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Power quality issues of switch mode converters are becoming a matter of concern due to the rapid growth of renewable energy resources. Voltages and currents of power network system are commonly affected by harmonics produced by power converters. This paper presents formulation of analytical equations to determine the input current and output voltage harmonics of three phase to three phase matrix converter...
The device switching frequency of current source converters (CSCs) in high-power medium-voltage applications is usually several hundred Hz. Selective harmonic elimination (SHE) has been the dominant modulation scheme because of its capability to eliminate unwanted low-order harmonics at low switching frequencies. Conventional space vector modulation (SVM), as another CSC modulation scheme, provides...
The authors contrast two topologies for direct AC-AC matrix converters: namely, a conventional three-phase matrix converter and a novel six-phase matrix converter. Comparison of the relative performances is made with regard to voltage and current harmonics, and impact of dead time in the firing pulses on harmonic distortion. A performance study of each topology feeding a passive load is carried out...
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