2015
DOI: 10.1109/tpel.2014.2368055
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Abstract: In this paper, a new discontinuous modulation technique is presented for the operation of the modular multilevel converter (MMC). The modulation technique is based on adding a zero-sequence to the original modulation signals so that the MMC arms are clamped to the upper or lower terminals of the dc-link bus.The clamping intervals are controlled according to the absolute value of the output current to minimize the switching losses of the MMC. A significant reduction in the capacitor voltage ripples is achieved,… Show more

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Cited by 88 publications
(51 citation statements)
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References 31 publications
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“…In this figure, in addition to the N basic SMs of each arm, M additional SMs have been included. These additional SMs are needed when operating the MMC with the discontinuous modulation introduced in [9], as explained in Section III.…”
Section: A MMC Fundamentalsmentioning
confidence: 99%
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“…In this figure, in addition to the N basic SMs of each arm, M additional SMs have been included. These additional SMs are needed when operating the MMC with the discontinuous modulation introduced in [9], as explained in Section III.…”
Section: A MMC Fundamentalsmentioning
confidence: 99%
“…When applying the discontinuous modulation to the MMC [8], [9], all the SMs of one arm of a particular phase-leg are deactivated (bypassed) for some intervals. Therefore, the phase-leg is clamped to the upper or lower dc-bus terminals.…”
Section: A Basics Of Discontinuous Modulationmentioning
confidence: 99%
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