Research on Grid-connected Operation of Photovoltaic System Inverter Based on Fast Power Control Method
This paper investigates a novel dual-PI closed-loop control strategy to achieve rapid power response in photovol-taic(PV)systems.By adding pre-feedback and post-feedback mechanisms to the traditional PI control,the dynamic re-sponse speed and steady-state control accuracy of the system are significantly improved.Simulation results show that the new dual-PI loop control strategy can quickly adjust system inputs and outputs under voltage fluctuations and load chan-ges,ensuring higher power response speed and stability of voltage and current.
photovoltaic power generationpower controldual-PI closed-loop controldynamic responsesteady-state performance
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