandwidth requirements,work attenuation requirements and HF impedance characteristics.The design of broadband coupling for low-voltage power line communications systems is described.In this application,good impedanceperformance is provided and workattenuationisreduced for high frequency carrierwith highspeed.The high level of protection against transient problem is provided. |
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| Keywords: | low-voltage power line high frequency carrier broadband coupling |
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