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This paper proposes a new type of three-phase AC-AC Z-Source converters which are derived from matrix converter (MC) theories. The proposed converters are capable of three-phase AC-AC power conversion and, except for exhibiting the input characteristics of MC: controllable (unity, leading and lagging) input power factor, it does overcome the two main drawbacks of MC: limited voltage transfer ratio...
An improved space vector modulation (SVM) approach for matrix converter (MC) operation in unbalanced and non-sinusoidal input voltage condition was presented. The concept of modulation vector was introduced, and the relationship of output voltage and input voltage of MC by space vector denotation was deduced. Using the modulation vector approach, an improved SVM approach was proposed to improve the...
Matrix converter is a direct AC-AC converter, has received considerable interest as a viable alternative to the conventional back-to-back PWM converter. In this paper, the direct space vector modulation (DSVM) technique is applied to the matrix converter. This technique is considered the best as it achieves the highest voltage transfer ratio (0.866). The performance of 3Phi to 3Phi matrix converter...
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