International Journal of Energy and Power Engineering

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Practical Implementation of an Improved Standby Boost Uninterruptible Power Supply

Received: 27 May 2014    Accepted: 16 June 2014    Published: 04 July 2014
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Abstract

This paper proposes a single phase pulse-width modulated (PMW) voltage source uninterruptible power supply known as an improved standby boost uninterruptible power supply (ISBUPS) which centers on keeping the output voltage of the inverter system of the UPS at constant voltage of 220V AC and ripple free when utility power supply fails. This concept is achieved by incorporating proportional integral (PI) controller, boost converter and L-C filter at inverter control section. In this research, apart from stabilizing the inverter output voltage of inverter at 220VAC in standby mode, 0.96 modulation index is also realized. The total harmonic distortion of the system is reduced down to 5.05%. This proposed system has its applications at homes, offices and in business centers especially in Nigeria where electrical power instability is high now.

DOI 10.11648/j.ijepe.s.2014030603.11
Published in International Journal of Energy and Power Engineering (Volume 3, Issue 6-3, December 2014)

This article belongs to the Special Issue Energy Conversion and Management

Page(s) 1-7
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Uninterruptible Power Supply, PWM, Inverter, Modulation Index, PI Controller

References
[1] Muhammad H.Rashid, “Power Electronics, Circuits, Devices and Application, ” Fourth Edition, Pretice-Hall of India, 2013.
[2] My Ton, Brian Fortenbery and William Tschudi, “DC power for Improved Data Center for Efficiency, ” Lawrence Berkeley National Laboratory, March 2008.
[3] Mohan N and T. Undeland, “Standby Power Supply with Load-Current Harmonics Neutralizer, ” United State Patent, Patent Number US 5334877A, August 2, 1994.
[4] Bong Hwan, Jin-Ha. And Tae-Won Kim, “Improved Single-phase Line-Interactive UPS, “IEEE Trans.Ind. Electron, Vol.48, pp.804-811, 2001.
[5] K. Hirachi, “ Cost-effective practical developments of a high performance and multifunctional UPS with new system configurations and their specific control implementations, IEEE, PESC’95, 480-485, 1995.
[6] Giu-Jia Su and Tetuhiko Ohno, “A New Topology for Single Phase UPS Systems”, IEEE 1997, pp. 913-918.
[7] Zhang, Y.H., Viathgamuwa, D.M., Choi, S.S., "An Experimental Investigation of Dynamics Voltage Restorer" Power Engineering Society Summer Meeting, 2000. IEEE, Vol.4, .2745-2750.
[8] Candidus.U.Eya, C.Odeh, D.B.N Nnadi, M.U, S.E Obe, “Utility Interfaced PWM of Solar fed Voltage Source Inverter Using Fixed-band Hysteresis Current Controller Method, ” Nigeria Journal of Technology, Vol.31, N0.1, March , 2012, pp.48-57.
[9] Raffia Akhter, Aminul Hoque, “Analysis of aPWM Boost Inverter for solar home application, ”, CISE 2006, International Conference, Enformatika, Volume17, December 2006.ISSN 1305-5313, pp.212-216.
[10] C. Cecati, A. Dell’ Aquila and M. Liserre , “Analysis and control of a three-phase dc/ac step-up converter”, in proc. IEEE ISIE’02 Conf., pp. 850-856, July, 2002
[11] M.I.M. Monteiro , E.R. Cadaval, and F.B Gonzalez, “Comparison of Control Strategies for Shunt Active Power Filters in Three –Phase Four-Wire System, ” IEEE Trans. On Power Electronics, vol.22, no. 1, pp 229-236, Jan, 2007
[12] P. Salmaron, S.P Litra, S.R Herrera, , and J.R Vazquez , “Practical Comparative Evaluation of Different Active Harmonic Filter Topologies, ” in Proc. of f ICREPQ, 2011
[13] R.A Modesto, S.A.O.Silva, R.Barriviera and M. Kasster, “Analysis of a Single-Phase Line-Interactive UPS System, ” Santago de Compostela (Spain) , 28th to 30th March, 2012.
Author Information
  • Electrical Engineering University of Nigeria, Nsukka Enugu State Nigeria

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  • APA Style

    CANDIDUS U EYA. (2014). Practical Implementation of an Improved Standby Boost Uninterruptible Power Supply. International Journal of Energy and Power Engineering, 3(6-3), 1-7. https://doi.org/10.11648/j.ijepe.s.2014030603.11

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    ACS Style

    CANDIDUS U EYA. Practical Implementation of an Improved Standby Boost Uninterruptible Power Supply. Int. J. Energy Power Eng. 2014, 3(6-3), 1-7. doi: 10.11648/j.ijepe.s.2014030603.11

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    AMA Style

    CANDIDUS U EYA. Practical Implementation of an Improved Standby Boost Uninterruptible Power Supply. Int J Energy Power Eng. 2014;3(6-3):1-7. doi: 10.11648/j.ijepe.s.2014030603.11

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  • @article{10.11648/j.ijepe.s.2014030603.11,
      author = {CANDIDUS U EYA},
      title = {Practical Implementation of an Improved Standby Boost Uninterruptible Power Supply},
      journal = {International Journal of Energy and Power Engineering},
      volume = {3},
      number = {6-3},
      pages = {1-7},
      doi = {10.11648/j.ijepe.s.2014030603.11},
      url = {https://doi.org/10.11648/j.ijepe.s.2014030603.11},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ijepe.s.2014030603.11},
      abstract = {This paper proposes a single phase pulse-width modulated (PMW) voltage source uninterruptible power supply known as an improved standby boost uninterruptible power supply (ISBUPS) which centers on keeping the output voltage of the inverter system of the UPS at constant voltage of 220V AC and ripple free when utility power supply fails. This concept is achieved by incorporating proportional integral (PI) controller, boost converter and L-C filter at inverter control section. In this research, apart from stabilizing the inverter output voltage of inverter at 220VAC in standby mode, 0.96 modulation index is also realized. The total harmonic distortion of the system is reduced down to 5.05%. This proposed system has its applications at homes, offices and in business centers especially in Nigeria where electrical power instability is high now.},
     year = {2014}
    }
    

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    AB  - This paper proposes a single phase pulse-width modulated (PMW) voltage source uninterruptible power supply known as an improved standby boost uninterruptible power supply (ISBUPS) which centers on keeping the output voltage of the inverter system of the UPS at constant voltage of 220V AC and ripple free when utility power supply fails. This concept is achieved by incorporating proportional integral (PI) controller, boost converter and L-C filter at inverter control section. In this research, apart from stabilizing the inverter output voltage of inverter at 220VAC in standby mode, 0.96 modulation index is also realized. The total harmonic distortion of the system is reduced down to 5.05%. This proposed system has its applications at homes, offices and in business centers especially in Nigeria where electrical power instability is high now.
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