A stacked full-bridge microinverter topology for photovoltaic applications
Name
872113102-MIT.pdf
Description
Full printable version
Size
3.55 MB
Format
Adobe PDF
Checksum (MD5)
a1d9d4f862625ed4d86c6e3255e08add
Author(s)
Yogeswaran, Kesavan
Advisor(s)
David J. Perreault.
Alternative Title
New topology for high-efficiency solar microinverters
Date Issued
2012
Publisher
Massachusetts Institute of Technology
Abstract
Previous work has been done to develop a microinverter for solar photovoltaic applications consisting of a high-frequency series resonant inverter and transformer section connected to a a cycloconverter that modulates the resonant current into a single-phase 240 VRMS utility line. This thesis presents a new stacked full-bridge topology that improves upon the previous high-frequency inverter section. By utilizing new operating modes to reduce the reliance on frequency control and allowing for the use of lower blocking voltage transistors, the operating frequency range of the HF inverter is reduced and efficiency is increased, especially at low output powers and lower portions of the line cycle. The design of an experimental prototype to test the stacked full-bridge HF inverter topology is presented along with test results that demonstrate the success of the topology. Future improvements to increase performance are also suggested.
Description
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2012.
Title as it appears in MIT degrees awarded program, September 19, 2012: A new topology for high-efficiency solar microinverters Cataloged from PDF version of thesis.
Includes bibliographical references (pages 95-96).
Subjects
Electrical Engineering and Computer Science.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Terms of Use
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