NDLI: An optimized MPPT circuit for thermoelectric energy harvester for low power applications

Content Provider	IEEE Xplore Digital Library
Author	Ko Ko Win Dasgupta, S. Panda, S.K.
Copyright Year	2011
Description	Author affiliation: Department of Electrical and Computer Engineering, National University of Singapore (Ko Ko Win; Dasgupta, S.; Panda, S.K.)
Abstract	A novel approach of maximum power point tracking (MPPT) control method for thermoelectric generator (TEG) is reported in this paper. The maximum power point tracking is achieved by using impedance matching principle. Unlike the existing MPPT methods, the proposed implementation does not require any voltage and current sensors and computations of any nature. The implementation of the MPPT control circuit is carried out using buck-boost DC/DC converter and a simple gating signal generator using only one Op-amp. The proposed method needs the least power consumption of the MPPT control circuit — less than 250μW. Experimental tests results obtained from series connected 3×TEGs (24 mm × 6 mm) show an average power harvesting of 5.6mW at ΔT of 24°C. The proposed thermoelectric energy harvester is used to power a battery which subsequently feeds a sensor node. The low power thermoelectric energy harvester system provides an overall power management circuit efficiency of up to 85%. The efficiency calculation takes care of power losses in the MPPT circuit.
Starting Page	1579
Ending Page	1584
File Size	349904
Page Count	6
File Format	PDF
ISBN	9781612849584
ISSN	21506086
e-ISBN	9781612849577
e-ISBN	9781612849560
DOI	10.1109/ICPE.2011.5944535
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-30
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance matching DC-DC power converters Ultra-low power MPPT circuit for TEG Sensors Batteries Impedance Energy harvesting High performance MPPT control Constant impedance matching MPPT control circuit Power generation Low power thermoelectric energy harvesting circuit
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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