Storage Efficiency Optimization of an Ultracapacitor Charged By a Photovoltaic Cell Using Simulated Annealing
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 8
Abstract
Ultracapacitors are very power dense capacitors. Charge density of Ultracapacitors depends on the value of the capacitance and its voltage. Generally an Ultracapacitor with higher capacitance would support higher energy storage density with fixed voltage. The load driven often does not utilize properly the entire stored charge from the Ultracapacitor due to inconsistency in electrical characteristics between the load and source. Storage efficiency of Ultracapacitor has state of charge dependencies as it is variable over the duration of charge/discharge cycles. It depends directly on the capacitance and indirectly on the ESR value. The proposed optimization technique can significantly find the maximum value of storage efficiency at a near about minimum value of ESR and maximum value of capacitance. The simulation model and results shows the advantage of the said technique.
Authors and Affiliations
Sachin Seth, Sudipto Mukherjee, Tanusree Dutta, Rabindranath Ghosh
Keywords
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- EP ID EP391946
- DOI 10.9790/9622-0708021622.
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