Browse > Article
http://dx.doi.org/10.5207/JIEIE.2013.27.12.133

Voltage Dip Compensation Algorithm Using Multi-Level Inverter  

Yun, Hong-Min (Automation R&D Center, LSIS Corporation, Ltd.)
Kim, Yong (Division of Electronics and Electrical Engineering, Dongguk University)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.27, no.12, 2013 , pp. 133-140 More about this Journal
Abstract
Cascaded H-Bridge multi-level inverters can be implemented through the series connection of single-phase modular power bridges. In recent years, multi-level inverters are becoming increasingly popular for high power applications due to its improved harmonic profile and increased power ratings. This paper presents a control method for balancing the dc-link voltage and ride-through enhancement, a modified pulse width-modulation Compensation algorithm of cascaded H-bridge multi-level inverters. During an under-voltage protection mechanism, causing the system to shut down within a few milliseconds after a power interruption in the main input sources. When a power interruption occurs finish, if the system is a large inertia restarting the load a long time is required. This paper suggests modifications in the control algorithm in order to improve the sag ride-through performance of ac inverter. The new proposed strategy recommends maintaining the DC-link voltage constant at the nominal value during a sag period, experimental results are presented.
Keywords
Multilevel Inverters; SAG; Ride-Through Compensation Algorithm;
Citations & Related Records
연도 인용수 순위
  • Reference
1 B. Wu, High-Power Converters and AC Drive. New York : Wiley-IEEE Press, Mar. 2006.
2 J. Rodriguez, S. Bernet, B. Wu, J. O. Pontt, and A. Kouro, "Multi-level voltage-source-converter topologies for industrial medium-voltage drives, " IEEE Trans. Ind. Electron., vol. 54, no. 6, pp. 2930-2945, Dec. 2007.
3 A. Nabae, I. Takahashi, and H. Akagi, "A neutral-point-clamped PWM inverter," in Conf. Rec. IEEE IAS Annu. Meeting, Cincinnati, OH, vol.3, pp. 761-766, Sep. 28-Oct. 3, 1980.
4 P. Steimer, "High power electronics trends of technology and applications," in Proc. PCIM, Germany, May. 2007.
5 Kai Pietiläinen and Lennart Harnefors, Andreas Petersson, Hans-Peter Nee "DC-Link Stabilization and Voltage Sag Ride-Through of Inverter Drives", IEEE Transactions on Industrial Electronics, Vol.53, No.4, 1261-1268, Aug. 2006.   DOI   ScienceOn
6 Joachim Holtz and Wolfgang Lotzkat, "Controled AC Drives with Capability at Power Interruption", IEEE Transactions on Industry Applications, Vol. 30, No. 5, pp. 1275-1283, Sept./Oct. 1994.   DOI   ScienceOn
7 Brian J.Seibel, Russel J.Kerkman, and David Leggate, "Inverter Control During Overload and Following Power Interruption", IEEE Transactions on Industry Applications, Vol. 28, No. 3, pp. 567-573, May./June. 1992.   DOI   ScienceOn
8 Shakweh, Y., Aufleger, P., 'Multimegawatt, medium-voltage, PWM, voltage source, sine-wave-output converter for industrial drive applications', PEVD98 Conf. Proc., IEE, London, UK., 1998, pp 632-637.
9 B. S. Kang, J. C. Kim, J. F. Moon, S.Y. Yun, "Investiga tion of the Impact of voltage Sags on 3-Phase induction motors", KIIEE Annual Spring Conference , pp. 361-365, 2004.
10 Y. M. Kwon, J. C. Kim, Y. S. Kim, Y. J. Lee, "Analysis on the effect of RC finer to mitigate transient overvoltage on the highl voltage induction motor fed by Multi level inverter", KIIEE Annual Autumn Conference, pp. 399-403, 2005.