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Optimum operation strategy and economic analysis of a photovoltaic-diesel-battery-mains hybrid uninterruptible power supply

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  • Ashari, M
  • Nayar, C.V
  • Keerthipala, W.W.L

Abstract

This paper presents the optimum operation strategy and economic analysis of a photovoltaic-diesel-battery-mains hybrid uninterruptible power supply (UPS). The system involves a photovoltaic, battery and bi-directional inverter that is connected in parallel to the grid. A diesel generator is required when the grid is not available for a longer time. The optimum operation strategy of the system is proposed for the diesel-connected mode (when the grid fails for several hours), while the economic analysis is evaluated for the grid-connected mode. The optimum strategy determines the ‘set point’ value for starting and stopping the diesel generator, resulting in a lower system operation cost within its lifetime. The optimum value is obtained by comparing the cost of the diesel fuel consumption and the battery wear. The economic analysis includes the system operation as UPS and demand side management. The system will reduce the power flow from the mains by increasing the power from the inverter to the load when the tariff is high. However, when the grid tariff is low, the power from the mains is used to charge the battery and to meet the load simultaneously.

Suggested Citation

  • Ashari, M & Nayar, C.V & Keerthipala, W.W.L, 2001. "Optimum operation strategy and economic analysis of a photovoltaic-diesel-battery-mains hybrid uninterruptible power supply," Renewable Energy, Elsevier, vol. 22(1), pages 247-254.
    • Handle: RePEc:eee:renene:v:22:y:2001:i:1:p:247-254
    DOI: 10.1016/S0960-1481(00)00013-6
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    Citations

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    Cited by:

    1. Lu, D. & Fakham, H. & Zhou, T. & François, B., 2010. "Application of Petri nets for the energy management of a photovoltaic based power station including storage units," Renewable Energy, Elsevier, vol. 35(6), pages 1117-1124.
    2. Yu Hu & David Soler Soneira & Mar'ia Jes'us S'anchez, 2020. "Barriers to grid-connected battery systems: Evidence from the Spanish electricity market," Papers 2007.00486, arXiv.org, revised Nov 2020.
    3. Mohammed, Ammar & Pasupuleti, Jagadeesh & Khatib, Tamer & Elmenreich, Wilfried, 2015. "A review of process and operational system control of hybrid photovoltaic/diesel generator systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 44(C), pages 436-446.
    4. Phuangpornpitak, N. & Kumar, S., 2007. "PV hybrid systems for rural electrification in Thailand," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(7), pages 1530-1543, September.
    5. Hu, Yu & Armada, Miguel & Jesús Sánchez, María, 2022. "Potential utilization of battery energy storage systems (BESS) in the major European electricity markets," Applied Energy, Elsevier, vol. 322(C).
    6. Kanase-Patil, A.B. & Saini, R.P. & Sharma, M.P., 2010. "Integrated renewable energy systems for off grid rural electrification of remote area," Renewable Energy, Elsevier, vol. 35(6), pages 1342-1349.
    7. Amir, Asim & Amir, Aamir & Che, Hang Seng & Elkhateb, Ahmad & Rahim, Nasrudin Abd, 2019. "Comparative analysis of high voltage gain DC-DC converter topologies for photovoltaic systems," Renewable Energy, Elsevier, vol. 136(C), pages 1147-1163.

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