简单的电力线通信使用开关转换器

T. Kohama, Shunsuke Kita, S. Tsuji
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引用次数: 0

摘要

本文提出了直流配电网系统中DC-DC变换器之间的简单电力线通信(PLC)方法。该方法利用变换器输入端的电流纹波作为信号载波,其频率随信息数据的变化而变化。该调制器只需在传统的PWM控制电路中加入一个晶体管和一个电阻即可实现。用简单的模拟电路实现解调。采用该方法,转换器能够在系统中所有转换器之间进行双向数据传输。电路仿真结果表明了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simple power line communication using switching converters
This paper proposes simple power line communication (PLC) method among DC-DC converters in DC distribution network system. In this method, current ripples in the converters' inputs are used as signal carrier whose frequency is modified as a function of information data. The modulator is easily realized by just adding a transistor and a resister to conventional PWM control circuit. Demodulator is also realized by simple analog circuit. With proposed method, the converters are capable of bidirectional data transmissions among all converters in the system. Circuit simulation results show the effectiveness of proposed method.
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