그림 1. 태양전지의 등가회로 Fig. 1. equivalent circuit of solar cell.
그림 2 태양전지의 MPPT 곡선 Fig. 2. MPPT curve of solar cell.
그림 3. 태양전지의 일사량에 따른 출력특성 Fig. 3. solar cell output characteristics with varying radiation.
그림 4. 태양광발전 구성도 Fig. 4. configuration of the photovoltaic system.
그림 5 전압형인버터 시스템 구성 Fig. 5. system consist of voltage source inverter.
그림 6. 부스트 컨버터(초퍼)의 회로도 Fig. 6. (a) step up chopper circuit (b) operation waveform.
그림 7. 하프 브리지 DC-DC 컨버터 Fig. 7. half-bridge DC-DC converter.
그림 8. 하프 브리지 M3, M5의 게이트 전압 Fig. 8. gate voltage of half-bridge converter M3, M5.
그림 9. 스위치 ON, 다이오드 OFF 상태일 때 Fig. 9. state of switch on, diode off.
그림 10. 스위치 OFF, 다이오드 ON 상태일 때 Fig. 10. state of switch off, diode on.
그림 11 최대 출력점 추적제어 흐름도 Fig. 11. flow chart of MPPT control.
그림 12 PCS의 구성도 Fig. 12. construction diagram of power conditioner system.
그림 13. 태양광 발전과 전체시스템 블럭도 Fig. 13. construction block diagram and PV generation.
그림 14. 제어 시스템 구성도 Fig. 14. Schematic of control system.
그림 15. PSIM모델과 DLL 소스 Fig. 15. PSIM model and DLL source.
그림 16. boost 컨버터 시뮬레이션 회로 Fig. 16. Simulation circuit of boost converter.
그림 17. 태양전지 어레이에 대한 특성곡선. Fig. 17. characteristic waveform of four solar cell.
그림 18. 부스트 컨버터 시뮬레이션 파형 Fig. 18. simulation waveform of boost converter.
그림 21. 계통 연계 시 인버터 파형 Fig. 21. Inverter waveform at system links.
그림 19. P&O MPPT 구동 파형 Fig. 19. waveform of P&O MPPT.
그림 20 부하 연결 출력전류 (350W 출력 시) Fig. 20. Output current at load connection(at output 350W)
참고문헌
- M. Nagao, and K. Harada, "Power flow of photovoltaic system using buck-boost PWM power inverter," in Proceedings of Second International Conference on Power Electronics and Drive Systems, IEEE/PEDS, Singapore, Vol. 1, pp. 144-149, 1997.
- J. M. A. Myrzlk, "Novel inverter topologies for single-phase stand-alone or grid connected photovoltaic systems," in 4th IEEE-Proceedings of Second International Conference on Power Electronics and Drive Systems, Denpasar: Indonesia, Vol.1, pp.103-108, 2001.
- B. K. Bose, P M. Szczesny, and R L. Steigerwald "Microcomputer control of a residential photovoltaic power conditioning system," IEEE Transactions on Industry Application, Vol. IA-21, Issue: 5 , pp. 1182-1191, Sept. 1985. https://doi.org/10.1109/TIA.1985.349522
-
B. G Lee and J. R Yoon, "Synthesis of high-performance
$Li4Ti_5O12$ and its application to the asymmetric hybrid capacitor," Material of Electrochemistry, Vol. 9, No. 6, pp.112-116, 2013. - X. Zou, K. Yu, Z. Zheng, X. Chen, Z. Zou, and D. Liao, "Dynamic current limitation circuit for white LED driver," in IEEE Asia Pacific Conference on Circuits and Systems, Macao: China , pp. 898-901, 2008.
- W. Y. Leung, T. Y. Man. and M. Chan, "A high-power-LED driver with power-efficient LED-current sensing circuit," in IEEE 2008-34th European Solid-State Circuits Conference, Edinburgh: UK, pp. 354-357, 2008.
- H. J. Chiu, Y. K. Lo, J. T.Chen, S. J. Cheng, C. Y. Lin, and S. C. Mou, "A high-efficiency dimmable LED driver for low-power lighting applications," IEEE Transactions on Industrial Electronics, Vol. 57, No. 2, pp. 735-743, 2010. https://doi.org/10.1109/TIE.2009.2027251
- X. X. Wang, K. Murakami, O. Sugiyama, and S. Kaneko "Piezoelectric properties, densification behavior and microstructural evolution of low temperature sintered PZT ceramics with sintering aids," Journal European Ceramic Society, Vol. 21, No. 10, pp.1367-1373, 2011. https://doi.org/10.1016/S0955-2219(01)00020-6
- M. B. Lonnon, R. Shah, Scott Brown, K. Hess "LED Lighting and Super capacitors" 2013, KEMET Electronics Corporation, [Internet]. Available: http://www.kemet.com/an1004 code:
- J. Hu, Y. Fuda, M. Katsuno and T. Yoshida. "A study on the rectangular-bar-shaped multi layer piezoelectric transformer using length extensional vibration mode," Japan Journal Apply Physics, Vol. 38, No. 5B, pp. 3208-3212, 2009.
- S. Kawashima, S. Tagami, H. Hakamata, A. Fukuoka and K. Isobe, "Development of color-LCD backlight inverters utilizing piezoelectric transformer," NEC Research and Development, Vol. 36, No. 1, pp. 187-199, 2005.
- N. Narendran, N. Maliyagoda, L. Deng, and R. Pysar "Characterizing LEDs for general illumination applications: mixed-color and phosphor-based white source," in International Symposium on Optical Science and Technology, San Diego: CA, Vol. 1, No. 2, pp. 4445-4450, 2001.
- Y. J. Na, A study on the PWM(Pulse Width Modulation)current source inverter driving by using a source synchronous type of the utility interactive system for photovoltaic and wind power, Master dissertation, Semyung University Jecheon city chungbuk korea, pp. 5-12, February, 2015.
- M. H. Kim, A study on power LED driving constant current type DC-DC converter using micro controller, Master dissertation, Semyung University, Chungbuk-do, korea, pp, 12-16, February, 2011.
- J. H. Kang. A study on the DC-DC converter driving using piezoelectric energy harvesting ceramics, Master dissertation, Semyung University, Jecheon city chungbuk korea, pp. 24-25, February, 2011.
- W. Bolton, Mechatronics, Electronic Control Systems in Mechanical and Electrical Engineering, 6th ed, India, India: Pearson Education India, 2003.
- Syed A. Raza, "How to design boost converter", https://www.hindawi.com/journals/ijp/2018/3286479/, The University of Western Ontario, London, Canada, 2012