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Three-Level Converters For Low Voltage Active Front End Motor Drives, Marzieh Karami
Three-Level Converters For Low Voltage Active Front End Motor Drives, Marzieh Karami
Theses and Dissertations
Electric drives with Active Front End (AFE) converters can provide benefits such as lower harmonic current injections to the grid, smaller size filters, lower THD values and cost saving for injection of power to the grid in brake situations. SiC-MOSFET based two-level converters can be a promising topology for Active Front End (AFE) application in electric drives. The possibility of high switching frequency will make the grid filters smaller. Grid filters are used for EMC and power quality issues. However, there are practical limitations for increasing the switching frequency such as dead time in the gating signals, sampling requirements, and …