A 43-level 33 kV 3-phase modular multilevel cascaded converter for direct grid integration of renewable generation systems

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
Innovative Smart Grid Technologies - Asia (ISGT Asia), 2014 IEEE, 2014, pp. 594 - 599
Issue Date:
2014-01
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This paper proposed a 43-level 3-phase 33 kV modular multilevel cascaded (MMC) converter for direct grid integration of renewable generation systems. A high-frequency magnetic-link is considered to generate isolated and balanced multiple dc sources for all of the H-bridge inverters of the MMC converter. The proposed converter is designed and analyzed taking into account the specified system performance, control complexity, cost and market availability of the semiconductors. The simulation results demonstrate the excellent feature of the proposed medium-voltage converter. It is expected that the proposed new technology will have great potential for future renewable power plants and smart grid applications.
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