A Generalized Three-Phase Multilevel Current-Source Inverter Topology

Abstract:

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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.

Info:

Periodical:

Edited by:

Xingui He, Ertian Hua, Yun Lin and Xiaozhu Liu

Pages:

373-378

DOI:

10.4028/www.scientific.net/AMM.88-89.373

Citation:

J. Y. Bao et al., "A Generalized Three-Phase Multilevel Current-Source Inverter Topology", Applied Mechanics and Materials, Vols. 88-89, pp. 373-378, 2011

Online since:

August 2011

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Price:

$35.00

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