A novel maximum power point tracker for thermoelectric generation system |
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| Affiliation: | 1. Department of Electrical Engineering, National Taiwan University of Science and Technology, No.43, Sec. 4, Keelung Road, Taipei 106, Taiwan, ROC;2. Photovoltaic Technology Division System Application Department, Green Energy and Environment Research Laboratories, ITRI, Hsinchu, Taiwan, ROC;3. Department of Electrical Engineering, Lunghwa University of Science and Technology, Taoyuan City, Taiwan, ROC;1. Laboratory of Environmental and Energy Efficient Design of Buildings and Settlements, Department of Environmental Engineering, Democritus University of Thrace, Vas.Sofias 12, Xanthi 67 100, Greece;2. Centre for Renewable Energy Sources and Saving, Solar Thermal Systems Department, 19th km Marathon Ave., Pikermi 19009, Greece;3. Process Equipment Design Laboratory, Department of Mechanical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece;1. Dipartimento di Automatica e Informatica, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy;2. Dipartimento Energia, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy;1. University of Zagreb, Faculty of Electrical Engineering and Computing, Unska 3, HR-10000 Zagreb, Croatia;2. GULIN Automation and Control Ltd., Put kroz Meterize 33, HR-22000 Šibenik, Croatia |
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| Abstract: | In this paper, a novel hybrid maximum power point tracking (MPPT) method is proposed and investigated. The proposed MPPT technique combines the simplicity of perturb and observe (P&O) method and the fast tracking ability of open circuit voltage (OCV) method. The advantages of the proposed MPPT approach include fast tracking speed, no additional circuit required and no temporary power loss. To validate the feasibility of the proposed MPPT technique, an 1.2 kW thermoelectric generation system for industrial waste heat recovery is also constructed, experimental results show that comparing with conventional P&O technique, the proposed method can improve the tracking speed for 42.9% and 86.2% when temperature differences are ΔT = 60 °C and ΔT = 180 °C, respectively. Moreover, the energy loss can be improved by 24.0% and 87.0% when temperature differences are ΔT = 60 °C and ΔT = 180 °C, respectively. |
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| Keywords: | Maximum power point tracking Thermoelectric generation system Industrial waste heat |
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