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Multilevel PWM methods at low modulation indices
Abstract
When utilized at low amplitude modulation indices, existing multilevel carrier-based PWM strategies have no special provisions for this operating region, and several levels of the inverter go unused. This paper proposes some novel multilevel PWM strategies to take advantage of the multiple levels in both a diode-clamped inverter and a cascaded H-bridges inverter by utilizing all of the levels in the inverter even at low modulation indices. Simulation results show what effects the different strategies have on the active device utilization. A prototype 6-level diode-clamped inverter and an 11-level cascaded H-bridges inverter have been built and controlled with the novel PWM strategies proposed in this paper.
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Cited by
Charge balance control schemes for cascade multilevel converter in hybrid electric vehicles
Tolbert, L. M., Peng, F. Z., Cunnyngham, T., & Chiasson, J. N. (2002) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2002.803213 · Cited by 381
Self-citationControl of a multilevel converter using resultant theory
Chiasson, J. N., Tolbert, L. M., McKenzie, K. J., & Du, Z. (2003) · IEEE Transactions on Control Systems Technology · doi:10.1109/tcst.2003.810382 · Cited by 329
Self-citationA comparison of high-power converter topologies for the implementation of FACTS controllers
Soto, D., & Green, T. C. (2002) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2002.803217 · Cited by 288
Liu, J., Cheng, K. W. E., & Ye, Y. (2014) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2291514 · Cited by 277
Du, Z., Ozpineci, B., Tolbert, L. M., & Chiasson, J. N. (2009) · IEEE Transactions on Industry Applications · doi:10.1109/tia.2009.2018978 · Cited by 256
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Metadata
- Authors
- Tolbert, L. M., Peng, F. Z., & Habetler, T. G.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2000-07
- Volume
- 15
- Issue
- 4
- Pages
- 719-725
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2873562307
- Cited by
- 236
- References
- 0
- FWCI
- 9.53
- Type
- journal article
- Language
- en
- Open access
- closed
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