An Optimization Capacity Design Method of Battery Energy Storage Based on SOC for Leveling Off the PV Power Fluctuation

Jin Hua Xue; Ji Lei Ye; Xiao Hua Wang; Bo Yang

doi:10.4028/www.scientific.net/AMR.788.673

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 788An Optimization Capacity Design Method of Battery...

An Optimization Capacity Design Method of Battery Energy Storage Based on SOC for Leveling Off the PV Power Fluctuation

Abstract:

Due to the requirement of leveling off the output power fluctuations, the relationship between the battery energy capacity and PV power fluctuation is analyzed by adjusting the filter time constant according to the state of charge (SOC) based on the low-pass filtering principle, and the optimization design method of battery power capacity and energy capacity is put forward. With the reasonable battery configuration for PV power system, the battery over-charge and over-discharge can be avoided, and the best operation condition and long service life would be obtained. A simulation Matlab model is tested to verify the feasibility of this method.

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Periodical:

Advanced Materials Research (Volume 788)

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673-678

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.788.673

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Online since:

September 2013

Authors:

Jin Hua Xue, Ji Lei Ye, Xiao Hua Wang, Bo Yang

Keywords:

Battery Energy Storage, Energy Capacity, Filter Time Constant, SoC

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