Lee, Hong, Degerman, Kang & Waimey PC
Method of controlling charging and discharging of battery energy storage device and the battery energy storage device for the same
A method of charging and discharging battery energy storage device is provided. The method includes measuring a voltage and a frequency of a grid, measuring a state of charge (SOC) value of a battery, calculating an SOC offset value and an SOC feedback gain value from the measured SOC value of the battery, and performing a voltage droop control based on the voltage of the grid and a frequency droop control on the basis of the frequency of the grid, the SOC offset value and the SOC feedback gain value and controlling charging and discharging of the battery.
LSIS CO., LTD.
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Eun Sik Yun Jae
Choi Lee