Suitability Analysis of Different Batteries with Off-Grid Photovoltaic System

Authors

  • Kusum Tharani
  • Rishabh Mishra
  • Anurag Dobriyal
  • Nikhil Bhatt

DOI:

https://doi.org/10.37591/rrjophy.v7i3.1431

Abstract

The main objective of power generation and distribution companies is to ensure uninterrupted supply at reasonably low cost, minimum losses and high quality. Considering rural areas, where off-grid power systems using renewable resources are becoming more popular are generally equipped with storage elements like batteries. Hence energy storage and battery management system are a vital area of research nowadays. The study presents modelling of an off-grid solar PV model and testing it with different batteries (Lithium Ion (Li Ion), Nickel Cadmium (Ni Cd), Lead acid (Pb acid)) developed in Simulink on MATLAB 2017. Various aspects such as life cycle, energy density, SOC (State of Charge) and DOD (Depth of Discharge) are considered to study the technical performance of each battery. Comparisons among the three batteries have also been made considering environmental impact and safety measures. Pb acid and Ni Cd batteries pose as an environmental threat due to their toxic nature. This leads to an increase in usage of Li-ion batteries which are reasonably harmless and recyclable. The ultimate goal of the study is to choose the most economic and efficient battery with off-grid photovoltaic system as “the greenest power is the power you don’t have to produce”. From the comparisons performed in this paper, it is seen that Li ion batteries have superior overall performance when compared to Ni Cd and Pb acid batteries.

 

 Keywords: Performance comparison, battery life prediction, State of Charge (SOC), Depth of Discharge (DOD), result via discrete solver selection

Cite this Article

Kusum Tharani, Rishabh Mishra, Anurag Dobriyal et al. Suitability Analysis of Different Batteries with Off-Grid Photovoltaic System. Research & Reviews: Journal of Physics. 2018; 7(3): 11–19p

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Published

2018-10-11

Issue

Vol. 7 No. 3 (2018)

Section

Research Article

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