Acknowledgement
This research was supported by Korea Electric Power Corporation (KEPCO) (Grant number: R21XO01-6).
References
- Jung, K., Suh, Y.: Compensation of neutral point deviation under generalized 3-phase imbalance in 3-level NPC converters. J. Power Electron. 18(6), 1866-1878 (2018)
- Suh, Y., Go, Y., Roh, D.: A comparative study on control algorithm for active front-end rectifer of large motor drives under unbalanced input. IEEE Trans. Ind. Appl. 47(3), 1419-1431 (2011) https://doi.org/10.1109/TIA.2011.2126015
- Suh, Y.S., Tijeras, V., Lipo, T.A.: A control method in dq synchronous frame for PWM boost rectifer under generalized unbalanced operating conditions. IEEE Trans. Ind. Appl. 46(3), 825-835 (2006) https://doi.org/10.1109/TIA.2006.873673
- Jung, K., Suh, Y.: Analysis and control of neutral-point deviation in three-level NPC converter under unbalanced three-phase AC grid. IEEE Trans. Ind. Appl. 55(5), 4944 (2019)
- Suh, Y., Lipo, A.: Control scheme in hybrid synchronous stationary frame for PWM AC/DC converter under generalized unbalanced operating conditions. IEEE Trans. Ind. Appl. 42(3), 825-835 (2006) https://doi.org/10.1109/TIA.2006.873673
- Song, H.S., Nam, K.H.: Dual current control scheme for PWM converter under unbalanced input voltage conditions. IEEE Trans. Ind. Electron. 46(5), 953-959 (1999) https://doi.org/10.1109/41.793344
- Z Zhang, R Kennel, Direct Model Predictive Control of ThreeLevel NPC Back-to-Back Power Converter PMSG Wind Turbine Systems Under Unbalanced Grid. In Conf, IEEE PRECEDE, Valparaiso, Chile. pp. 97-102, Oct 2015
- Y. H. Yoo, N. J. Ku, D. S. Hyun, The control algorithm of threelevel NPC inverter under unbalanced input voltage conditions. In Conf, IEEE vehicle power and propulsion, Coimbra, Portugal. pp. 1-5, Oct 2014
- Wang, C., Li, Y.: Analysis and calculation of zero-sequence voltage considering neutral-point potential balancing in three-level NPC converter. IEEE Trans. Ind. Electron. 57(7), 2262-2271 (2010) https://doi.org/10.1109/TIE.2009.2024093
- Celanovic, N., Boroyevich, D.: A comprehensive study of neutral-point voltage balancing problem in three-level neutral-pointclamped voltage source PWM inverters. IEEE Trans. Power Electron. 15(2), 242-249 (2000) https://doi.org/10.1109/63.838096
- S. Ogasawara, and H. Akagi, Analysis of variation of neutral point potential in neutral-point-clamped voltage source PWM inverter. In Conf. Rec. IEEE IAS Annu. Meeting, 1993, pp. 965-970
- Y. Lai, Y. Chou, S. Pai, Simple PWM technique of capacitor voltage balance for three-level inverter with dc-link voltage sensor only. In Proc. 33rd Annu. Conf. IEEE IECON, 2007, pp. 1749-1754
- Holtz, J., Oikonomou, N.: Neutral point potential balancing method at low modulation index for three-level inverter medium voltage drives. IEEE Trans. Ind. Electron. 43(3), 761-768 (2007) https://doi.org/10.1109/TIA.2007.895767
- L. Jun, Q. H. Alex, Q. Zhaoming, Z. Huijie, A novel carrier-based PWM method for 3-level NPC inverter utilizing control freedom degree. In Proc. IEEE Power Electron. Spec. Conf., 2007, pp. 1899-1904.
- Rodriguez, P., Pou, J., Bergas, J., Candela, J. I., Burgos, R.P., Boroyevich, D.: Decoupled double synchronous reference frame PLL for power converters control. IEEE Trans. Power Electron. 22(2), 585 (2007)
- Dugan, R.C., Mcgranaghan, M.F., Santoso, S., Beaty, H.W.: Electrical Power Systems Quality, 2nd edn., pp. 53-55. Mcgraw-Hill Publishing Company, Inc, New York (2005)
- Leborgne, R. Voltage Sags Characterisation and Estimation. Master's thesis, Chalmers University of Technology, Goteborg, Sweden, Retrieved from http://www.publications.lib.chalmers.se/records/fulltext/9004.pdf, (2006). Accessed 30 May 2019
- Choi, J., Suh, Y.: Analysis and minimization of neutral point current deviation in grid tied 3-level npc converter under various grid fault conditions. In: 2020 IEEE energy conversion congress and exposition (ECCE), pp. 6192-6196. IEEE, New York (2020)
- J. Choi and Y. Suh, Analysis and control of neutral point current deviation in grid tied 3-level NPC converter under various grid unbalanced conditions. 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia). 2020, p. 710-716
- Choi, J., Suh, Y.: A control method of reduced reactive power ripple in grid-connected converters under unbalanced grid conditions. IPEC2022-ECCE Asia, New York (2022)