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Single-Inductor, Dual-Input CCM Boost Converter for Multi-Junction PV Energy Harvesting


Abstract This thesis presents a power harvesting system combining energy from sub-cells of

multi-junction photovoltaic (MJ-PV) cells. A dual-input, inductor time-sharing boost

converter in continuous conduction mode (CCM) is proposed. A hysteresis inductor current

regulation in designed to reduce cross regulation caused by inductor-sharing in CCM. A

modified hill-climbing algorithm is implemented to achieve maximum power point

tracking (MPPT). A dual-path architecture is implemented to provide a regulated 1.8V

output. A proposed lossless current sensor monitors transient inductor current and a time-based power monitor is proposed to monitor PV power. The PV input provides power of

65mW. Measured results show that the peak efficiency achieved ... (more)
Created Date 2017
Contributor Peng, Qirong (Author) / Kiaei, Sayfe (Advisor) / Bakkaloglu, Bertan (Committee member) / Ogras, Umit (Committee member) / Arizona State University (Publisher)
Subject Engineering
Type Masters Thesis
Extent 51 pages
Language English
Note Masters Thesis Engineering 2017
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis