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This paper presents a closed-loop space vector modulation (SVM)-based sliding mode controller (SMC) for a three-level grid-connected neutral point clamped (3L-NPC) inverter. The nonlinear SMC based on Gao's reaching law has been designed to control the grid current and inject desired amount of active and reactive power into the network. Due to using single dc source at the NPC inverter dc bus, neutral...
This paper presents a general and yet fast multilevel space-vector modulation technique, based on orientation of reference point in terms of hexagon lines. The main advantage of the proposed algorithm is the reduced volume of calculations that consequently makes it possible for implementing on cheaper microprocessors. The introduced technique in finding the reference vector location is extended to...
This paper presents a new voltage-balancing method of five-level neutral-point clamped inverter, based on space-vector modulation redundant switching states. The proposed method uses measurement of DC-link capacitors and output phase currents in order to determine the best fitted redundancies. Due to its severe approach, the proposed method provides relatively low voltage ripples using low-capacitance...
This paper presents some popular multilevel converter topologies and associated modulation techniques considering advantages for electric transportation (ET) applications including electric vehicles (EVs), charging stations, wireless charging, etc. Cascaded H-Bridge (CHB), Flying Capacitors (FC) and Neutral Point Clamped (NPC) are analyzed. Moreover, mostly used switching techniques in multilevel...
This paper investigates the state-space modeling and real-time simulation of dual-bridge matrix converters (DBMC) based on a DS1104 digital signal processor. This single board controller of dSPACE uses the matlab-simulink software as a front-end for the implementation of graphic models in block- diagram format. First, the state-space model of the converter and the SVM control system are designed with...
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