Comparison of Inverter Topologies for High-Speed Motor Drive Applications
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Author(s)
Qasim, Mohammad
Otten, David M
Lang, Jeffrey H
Kirtley Jr, James L
Perreault, David
Date Issued
2021
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Version
Author's final manuscript
Abstract
This paper investigates and compares the performance
of three-phase inverters and sets of single-phase full-bridge
inverters for motor drive applications. Comparisons are made
for a given semiconductor device area and equal rms phase
current ripple and the regions of the design space in which
each topology is advantageous are identified. It is found that
separate full-bridge inverters are preferable for designs in which
switching losses are dominant, whereas three-phase inverters are
preferable for designs in which conduction losses are dominant.
This result suggests that individual phase drive is desirable in
applications requiring high switching frequencies, as in highspeed,
low-inductance machines.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology. Research Laboratory of Electronics
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