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基于低压电力线的高速载波模块设计
林佳森, 李 智, 李乔峰, 马一森
四川大学 电子信息学院,四川 成都 610065
摘要:
选择有效的方案实现智能电网中的双向实时通信至关重要,电力线载波(PLC)技术提供了一种适合中国国情的低成本解决方案。介绍了OFDM PLC调制技术的优势,通过分析低压电力线通信信道输入阻抗,建立了低压电力线载波模块系统模型。并在关于电力线信道的研究基础上,设计了基于低压电力线的高速载波模块。测试结果表明,该载波模块设计方案具有较高的接收灵敏度和抗噪声能力。
关键词:  智能电网  正交频分复用  电力线载波  阻抗  电力线载波模块
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Design of high-speed PLC module based on low voltage power line
LIN Jia-sen, LI Zhi, LI Qiao-feng, MA Yi-sen
College of Electronic and Information Engineering,Sichuan University,Chengdu Sichuan 610065,China
Abstract:
Effective choice of the solution is essential to achieve a real-time, bi-directional(full- duplex) communication of the smart grid. The Power Line Carrier(PLC) technology provides a low-cost solution, which suits China's own national conditions. In this paper, the advantages of OFDM PLC modulation technology are introduced. A PLC module of system model is established through the analysis of the input impedance under the low-voltage power line channel. The high-speed PLC module based on low-voltage Power Line is also designed according to the studies of power line channel. The results show that the design of the PLC module has featured high receiving sensitivity and anti-noise ability.
Key words:  smart grid  Orthogonal Frequency Division Multiplexing  Power Line Carrier  impedance  PLC module

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