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The effect of different working parameters on the optimal size of a battery for grid-connected PV systems

Mohamad Kharseh (Institutionen för arkitektur och samhällsbyggnadsteknik, Byggnadsteknologi) ; Holger Wallbaum (Institutionen för arkitektur och samhällsbyggnadsteknik, Byggnadsteknologi)
Energy Procedia - International Conference on Future Buildings and Districts - Energy Efficiency from Nano to Urban Scale, CISBAT 2017, Lausanne, Switzerland, 6-8 September 2017 (1876-6102). Vol. 122 (2017), p. 595-600.
[Konferensbidrag, refereegranskat]

This work investigates the possibility of improving the economic performance of PV in Northern Europe. The PV system investigated in this study is assumed to be connected to the electricity grid. However, because there is a difference between the electricity tariff and feed-in electricity price, adding a battery to such a system improves its economic viability. But the application of a battery increases initial costs of the system. Therefore, it is especially of economic relevance to choose the optimal size of the battery. In this work, the optimal battery size was calculated under different parameters including electricity tariff, feed-in electricity price, and battery performance and price. For this purpose, an actual building located in Landskrona, Sweden was chosen as a case study. A computer model was built to simulate the PV system. The simulations show that the optimal battery size is strongly influenced by the local conditions especially the feed-in electricity price.

Nyckelord: battery size , computer modeling , grid connected , optimization , PV system

Denna post skapades 2017-10-11. Senast ändrad 2017-11-21.
CPL Pubid: 252443


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Institutioner (Chalmers)

Institutionen för arkitektur och samhällsbyggnadsteknik, Byggnadsteknologi



Chalmers infrastruktur