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A Medium-Voltage Motor Drive With a Modular Multilevel PWM Inverter

Hagiwara, Makoto, Nishimura, Kazutoshi, Akagi, Hirofumi·2010·IEEE Transactions on Power Electronics

Abstract

This paper describes the control and operating performance of a modular multilevel PWM inverter for a transformerless medium-voltage motor drive. The inverter is prominent in the modular arm structure consisting of a cascaded stack of multiple bidirectional chopper-cells. The dominant ac-voltage fluctuation with the same frequency as the motor (inverter) frequency occurs across the dc capacitor of each chopper-cell. The magnitude of the voltage fluctuation is inversely proportional to the motor frequency. This paper achieves theoretical analysis on the voltage fluctuation, leading to system design. A downscaled model rated at 400 V and 15 kW is designed and built up to confirm the validity and effectiveness of the nine-level (17-level in line-to-line) PWM inverter for a medium-voltage motor drive.

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Crossref · 10.1109/tpel.2010.2042303

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Metadata

Authors
Hagiwara, M., Nishimura, K., & Akagi, H.
Venue
IEEE Transactions on Power Electronics
Published
2010-07
Volume
25
Issue
7
Pages
1786-1799
ISSN
  • 0885-8993 (ISSN-L)
  • 1941-0107
OpenAlex
W2123746471
Cited by
670
References
1
FWCI
33.14
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Medium-Voltage Motor Drive With a Modular Multilevel PWM Inverter. https://app.cochat.ai/papers/10.1109/tpel.2010.2042303
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Hagiwara, M., Nishimura, K., & Akagi, H. (2010). A Medium-Voltage Motor Drive With a Modular Multilevel PWM Inverter. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2010.2042303

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.