Modeling and simulation of oscillating water column wave energy generator

Q. Xu, Y. Ju, and H. Ge – Advanced Materials Research, December, 2012


This paper focuses on the oscillating water column (OWC) wave energy generator. An overall mathematical model is established comprising of the wave energy capture, drive system, permanent magnet synchronous generators (PMSG), vector control, maximum power point tracking (MPPT), and low voltage ride through (LVRT) control. With this mathematical model, an OWC wave energy generator based on PMSG simulation model is set up in Matlab/Simulink environment. A simulation analysis of the model is carried out which is connected to the grid under the condition of wave changes and power system faults. The simulation facilitates the MPPT and the decoupling control of power for OWC wave energy generator. Results show that the system with back-to- back PWM converter operates in a satisfying way and the model established works correctly and effectively.




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