Modeling and control of multilevel three-phase PWM current source inverter

2011 ◽  
Author(s):  
R. Guedouani ◽  
B. Fiala ◽  
E. M. Berkouk ◽  
M. S. Boucherit
Keyword(s):  
Current Source ◽  
Modeling And Control ◽  
Current Source Inverter ◽  
Three Phase ◽  
And Control

A Generalized Three-Phase Multilevel Current-Source Inverter Topology

2011 ◽  
Vol 88-89 ◽  
pp. 373-378
Author(s):  
Jian Yu Bao ◽  
Wei Bing Bao ◽  
Zhong Chao Zhang
Keyword(s):  
Control Strategies ◽  
Current Source ◽  
Voltage Source ◽  
Output Current ◽  
Current Source Inverter ◽  
Multilevel Structure ◽  
Three Phase ◽  
Dc Current ◽  
And Control ◽  
Inverter Topology

A generalized three-phase multilevel current-source inverter (MCSI) topology is proposed by implanting the generalized N-level current cells into a three-phase MCSI topology which is derived from the three-phase multilevel voltage-source inverter (MVSI) topology through dual conversion. In the generalized three-phase MCSI topology, each intermediate dc-link current level can be automatically balanced without adding any external circuits, thus a true multilevel structure is provided. Output current of each phase is independently modulated because of being supplied with two DC current-sources. This allows the wealth of existing knowledge relating to the operations, modulations and control strategies of multilevel VSI to be immediately applied to such multilevel CSI. Simulation results of 5-level and 7-level CSI systems are presented to verify the proposed three-phase MCSI topology.

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