Fig. 1. Oscillating water column model
Fig. 2. Diagram of grid-connected wave power generation system
Fig. 3. 3-phase generator and rectifier control model
Fig. 4. Three phase PLL structure
Fig. 5. Inverter output voltage expressed as a space vector
Fig. 6. The effective time of each phase pole voltage
Fig. 7. Grid-connected inverter control model
Fig. 8. Generator output power(Top), Generator speed control(Bottom)
Fig. 9. Generator output voltage(Top), Generator output current(Bottom)
Fig. 10. Generator output voltage zoom in(Top), Generator output current zoom in(Bottom)
Fig. 11. Inverter output voltage(Top), Inverter output current(Bottom)
Fig. 12. Inverter output voltage zoom in(Top), Inverter output current zoom in(Bottom)
Fig. 13. Grid side DC link voltage control(Top), Inverter output power(Bottom)
Table 1. System parameter
참고문헌
- R. Sabzehgar, "A Review of Ocean Wave Energy Conversion Systems", IEEE Electrical Power & Energy Conference, Oct. 2009. DOI: http://dx.doi.org/10.1109/EPEC.2009.5420927
- Dionisio Ramirez, "Emulation of an OWC Ocean Energy Plant With PMSG and Irregular Wave Model", IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, pp1515-1523, Oct. 2015. DOI: http://dx.doi.org/10.1109/TSTE.2015.2455333
- Nicola Delmonte, "Review of Oscillating Water Column Converters", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, pp1698-1710, Mar. 2016. DOI: http://dx.doi.org/10.1109/TIA.2015.2490629
- Fattah Hassanzadeh, "Back-to-back Converter Control of Grid-connected Wind Turbine to Mitigate Voltage Drop Caused by Faults" IEEE Conferences, pp1-6, Nov. 2017. DOI: http://dx.doi.org/10.1109/NAPS.2017.8107205
- Vikram Kaura "Operation of a Phase Locked Loop System Under Distorted Utility Conditions", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, Jan. 1997. DOI: http://dx.doi.org/10.1109/28.567077
- F. A. Ramirez, "Development of a Grid-Connected Wind Generation System With a Modified PLL Structure", IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, pp474-481, Jul. 2012. DOI: http://dx.doi.org/10.1109/TSTE.2012.2190770
- Tae-Won Chun, "Synchronization Techniques for Single-Phase and Three-Phase Grid Connected Inverters using PLL Algorithm", THE TRANSACTIONS OF KOREAN INSTITUTE OF POWER ELECTRONICS, pp309-316, Aug. 2011.
- Zitao Wang, "A DC Voltage Monitoring and Control Method for Three-Phase Grid-Connected Wind Turbine Inverters", IEEE TRANSACTIONS ON POWER ELECTRONICS, pp1118-1125, May. 2008. DOI: http://dx.doi.org/10.1109/TPEL.2008.921174
- Qingrong Zeng, "Improved Current Controller Based on SVPWM for Three-phase Grid-connected Voltage Source Inverters", IEEE 36th Power Electronics Specialists Conference , pp2912-2917, 2005. DOI: http://dx.doi.org/10.1109/PESC.2005.1582047