The Circulating Current Control Strategy of Energy Storage Device Multiprocessor System in Off-grid State
Lin Hanping1, 2, Wu Wenxuan3, Cai Jinding1, Zheng Gao2
1. College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108; 2. Fujian Electric Power Research Institute, Fuzhou 350007; 3. The State Grid Fujian Electric Power Co., Ltd, Fuzhou 350001
Abstract In order to suppress the circulating current from the energy storage device, using the average power sharing control. get the outer ring of power output by the PI control, Superimposed on the converter output AC voltage command as a correction, By Matlab/Simulink software for off-grid simulation analysis to verify the control strategy. Results of this study indicate that adding power balance control in multi-parallel system, which can effectively pre-inverter circulation to ensure that each storage device load sharing to work.
Lin Hanping,Wu Wenxuan,Cai Jinding等. The Circulating Current Control Strategy of Energy Storage Device Multiprocessor System in Off-grid State[J]. Electrical Engineering, 2015, 16(10): 34-38.
2015, Vol. 16 
