Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications

Ricard Picas; Jordi Zaragoza; Josep Pou; Salvador Ceballos; Georgios Konstantinou; Gabriel J. Capella

doi:10.1109/TIE.2018.2847621

Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications

Ricard Picas
, Jordi Zaragoza^*
, Josep Pou
, Salvador Ceballos
, Georgios Konstantinou
, Gabriel J. Capella

^*Corresponding author for this work

Digitization of equipment for the electrical grid

Ingenia Motion Control
Polytechnic University of Catalonia
Nanyang Technological University
University of New South Wales

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. For proper operation of the converter, a new energy controller is presented, which is suitable for operation with nonsinusoidal reference signals. Experimental results comparing the discontinuous modulation with other techniques operating at low motor speeds are shown. The results demonstrate the effectiveness of the discontinuous modulation on reducing capacitor voltage ripples and power losses.

Original language	English
Article number	8396868
Pages (from-to)	2376-2386
Number of pages	11
Journal	IEEE Transactions on Industrial Electronics
Volume	66
Issue number	3
DOIs	https://doi.org/10.1109/TIE.2018.2847621
Publication status	Published - Mar 2019

Keywords

Discontinuous modulation
low-frequency operation
modular multilevel converter (MMC)
motor drive

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10.1109/TIE.2018.2847621

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title = "Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications",

abstract = "Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. For proper operation of the converter, a new energy controller is presented, which is suitable for operation with nonsinusoidal reference signals. Experimental results comparing the discontinuous modulation with other techniques operating at low motor speeds are shown. The results demonstrate the effectiveness of the discontinuous modulation on reducing capacitor voltage ripples and power losses.",

keywords = "Discontinuous modulation, low-frequency operation, modular multilevel converter (MMC), motor drive",

author = "Ricard Picas and Jordi Zaragoza and Josep Pou and Salvador Ceballos and Georgios Konstantinou and Capella, \{Gabriel J.\}",

note = "Publisher Copyright: {\textcopyright} 2018 IEEE.",

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AU - Picas, Ricard

AU - Zaragoza, Jordi

AU - Pou, Josep

AU - Ceballos, Salvador

AU - Konstantinou, Georgios

AU - Capella, Gabriel J.

PY - 2019/3

Y1 - 2019/3

N2 - Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. For proper operation of the converter, a new energy controller is presented, which is suitable for operation with nonsinusoidal reference signals. Experimental results comparing the discontinuous modulation with other techniques operating at low motor speeds are shown. The results demonstrate the effectiveness of the discontinuous modulation on reducing capacitor voltage ripples and power losses.

AB - Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. For proper operation of the converter, a new energy controller is presented, which is suitable for operation with nonsinusoidal reference signals. Experimental results comparing the discontinuous modulation with other techniques operating at low motor speeds are shown. The results demonstrate the effectiveness of the discontinuous modulation on reducing capacitor voltage ripples and power losses.

KW - Discontinuous modulation

KW - low-frequency operation

KW - modular multilevel converter (MMC)

KW - motor drive

UR - https://www.scopus.com/pages/publications/85049131628

U2 - 10.1109/TIE.2018.2847621

DO - 10.1109/TIE.2018.2847621

M3 - Article

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EP - 2386

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 3

M1 - 8396868

ER -

Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications

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Keywords

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