A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †

This paper proposes a new maximum power point tracking (MPPT) algorithm for thermoelectric generators (TEG). The new-presented method is based on implementing an indirect open circuit voltage detection and short circuit current estimation methods, which will be used to directly control the TEG inter...

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Main Authors: Zakariya M. Dalala, Osama Saadeh, Mathhar Bdour, Zaka Ullah Zahid
Format: Article
Language:English
Published: MDPI AG 2018-07-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/11/7/1826
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author Zakariya M. Dalala
Osama Saadeh
Mathhar Bdour
Zaka Ullah Zahid
author_facet Zakariya M. Dalala
Osama Saadeh
Mathhar Bdour
Zaka Ullah Zahid
author_sort Zakariya M. Dalala
collection DOAJ
description This paper proposes a new maximum power point tracking (MPPT) algorithm for thermoelectric generators (TEG). The new-presented method is based on implementing an indirect open circuit voltage detection and short circuit current estimation methods, which will be used to directly control the TEG interface power converter, resulting in reaching the maximum power point (MPP) in minimal number of steps. Two modes of operation are used in the proposed algorithm, namely the perturb and observe (P&O) method for fine-tuning and the transient mode for coarse tracking of the MPP during fast changes that occur to the temperature gradient across the structure. A novel voltage sensing technique as well is proposed in this work, to reduce the number of voltage sensors used to control and monitor the power converter. The proposed strategy employs a novel approach to sense two different voltages using the same voltage sensor. The input and output voltage information is collected from an intermediate point in the converter. The reconstructed voltages are used in the control loops as well as for monitoring the battery output or load voltages. Simulation and experimental results are provided to validate the effectiveness of the proposed algorithm and the sensing technique.
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spelling doaj.art-b2992655c4ba4bb1af697edd1a4448732022-12-22T02:19:19ZengMDPI AGEnergies1996-10732018-07-01117182610.3390/en11071826en11071826A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †Zakariya M. Dalala0Osama Saadeh1Mathhar Bdour2Zaka Ullah Zahid3Energy Engineering Department, German Jordanian University, Amman 11180, JordanEnergy Engineering Department, German Jordanian University, Amman 11180, JordanEnergy Engineering Department, German Jordanian University, Amman 11180, JordanDepartment of Electrical Engineering, University of Engineering and Technology, Lahore 54890, PakistanThis paper proposes a new maximum power point tracking (MPPT) algorithm for thermoelectric generators (TEG). The new-presented method is based on implementing an indirect open circuit voltage detection and short circuit current estimation methods, which will be used to directly control the TEG interface power converter, resulting in reaching the maximum power point (MPP) in minimal number of steps. Two modes of operation are used in the proposed algorithm, namely the perturb and observe (P&O) method for fine-tuning and the transient mode for coarse tracking of the MPP during fast changes that occur to the temperature gradient across the structure. A novel voltage sensing technique as well is proposed in this work, to reduce the number of voltage sensors used to control and monitor the power converter. The proposed strategy employs a novel approach to sense two different voltages using the same voltage sensor. The input and output voltage information is collected from an intermediate point in the converter. The reconstructed voltages are used in the control loops as well as for monitoring the battery output or load voltages. Simulation and experimental results are provided to validate the effectiveness of the proposed algorithm and the sensing technique.http://www.mdpi.com/1996-1073/11/7/1826maximum power point trackingopen circuit voltageperturb and observethermoelectric generator
spellingShingle Zakariya M. Dalala
Osama Saadeh
Mathhar Bdour
Zaka Ullah Zahid
A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †
Energies
maximum power point tracking
open circuit voltage
perturb and observe
thermoelectric generator
title A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †
title_full A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †
title_fullStr A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †
title_full_unstemmed A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †
title_short A New Maximum Power Point Tracking (MPPT) Algorithm for Thermoelectric Generators with Reduced Voltage Sensors Count Control †
title_sort new maximum power point tracking mppt algorithm for thermoelectric generators with reduced voltage sensors count control †
topic maximum power point tracking
open circuit voltage
perturb and observe
thermoelectric generator
url http://www.mdpi.com/1996-1073/11/7/1826
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