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DC-Link voltage ripple minimization in a modular multilevel voltage source converter for HVDC power transmission

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6 Author(s)
M. Tomasini ; Dept. of Electr. & Electron. Eng., Univ. of Nottingham, Nottingham, UK ; R. Feldman ; J. C. Clare ; P. Wheeler
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This paper presents a method for DC-Link voltage ripple reduction for a recently proposed modular multilevel (M2C) hybrid voltage source converter intended for the HVDC market. A mode of operation is described that enables both control of the modulation index and reduction of the DC-Link voltage and current ripple. This is achieved by superimposing multiple triplen harmonic components to the rectified fundamental component synthesised by the M2C Chain-Link converter.

Published in:

Power Electronics and Applications (EPE 2011), Proceedings of the 2011-14th European Conference on

Date of Conference:

Aug. 30 2011-Sept. 1 2011