A Thermoelectric Energy Harvesting System with Bridgeless Boost/Buck-Boost Rectifier

被引：0

作者：

Taeda, Keita ^{[1
]}

Shiina, Norihiro ^{[1
]}

Kimura, Keisuke ^{[1
]}

Koizumi, Hirotaka ^{[1
]}

机构：

[1] Tokyo Univ Sci, Dept Elect Engn, Katsushika Ku, 6-3-1 Niijuku, Tokyo, Japan

来源：

IECON 2017 - 43RD ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2017年

关键词：

CONVERTER; CIRCUIT;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In recent years, thermoelectric generator (TEG) is expected as a power supply source for wireless sensor nodes. An open circuit voltage of TEG is proportional to a temperature difference between each side of TEG. TEG has a maximum power point (MPP) because of the large internal resistance. Therefore, maximum power point tracking (MPPT) control is needed to track the MPP against temperature variation. Temperature difference between a room and outside air changes depending on the season and time. Therefore, polarity of output voltage of TEG can be reversed. This paper proposes a thermoelectric power generation system which is composed of a bridgeless boost/buck-boost rectifier and a microcontroller. The bridgeless boost/buck-boost rectifier is used as a bipolar input DC-DC converter. The MPPT algorithm based on the open circuit voltage method is installed. The circuit operation has been confirmed by circuit experiment.

引用

页码：720 / 725

页数：6

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