Development of a Thermal Energy Harvesting Converter with Multiple Inputs and an Isolated Output

Yeu-Torng Yau, Kuo-Ing Hwu and Jenn-Jong Shieh
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Yeu-Torng Yau: Department of Ph.D. Program, Prospective Technology of Electrical Engineering and Computer Science, National Chin-Yi University of Technology, No. 57, Sec. 2, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan
Kuo-Ing Hwu: Department of Electrical Engineering, College of Electrical Engineering & Computer Science, National Taipei University of Technology, 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan
Jenn-Jong Shieh: Department of Electrical Engineering, College of Information & Electrical Engineering, Feng Chia University, No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan

Energies, 2021, vol. 15, issue 1, 1-25

Abstract: In this paper, an isolated multi-input single-output (MISO) converter is developed and applied to a thermoelectric energy conversion system to harvest thermal energy. The thermoelectric generators have individual maximum power point tracking functions. Furthermore, such a converter has a high step-up voltage conversion ratio. In addition, the presented converter is imposed on the thermoelectric energy conversion system with the three-point weighting strategy adopted to realize the maximum power point tracking (MPPT). In this paper, the basic principles of this converter are first described and analyzed, and finally some simulated and experimental results are offered to verify the feasibility and effectiveness of such a thermal energy harvesting system.

Keywords: coupled inductor; FPGA; galvanic isolation; MISOC; thermal energy harvesting; thermoelectric module; three-point perturbation and observation method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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