期刊
JOURNAL OF ELECTRONIC MATERIALS
卷 40, 期 5, 页码 867-872出版社
SPRINGER
DOI: 10.1007/s11664-011-1602-4
关键词
Maximum power point tracking (MPPT); MPPT controller; thermoelectric generator (TEG)
资金
- MKE [2009-F-007-01]
- IDEC
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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