A master thesis from Aalborg University
Medium Voltage Modular Multi-Level Inverter
Author(s)
Term
4. term
Education
Publication year
2009
Submitted on
2009-06-03
Pages
0 pages
Abstract
This project presents the design, building and control of a three phase modular multilevel inverter. The inverter is simulated with respect to the 3 main modulation methods and 3 submodulation methods. The design and the way units are connected are also explained with direct link to their functionality. The inverter topology, a cascaded full H-Bridge inverter allows a multi-level functionality with 9 levels line-to-line and 5 levels line-to-neutral. The modulation strategies are explained for the simulations as well as for the FPGA implementation. The control was simulated using Simulink and Plecs toolboxes inside the Matlab platform. Also FPGA code simulation were carried out. The main aspects of the modulations were expresses the main focus being the simulation and construction of the inverter in order to provide a working platform for either motor control or grid connection.
Documents
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