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A Digital Coreless Maximum Power Point Tracking Circuit for Thermoelectric Generators

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Abstract

This paper describes a maximum power point tracking (MPPT) circuit for thermoelectric generators (TEG) without a digital controller unit. The proposed method uses an analog tracking circuit that samples the half point of the open-circuit voltage without a digital signal processor (DSP) or microcontroller unit for calculating the peak power point using iterative methods. The simulation results revealed that the MPPT circuit, which employs a boost-cascaded-with-buck converter, handled rapid variation of temperature and abrupt changes of load current; this method enables stable operation with high power transfer efficiency. The proposed MPPT technique is a useful analog MPPT solution for thermoelectric generators.

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Authors and Affiliations

  1. School of Integrated Technology, Yonsei University, Seoul, 120-749, Korea

    Shiho Kim

  2. Department of Electrical Engineering, Chungbuk National University, Chungbuk, 361-763, Korea

    Sungkyu Cho, Namjae Kim & Nyambayar Baatar

  3. Department of Computer Engineering, Kyungwon University, Kyungki-do, Sungnam, 461-701, Korea

    Jangwoo Kwon

Authors
  1. Shiho Kim
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  2. Sungkyu Cho
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  3. Namjae Kim
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  4. Nyambayar Baatar
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  5. Jangwoo Kwon
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Correspondence to Shiho Kim.

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Kim, S., Cho, S., Kim, N. et al. A Digital Coreless Maximum Power Point Tracking Circuit for Thermoelectric Generators. J. Electron. Mater. 40, 867–872 (2011). https://doi.org/10.1007/s11664-011-1602-4

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  • DOI: https://doi.org/10.1007/s11664-011-1602-4

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