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MULTILEVEL converters compare with the conventional two-level converters provide noticeable advantages such as lower harmonic distortion, lower switching frequency, lower switching losses, and lower stress across the semiconductor switches. To improve the output quality of multilevel converters, different modulation techniques have been suggested in the literature. The most suitable modulation technique...
Multilevel converters are attractive solution for high-power high-voltage applications such as motor drive systems, active filters, and flexible AC transmission systems (FACTS). Several modulation techniques are proposed for multilevel converters. Among them, selective harmonic elimination (SHE) offers high quality voltage waveform with low switching frequency which is especially suitable for high-power...
In this work, a Model Predictive Control (MPC) strategy that combines Finite-Control-Set MPC (FCS-MPC) with Selective Harmonic Elimination (SHE) modulation pattern in its formulation is proposed to govern power converters. The key idea here is to define a desired steady-state in terms of the converter current and voltage. To do this, based on the converter current (system state) reference, an associated...
Traditional methods, such as Modulating-Functios, Space-Vectors and Feedback Methods present the disadvantage of high residual harmonics. Selective Harmonic Elimination (SHE) generates trains of pulses such as the fundamental component of the resulting waveform has a specified frequency and amplitude while selected order harmonics are eliminated. To achieve this goal, a set of nonlinear equations...
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