A real and reactive power control approach for battery energy storage system

A power control method using the power flow concept is described. The authors formulate a new and general control equation for the real-time control of a battery energy storage system (BESS). A control strategy for a BESS to operate in a real power mode and a reactive power mode is discussed. Simulations for a demand-side BESS are presented, together with experiments on operating system set-up in a power laboratory using a real time control implementation. The real and reactive power control of a BESS were tested using a 10 kVA/30 kWh laboratory system. The results illustrate that the proposed method is effective and easy. >

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