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Low Cost and High Performance Single Phase UPS Using a Single-Loop Robust Voltage Controller 원문보기

Journal of power electronics, v.15 no.3, 2015년, pp.695 - 701  

Ji, Jun-Keun (Department of Electrical Engineering, Soonchunhyang University) ,  Ku, Dae-Kwan (VCTech Co., Ltd., R&D Center) ,  Lim, Seung-Beom (EON Co., Ltd., R&D Center)

Abstract AI-Helper 아이콘AI-Helper

Uninterruptible Power Supplies (UPSs) can be largely divided into the passive-standby, line-interactive and double-conversion methods. This paper proposes a double-conversion UPS with a low cost and high performance. This single phase UPS uses a single-loop robust voltage controller and 1-switch vol...

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AI 본문요약
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대상 데이터

  • 1 shows the proposed single phase double-conversion UPS system. The UPS is composed of single phase 1-switch voltage doubler strategy PFC, a half-bridge inverter, a battery charger and a battery discharger [21].

이론/모형

  • Since the control system of the single-phase UPS inverter is a discrete control system, the transfer function of equation (8) is converted and used as a discrete transfer function through Tustin's bilinear transformation method .
  • The proposed UPS uses a single-phase PFC converter with the 1-switch voltage doubler strategy for the single-phase double-conversion UPS. The PFC converter needs a diode bridge and one bidirectional active switch.
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참고문헌 (24)

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  9. G.-J. Su, D. J. Adams, and L. M. Tolbert, "Comparative study of power factor correction converters for single phase half-bridge inverters," PESC 2001, Vol. 2, pp 995-1000, 2001. 

  10. D. M. Van de Sype, K. De Gusseme, A. P. M. Van den Bossche, and J. A. Melkebeek, “Duty-ratio feedforward for digitally controlled boost PFC converters”, IEEE Trans. Ind. Electron., Vol. 52, No. 1, pp 108-115, Feb. 2005. 

  11. S. Wall and R. Jackson, “Fast controller design for single-phase power-factor correction systems,” IEEE Trans. Ind. Electron., Vol. 44, No. 5, pp 654-660, Oct. 1997. 

  12. Y.-K. Lo, T.-H. Song, and H.-J. Chiu, “Analysis and elimination of voltage imbalance between the split capacitors in half-bridge boost rectifiers,” IEEE Trans. Ind. Electron., Vol. 5, No. 5, pp 1175-1177, Oct. 2002. 

  13. D.-Y. Koo, D.-W. Kim, S.-B. Lim, and S.-C. Hong, "A study on the power factor improvement of single-phase bridgeless voltage doubler converter," in Proc. 2011 Power Electronics Autumn Conference, pp. 169-170, Nov. 2011. 

  14. P. C. Loh, M. J. Newman, D. N. Zmood, and D. G. Holmes, “A comparative analysis of multi-loop voltage regulation strategies for single and three-phase UPS systems,” IEEE Trans. Power Electron., Vol. 18, No. 5, pp. 1176-1185, Sep. 2003. 

  15. M. J. Ryan and R. D. Lorenz, “A high-performance sine wave inverter controller with capacitor current feedback and “Back-EMF” decoupling,” Conf. Rec. IEEE-PESC, pp. 507-513, 1995. 

  16. P. C. Loh and D. G. Holmes, “Analysis of multiloop control strategies for LC/CL/LCL-filtered voltage-source and current-source inverters,” IEEE Trans. Ind. Appl., Vol. 41, No. 2, pp. 644-654, Feb. 2005. 

  17. M. J. Ryan, W. E. Brumsickle, and R. D. Lorenz, “Control topology options for single-phase UPS inverters”, IEEE Trans. Ind. Appl., Vol. 33, No. 2, pp. 493-501, Feb. 1997. 

  18. T. S. Lee, S. J. Chiang, and J. M. Chang, “H∞ loop-shaping controller designs for the single-phase UPS inverters,” IEEE Trans. Power Electron., Vol. 14, No. 4, pp. 473-481, Jul. 2001. 

  19. L. Giuntini, "Harmonics reduction in high-efficiency operation of double-conversion UPS," in Proc. European Conference on Power Electronics and Applications, pp. 1-10, 2011. 

  20. F. Cammarota, and S. Sinigallia, “High-efficiency on-line double-conversion UPS,” Proc. International Telecommunications Energy Conf., pp. 657-662, 2007. 

  21. S.-B. Lim, Y.-H. Lee, J.-K. Ji, and S.-C. Hong, “Development of single phase UPS for low cost and high performance,” Proc. 2011 Power Electronics Autumn Conference, pp. 199-200, 2011. 

  22. D.-K. Ku, J.-K. Ji, G. Cha, S.-B. Lim, and S.-C. Hong, “Operation characteristic of single-phase PFC converter with 1-switch voltage doubler strategy,” Transactions of Korean Institute of Power Electronics(KIPE), Vol. 16, No. 6, pp. 561-568, Dec. 2011. 

  23. D.-K. Ku, J.-K. Ji, G. Cha, S.-B. Lim, and S.-C. Hong, “Comparison of current control method for single-phase PFC converter with 1-switch voltage doubler strategy,” Transactions of Korean Institute of Power Electronics(KIPE), Vol. 17, No. 1, pp. 1-7, Feb. 2012. 

  24. D.-K. Ku, J.-K. Ji, G.-S. Cha, and J.-H. Moon, “Design of robust voltage controller for single-phase UPS inverter,” Transactions of Korean Institute of Power Electronics(KIPE), Vol. 16, No. 4, pp. 317-325, Aug. 2011. 

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