Modeling and Simulation of Oscillating Water Column Wave Energy Generator

Abstract:

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.

• Periodical: Advanced Materials Research (Volumes 610-613)
• Pages: 2525-2529
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.610-613.2525
• Online since: December 2012
• Authors: Hong Zhan Nie, Ming Zhang, Hong Shen
• Keywords: Converter, Low Voltage Ride through (LVRT), Oscillating Water Column, Permanent Magnet Synchronous Generator (PMSG), Wave Energy

References

[1] Zemin JIANG. Reflections on Energy Issues in China[J]. JOURNAL OF SHANGHAI JIAOTONG UNIVERSITY.2008, 42(3), 5-11. (In Chinese)

[2] Yage YOU, et al. Development Status and Perspective of Marine Energy Conversion Systems [J]. Automation of Electric Power System , 2010, 34(14), 1 –12.(In Chinese)

[3] Bijun WU, Zangao DENG, Yage YOU. Simulation of Pressure maintaining Storage Isolated Generating System Based on Wave Energy[J]. Automation of Electric Power System, 2007, 31(5), 50-56. (In Chinese)

[4] Dingyu XUE, Yangquan CHEN. Simulation technology and application based on the MATLAB / Simulink system[M]. Tsinghua University Press, Beijing, 2002. (In Chinese)

[5] Dara L. O'Sullivan, Anthony W. Lewis. Generator Selection and Comparative Performance in Offshore Oscillating Water Column Ocean Wave Energy Converters[J]. Energy Conversion. Vol. 26, no. 2, p.603–614.

DOI: 10.1109/tec.2010.2093527

[6] M. Amundarain, M. Alberdi, A. J. Garrido, and I. Garrido. Modeling and simulation of wave energy generation plants: Output power control [J]. IEEE Trans．Ind. Electron.,vol. 58, no. 1, p.105–117, Jan. 2011.

DOI: 10.1109/tie.2010.2047827

[7] T. V. Heath. The development of a turbo-generation system for application in OWC breakwaters[J]. Proc. 7th Eur, Wave Tidal Energy Conf., Porto, Portugal, Sep. 2007.

[8] A. El Marjani, F. Castro Ruiz, M. A. Rodriguez, and M. T. Parra Santos, "Numerical modelling in wave energy conversion systems," Energy, vol. 33, no. 8, p.1246–1253, Aug. 2008.

DOI: 10.1016/j.energy.2008.02.018

[9] Ran LI, Qishan GAO, Wei LIU. Characteristics of Direct-Driven Permanent Magnet Synchronous Wind Power Generator Under Symmetrical Three-Phase Short-Circuit Fault [J]. 2011, 35(10), 153 –159. (In Chinese)

[10] Jianlin LI, Honghua XU. Low-voltage operation of wind power generation system[M]. Mechanical Industry Press, Beijing, 2009. (In Chinese)