School of
Information Technology and Electrical Engineering

Three-Phase Parallel Multilevel Inverters

Jordan PierceTue, 12/06/2012 - 09:30
Prof. Andrew Bradley

Parallel multilevel converters introduce an ability toachieve high power outputs using standard semiconductors.  They are now widely used in industry for both increasing the output power capability of dc-dc converters and decreasing the required filters. However, little work has assessed their application to inverters. Analysis of the application of these converter circuits to variable speed drives for low inductance motors shows that the best method for dc-dcconverters has a bad influence on the performance of the drive. An alternative parallel circuit configuration can be optimised for three-phase converters which yields improved load sharing between parallel phases and a further reduction in the size of the filters. Experimental results verify the analysis.

Seminar Type: 

Thesis Review