A Fully PCB Integrated Self-Powered Micro Generator for Vibration Electromagnetic Harvesting

被引：0

作者：

Chen, Jiahua ^{[1
]}

Peng, Han ^{[1
]}

Feng, Zhijie ^{[1
]}

Chen, Yu ^{[1
]}

Zeng, Chenhang ^{[1
]}

Kang, Yong ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol AE, Wuhan, Peoples R China

来源：

2020 THIRTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2020) | 2020年

关键词：

Fully PCB integrated; energy harvesting; micro-generator; boundary conduction mode; GaN HEMT; ENERGY; DESIGN;

D O I：

10.1109/apec39645.2020.9124127

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A compact and efficient self-powered micro-power system, composing of energy harvesting unit and electric power conversion unit is the most promising candidate to support widely distributed information equipment to overcome the constraints of wired and portable power supply. However, current works fail to provide an integrated and optimized system, which suffer from large attenuation loss. Thus, the output power is too micro for board applications with unsatisfied efficiency. To overcome those problems, this paper proposes a novel PCB integrated self-powered micro-electric generator for vehicle engine vibration harvesting. The generator windings and power conversion unit are implemented on same PCB substrate. The micro-generator has the output of +/- 2341.85mV AC at 52.3Hz. An all GaN high frequency dual-boost AC-DC converter with boundary conduction mode is employed with impedance matching for maximum power transferring. It also utilizes the output inductance of micro-generator as boost inductor and sensing inductor. The peak output efficiency of the converter reaches to 83% at 3.3V/21.35mW output, which is much higher than state-of-art.

引用

页码：3594 / 3599

页数：6

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