10.1007/s40095-018-0261-0

Modelling and analysis of an improved scheme for a 340 kWp grid interactive PV system in Pakistan to enhance performance ratio and battery life

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  • Zaeem Aslam*1,
  • Hifsa Shahid2,
  • Zeeshan Mahmood1,
  1. Center for Energy Research and Development, University of Engineering and Technology Lahore (UET Lahore), Lahore, 54000, PK
  2. Center for Energy Research and Development, University of Engineering and Technology Lahore (UET Lahore), Lahore, 54000, PK Faculty of Information Technology, University of Central Punjab, Punjab, 54000, PK
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Published in Issue 2018-01-24

How to Cite

Aslam, Z., Shahid, H., & Mahmood, Z. (2018). Modelling and analysis of an improved scheme for a 340 kWp grid interactive PV system in Pakistan to enhance performance ratio and battery life. International Journal of Energy and Environmental Engineering, 9(2 (June 2018). https://doi.org/10.1007/s40095-018-0261-0
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Abstract

Abstract A scheme has been proposed, modeled and simulated to show an improved system efficiency, battery life and payback period of a 340 kWp peak power grid interactive solar photovoltaic system. In this case, a conventional solar photovoltaic system capable to fulfill 66% energy demands has been modified to meet complete energy demands without an increase in system’s photovoltaic capacity. It has been shown via modelling and simulation on PVSyst that using direct current appliances instead of alternating current appliances, initial power demands are reduced by 58% and conversion losses (DC–AC–DC) of 9.6% are eliminated. These modifications result in an overall increase in the system’s performance ratio from 73.8 to 83.4%, with an increase in energy production from 469.6 to 557.9 MWh. As an outcome, battery life is increased by 1200 duty cycles as the depth of discharge is reduced from 35 to 26%.

Keywords

  • Solar photovoltaic,
  • Performance ratio,
  • Battery life,
  • Converter losses
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