Reduced-Switch-Count Six-Leg Converters for Three-Phase-to-Three-Phase/Four-Wire Applications

@article{Jacobina2007ReducedSwitchCountSC,
  title={Reduced-Switch-Count Six-Leg Converters for Three-Phase-to-Three-Phase/Four-Wire Applications},
  author={Cursino Brandx00E3o Jacobina and Isaac Soares de Freitas and Edison Roberto Cabral da Silva},
  journal={IEEE Transactions on Industrial Electronics},
  year={2007},
  volume={54},
  pages={963-973}
}
Two reduced-switch-count ac/ac dc-link six-leg converters are investigated in this paper. The proposed topologies allow for three-phase-to-three-phase power conversion to supply a three-phase four-wire load without any capacitor dc-link-midpoint connection. The converters provide bidirectional power flow and power-factor control. Pulsewidth modulation techniques are derived by using the concept of local and general apportioning factors. The overall control strategy for providing dc-link voltage… CONTINUE READING
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