NDLI: Comparison of maximum power point control methods for thermoelectric power generator

Content Provider	IEEE Xplore Digital Library
Author	Nagayoshi, H. Kajikawa, T. Sugiyama, T.
Copyright Year	2002
Description	Author affiliation: Tokyo Nat. Coll. of Technol., Japan (Nagayoshi, H.)
Abstract	This paper describes the comparison of operating point control methods such as maximum power point tracking control (MPPT) and a constant voltage control applied to the thermoelectric devices. To experimentally evaluate the power control methods, a one-chip micro controller controlled DC-DC converter was inserted between the thermoelectric module and a load. The derived power from the module by constant voltage control is the same with the MPPT control method if the temperature difference keeps constant value. On the other hand, a mismatch power loss of constant voltage method increases with a fluctuation magnitude from the reference value and the fluctuation frequency. The maximum mismatch power loss of constant voltage method by fluctuation is around 20% regardless of a change of maximum temperature difference when the reference output voltage coincides with the optimized value of the maximum temperature difference.
Starting Page	450
Ending Page	453
File Size	216736
Page Count	4
File Format	PDF
ISBN	0780376838
DOI	10.1109/ICT.2002.1190358
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thermoelectricity Power generation Voltage control Thermoelectric devices Power control DC-DC power converters Temperature control Frequency Voltage fluctuations Optimization methods
Content Type	Text
Resource Type	Article

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