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In recent years, fault tolerance has become one of the most interesting topics because the open-switch faults rise to unbalance of the AC input currents and unable to control DC-link voltage that can cause serious damage to the connected application. This paper proposes a model predictive direct power control (MPDPC) method to tolerance control using a neutralpoint clamped (NPC) topology in a switch...
This paper proposes a modified space vector pulse- width modulation for three-phase z-source integrated charger. This method supplies more shoot-through time than traditional space vector pulse-width modulation for z-source rectifier. So the proposed method has a wider range of output voltage. Besides, when the output voltage is same, the voltage stress across the switches is lower using modified...
This paper has introduced a new uni-directional five-level rectifier, which has less number of devices than the conventional five-level rectifiers. The power output capability of this rectifier is limited and is a function of dc-link voltage and inductance, which is derived in the paper. This paper has also proposed a control method to regulate the dc-link neutral point voltage and flying capacitor...
An open-winding power conversion system with two conventional six-switch voltage-source converters (VSC) affords operation with a lower volt–ampere (VA) rating of each device for a given power rating, as well as a degree of fault tolerance. The disadvantages of such a configuration include a higher total device VA rating and increased conduction loss as compared to a single Y/Δ-connected VSC. In certain...
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