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An improved modulation method for matrix converters with unbalanced output loading
conference contribution
posted on 2017-12-06, 00:00 authored by MD Sawkat AliMD Sawkat Ali, Peter WolfsPeter WolfsIn this paper Instantaneous Reactive Power (IRP) theory is applied to develop an improved modulation method for Matrix Converters (MCs) operating with unbalanced loads. IRP theory shows that, for unbalanced loading conditions, the instantaneous power contains a constant component and a component that fluctuates at twice the fundamental frequency. In conventional modulation schemes the power fluctuation results in input current harmonics. The new method removes the harmonic distortion by synthesizing an input current vector that contains positive and negative sequence components that satisfy the power balance requirements but have only fundamental frequency components. The paper shows that the conventional modulation method may be converted to produce the required input current vector by phase modulation of the input current vector.
History
Start Page
1End Page
6Number of Pages
6Start Date
2014-01-01Finish Date
2014-01-01Location
Perth, AustraliaPublisher
IEEEPlace of Publication
Piscataway, NJPublisher DOI
Full Text URL
Peer Reviewed
- Yes
Open Access
- No
External Author Affiliations
School of Engineering and Technology (2013- ); TBA Research Institute;Era Eligible
- Yes