The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Multilevel inverter modulation schemes to eliminate common-mode voltages
Abstract
It is well known that conventional two-level pulsewidth modulated (PWM) inverters generate high-frequency common-mode voltages with high dv/dt. Similarly, commonly used multilevel inverter modulation schemes generate common-mode voltages. Common-mode voltages may cause motor shaft voltages and bearing currents and conducted electromagnetic interference (EMI). Premature motor bearing failures and electronic equipment malfunctions have been reported to be directly related to bearing currents and EMI. In this paper, approaches to eliminating common-mode voltage when using multilevel PWM inverters are presented. It is shown that inverters, which have an odd number of levels, will generate zero common-mode voltage by switching among certain states. Therefore, motor bearing currents will be eliminated and conducted EMI will be reduced. Both sinusoidal PWM and space-vector modulation (SVM) schemes are discussed and detailed comparative simulation results between conventional and novel modulation schemes are provided. The value of the proposed technique is demonstrated experimentally by applying the novel SVM approach to a conventional multilevel inverter.
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A Review of Multilevel Inverter Topologies in Electric Vehicles: Current Status and Future Trends
Poorfakhraei, A., Narimani, M., & Emadi, A. (2021) · IEEE Open Journal of Power Electronics · doi:10.1109/ojpel.2021.3063550 · Cited by 424
“Multilevel inverters can decrease dv/dt and reduce or eliminate common-mode (CM) voltages on the motor side which results in reduced EMI, increased motor lifetime, and eliminating the need to use different types of filters [100].”
BackgroundLin, F.-J., Hung, Y.-C., & Tsai, M.-T. (2013) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2013.2238877 · Cited by 145
Metadata
- Authors
- Wang, F., Wallace, A. K., Dai, S., Von Jouanne, A., & Zhang, H.
- Affiliations
- General Electric (United States) (US)
- Oregon State University (US)
- Texas Instruments (United States) (US)
- ORCID
- Venue
- IEEE Transactions on Industry Applications
- Published
- 2000
- Volume
- 36
- Issue
- 6
- Pages
- 1645-1653
- ISSN
- 0093-9994 (ISSN-L)
- OpenAlex
- W2109894586
- Cited by
- 474
- References
- 21
- Citations by year
- 2026: 5 · 2025: 10 · 2024: 24 · 2023: 21 · 2022: 17 · 2021: 28 · 2020: 22 · 2019: 34 · 2018: 13 · 2017: 18 · 2016: 29 · 2015: 24 · 2014: 39 · 2013: 25 · 2012: 27
- FWCI
- 8.63
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Industry Applications (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electromagnetic Compatibility and Noise Suppression
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Motor Design and Analysis
- Keywords
- multilevel inverter, common-mode voltage, space vector modulation, sinusoidal PWM, bearing currents, conducted electromagnetic interference
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