Research on Flow Control of all Vanadium Flow Battery Energy Storage Based on Fuzzy Algorithm

Abstract

Combined with the simple flow control method and low discharge energy of all vanadium battery energy storage system, this paper proposes a flow control method based on fuzzy algorithm to improve the energy efficiency of all vanadium flow battery energy storage system. Fuzzy controller which is applicable to the system is designed, charging and discharging power, SOC, frequency of the inverter are fuzzy modeling and optimal flow control strategy is produced by fuzzication, reasoning machine and defuzzification. The experiments show that flow control method based on fuzzy algorithm can effectively control the flow and improve discharge energy of all vanadium battery energy storage system.