基于多进制正交幅度调制的交错并联DC-DC变换器能量信息一体化技术

doi:10.19595/j.cnki.1000-6753.tces.211241

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Abstract The power electronic converters realize the transmission of data information while converting and transmitting power through the compound modulation of power and data information, and achieve the power information integration, which greatly promotes the digitization and intelligence of power electronic devices. In order to further improve the communication rate in the power information integration of converters, this paper proposes a power information integration technology based on Multiple Quadrature Amplitude Modulation (MQAM) for the circuit structure of interleaved parallel DC-DC converters. First, the principle of power information integration of interleaved parallel converters based on MQAM was introduced. Then the mathematical model of the converter's transmission of power and information was established and analyzed. Furthermore, animplementation method of the MQAM-based power information integration suitable for converters was proposed, so that the converters can still transmit information under load change conditions. Finally, an interleaved parallel 5V/10V boost converter verified the proposed technology. Under the condition of reliable conversion and transmission of power, this technology greatly increases the communication rate. It can be used as a reference for power electronic converters to achieve high-level power information integration.

Key words： Interleaved parallel DC-DC converters power information integration multiple quadrature amplitude modulation (MQAM) switching ripple

Received: 11 August 2021

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TM46

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	Articles by authors
	Guo Hao
	Li Yan
	Hou Bingbing
	Jing Yongteng

Cite this article:

Guo Hao,Li Yan,Hou Bingbing等. Power Information Integration Technology of Interleaved Parallel DC-DC Converters Based on MQAM[J]. Transactions of China Electrotechnical Society, 2022, 37(14): 3620-3631.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.211241 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I14/3620

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