To improve the dynamic performance and the anti-disturbance capability of the photovoltaic energy storage system, a control strategy of the bidirectional DC-DC converter based on Linear Active Disturbance Rejection Control (LADRC) is proposed in this paper. Firstly, the mathematical model of the bidirectional DC-DC converter is established. And then, the double closed-loop control strategy based on LADRC is designed. Finally, the simulation model is established in Matlab\Simulink. Simulations are conducted to verify the performance of the proposed controller and comparisons between the proposed controller and the traditional double loop PI controller are carried out. Simulation results show that the new controller is more robust and more adaptive. It has a better anti-disturbance capability and a higher dynamic performance than the traditional PI controller.
Research on photovoltaic energy storage system based on LADRC
2017-08-01
425490 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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