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http://dx.doi.org/10.6113/JPE.2010.10.5.572

Modular Multilevel Converter Based STATCOM Topology Suitable for Medium-Voltage Unbalanced Systems  

Pirouz, Hassan Mohammadi (School of Electrical and Computer Eng., K. N. Toosi University of Technology)
Bina, Mohammad Tavakoli (School of Electrical and Computer Eng., K. N. Toosi University of Technology)
Publication Information
Journal of Power Electronics / v.10, no.5, 2010 , pp. 572-578 More about this Journal
Abstract
This paper discusses a transformerless shunt static compensator (STATCOM) based on a modular multilevel converter (MMC). It introduces a new time-discrete appropriate current control algorithm and a phase-shifted carrier modulation strategy for fast compensation of the reactive power and harmonics, and also for the balancing of the three-phase source side currents. Analytical formulas are derived to demonstrate the accurate mechanism of the stored energy balancing inside the MMC. Various simulated waveforms verify that the MMC based STATCOM is capable of reactive power compensation, harmonic cancellation, and simultaneous load balancing, while controlling and balancing all of the DC mean voltages even during the transient states.
Keywords
DC voltage balancing; Medium voltage; Modular multilevel converter; STATCOM; Unbalanced currents;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By Web Of Science : 3  (Related Records In Web of Science)
Times Cited By SCOPUS : 4
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1 R.E. Betz, T. Summerst, T. Furney, "Using a cascaded h-bridge STATCOM for rebalancing unbalanced voltages," The 7th International Conference on Power Electronics, 2007.
2 R. E. Betz, T. Summers, and T. Furney. "Symmetry compensation using a H-bridge multilevel STATCOM with zero sequence injection," IEEE Industry Applications Conference, Oct. 2006.
3 R. Marquardt, A. Lesnicar, "New concept for high voltage – modular multilevel converter," Deutsch- Koreanisches Symposium, 2004.
4 H. Mohammadi Pirouz, M. Tavakoli Bina, "New transformerless STATCOM topology for compensating unbalanced medium-voltage loads," EPE'09, Sep. 2009.
5 H. I. Eini, S. Farhangi, J. L. Schanen, M. K. Fard, "A fault-tolerant control strategy for cascaded h-bridge multilevel rectifiers," Journal of Power Electronics, Vol. 10, No. 1, pp.34-42, Jan. 2010.   과학기술학회마을   DOI   ScienceOn
6 G. K. Kasal, B. Singh, "H-bridge VSC with a t-connected transformer for a 3-phase 4-wire voltage and frequency controller of an isolated asynchronous generator," Journal of Power Electronics, Vol. 9, No. 1, pp.43-50, Jan. 2009.   과학기술학회마을
7 H. Akagi, S. Inoue, T. Yoshii, " Control and performance of a transformerless cascade PWM STATCOM with star configuration," IEEE Transactions on Industry Applications, Vol. 43 , No. 4, pp. 1041-1049, Jul./Aug. 2007.   DOI   ScienceOn
8 Fang Z. Peng, John Wang, McKeever, Donald J. Adams, "A power line conditioner using cascade multilevel inverters for distribution systems," IEEE Transactions on Industrial Application, Vol. 34, No. 6, pp.1293-1298, Nov./Dec. 1998.   DOI   ScienceOn
9 Y. M. Park, H. S. Ryu, H. W. Lee, M. G. Jung, S. H. Lee, "Design of a cascaded H-Bridge multilevel inverter based on power electronics building blocks and control for high performance," Journal of Power Electronics, Vol. 10, No. 3, pp.262-269, Mar. 2010.   과학기술학회마을   DOI   ScienceOn
10 C. K. Lee, J.S K. Leung, S.Y R. Hui, H.S.H. Chung, "Circuit-level comparison of STATCOM technologies," IEEE Transactions on Power Electronics, Vol. 18, No. 4, pp. 1084-1092, Jul. 2003.   DOI   ScienceOn
11 Fang Z. Peng, Jin Wang, "A universal STATCOM with delta-connected cascade multilevel inverter," IEEE PESC'04, Jun. 2004.
12 S. Rohner, S. Bernet, M. Hiller, R. Sommer, "Modulation, losses and semiconductor requirements of modular multilevel converters," IEEE Transactions on Industrial Electronics, IEEE Early Access, 2009.
13 L. A. Moran, J. W. Dixon, and R. R. Wallace, "A three-phase active power filter operating with fixed switching frequency for reactive power and current harmonic compensation," IEEE Trans. Ind. Electron., Vol. 42, No. 4, pp. 402-408, Aug. 1995.   DOI   ScienceOn
14 Akagi, Watanabe, Aredes, "Instantaneous power theory and applications to power conditioning," The Institute of Electrical and Electronics Engineers Inc., 2007.
15 R. Gupta, A. Ghosh, and A. Joshi, "Switching characterization of cascaded multilevel-inverter-controlled systems," IEEE Transactions on Industrial Electronics, ol. 55, no. 3, pp. 1047-1058, Mar. 2008.   DOI   ScienceOn
16 M. Hiller, D. Krug, R. Sommer, S. Rohner, "A new highly modular medium voltage converter topology for industrial drive applications," 13th European Conference on Power Electronics and Applications, 2009.
17 M. Hagiwara, H. Akagi, "Control and experiment of pulsewidthmodulated modular multilevel converters," IEEE Transactions on Power Electronics, Vol. 24, No. 7, pp 1737-1746, Jul. 2009.   DOI   ScienceOn
18 M. Tavakoli Bina, A.K.S Bhat, "Averaging technique for the modeling of STATCOM and active filters," IEEE Transactions on Power Electronics, Vol. 23, No. 2, pp. 723-734, Mar. 2008.   DOI   ScienceOn
19 Pee-Chin Tan, R.E. Morrison, D.G. Holmes, "Voltage form factor control and reactive power compensation in a 25-kV electrified railway system using a shunt active filter based on voltage detection," IEEE Transactions on Industry Applications, Vol. 39, No. 2, pp. 575-581, Mar./Apr. 2003.   DOI   ScienceOn
20 R. Marquardt, "Stromrichters chaltungen mitverteilten energiespeichern," German Patent DE 10 103 031, Jan. 24, 2001.