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基于开关纹波调制的电源线通信技术

, PP. 166-172

Keywords: 开关纹波,电力线载波通信,电力电子电路,频移键控

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Abstract:

利用电力电子电路产生的开关纹波作为通信载波进行数据传输,是实现电力电子装置网络化的方式之一。本文提出了基于开关纹波调制实现数据通信的基本原理,以及在不影响功率变换器工作情况下实现开关纹波调制的方法。针对输入端并联的分布式Boost电路,分析了主电路的纹波信号模型,并通过实验实现了基于纹波调制的FSK通信系统。该技术将数据传输机制直接嵌入电力电子变换电路,是一种低成本实现电源线载波通信的方法。

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