A simple current control strategy for a four-leg indirect matrix converterTools Garcia, Cristian, Rivera, Marco, Lopez, Miguel, Rodriguez, Jose, Pena, Ruben, Wheeler, Patrick and Espinoza, Jose (2014) A simple current control strategy for a four-leg indirect matrix converter. IEEE Transactions on Power Electronics, 30 (4). pp. 2275-2287. ISSN 0885-8993 Full text not available from this repository.AbstractIn this paper the experimental validation of a predictive current control strategy for a four-leg indirect matrix converter is presented. The four-leg indirect matrix converter can supply energy to an unbalanced three-phase load whilst providing a path for the zero sequence load. The predictive current control technique is based on the optimal selection among the valid switching states of the converter by evaluating a cost function, resulting in a simple approach without the necessity for modulators. Furthermore, zero dc-link current commutation is achieved by synchronizing the state changes in the input stage with the application of a zero voltage space vector in the inverter stage. Simulation results are presented and the strategy is experimentally validated using a laboratory prototype.
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