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Analysis of variation of neutral point potential in neutral-point-clamped voltage source PWM inverters
Open accessAbstract
The authors present the analysis of the neutral-point potential variation of the neutral-point-clamped voltage source PWM (pulse-width-modulation) inverter (NPC-VSI) for AC motor drives and static VAr compensators (SVC). The potential variation is analyzed with the focus on the current flowing out of or into the neutral point of the DC link. The theoretical minimum capacity of the DC link capacitors is discussed for its application to both a vector-controlled induction motor system of 2.2 kW and a SVC system of 10 MVA, 6.6 kV, 60 Hz. It is shown that the proposed control scheme makes it possible to suppress the neutral-point potential variation within a few percent, so that the total capacity of the DC link capacitors in the NPC-VSI is almost the same as that in the conventional voltage source inverter.>
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Cited by
Multilevel Voltage-Source-Converter Topologies for Industrial Medium-Voltage Drives
Rodriguez, J., Bernet, S., Wu, B., Pontt, J. O., & Kouro, S. (2007) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2007.907044 · Cited by 2,385
Celanovic, N., & Boroyevich, D. (2000) · IEEE Transactions on Power Electronics · doi:10.1109/63.838096 · Cited by 915
Teichmann, R., & Bernet, S. (2005) · IEEE Transactions on Industry Applications · doi:10.1109/tia.2005.847285 · Cited by 578
Choudhury, A., Pillay, P., & Williamson, S. S. (2014) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2014.2310140 · Cited by 135
Metadata
- Authors
- Ogasawara, S., & Akagi, H.
- Venue
- Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting
- Publisher
- IEEE
- Published
- 2002-12-30
- Volume
- 2
- Pages
- 965-970
- ISSN
- 0197-2618 (ISSN-L)
- OpenAlex
- W2110478969
- Cited by
- 296
- References
- 0
- FWCI
- 14.96
- Type
- conference paper
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Analysis of variation of neutral point potential in neutral-point-clamped voltage source PWM inverters. https://app.cochat.ai/papers/10.1109/ias.1993.299015
- The paper
- Ogasawara, S., & Akagi, H. (2002). Analysis of variation of neutral point potential in neutral-point-clamped voltage source PWM inverters. Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting. https://doi.org/10.1109/ias.1993.299015
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
