Modeling and Simulation of Three-Phase Two-Level Grid-Connected Photovoltaic System

Abstract:

The model and simulation of three-phase Two-level Grid-connected Photovoltaic System are established. According to the equivalent circuit and mathematical model of the PV cell, the general simulation model of photovoltaic array is established. Regulating duty ratio in Boost circuit to realize the maximum power point tracing with method of high-precision incremental conductance. Model of photovoltaic inverter is established based on power decoupling vector control strategy. SVPWM modulation improves the utilization ratio of voltage in DC side. Finally, the simulation of three-phase two-level grid-connected photovoltaic system is conducted in MATLAB. The result shows that the system can rapidly and accurately track maximum power point and the output of current keep in the same frequency and phase, which can be connected to power grid flexibly.

• Periodical: Applied Mechanics and Materials (Volumes 291-294)
• Pages: 181-187
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.291-294.181
• Online since: February 2013
• Authors: Long Hu Chen, Shao Lou Song, Xiao Ju Chen, Jian Rong Zhao
• Keywords: Decoupling Control, Grid Connected Photovoltaic, MATLAB Simulation, MPPT, SVPWM

References

[1] Antonio L, Steven H. Handbook of photovoltaic science and engineering. Chichester. Hoboken, NJ: Wiley, (2003).

[2] Zhen Shicheng, Research on Photovoltaic Generation System and Its Control [D]. Hefei: HeFei University of Technology, (2005).

[3] Mao Meiqin, Yu Shijie, Su Jianhui. Versatile Matlab Simulation Model for Photovoltaic Array with MPPT Function[J]. Acta Simulata Systematica Sinica, 2005 (5): 1248-1251.

[4] Gilbert M. Renewable and Efficient Electric Power Systems [M]. New Jersey: John Wiley & Sons, Inc., Publication, 2004: 477-485.

[5] Liu Fei, Research on Operation Control of Three-Phase Grid Connected Photovoltaic Power System[D]. Wuhan : Huazhong University of Science and Technology, (2008).

[6] Salas V, Manzanas M J, Lazaro A, et al. Analysis of control strategies for solar regulators[A]. IEEE International Symposium on Industrial Electronics [C] , 2002, 936-941.

DOI: 10.1109/isie.2002.1025859

[7] Milosevic Mirjana，Allmeling Jost，Andersson， Goran．Interaction between hysteresis controlled inverters used in distributed generation systems[C]．IEEE Power Engineering Society General Meeting，Denver，Colorado，USA，2004.

DOI: 10.1109/pes.2004.1373270

[8] Xu Dehong. Modeling and control of power electronics system[M]. Beijing: Mechanical Industry Press, (2006).

[9] Shaolou Song , Longhu Chen. Study on AC-Excited Control Strategy of VSCF Wind Power Generation System[A]. 2010 International Conference on E-Product E-Service and E-Entertainment[C], 2010, 3436-3439.

DOI: 10.1109/iceee.2010.5661628

[10] Wang Haining, Su Jianhui, Ding Ming, Zhang Guorong. Photovoltaic Grid Connected Power Conditioner System[J]. Proceedings of the CSEE, 2007(27): 75-79.

[11] Yi Lingzhi, Peng Hanmei, Wang Genping. Study Of Decoupling Control Algorithm Based On Grid Line Voltage Space Vector In Three-Phase Photovoltaic Grid-Connected Inverter[J], Acta Energiae Solaris Sinica, 2010(31): 72-78.

DOI: 10.1109/ccdc.2010.5498791

[12] Wang Haining, Su Jianhui, Zhang Guorong. Unitive Control of PV Grid Connected Generation and Reactive Compensation[J]. Transactions of China Electrotechnical Society, 2005(20): 114-118.

[13] Hou Limin, Li Hongzhu, Wang Wei. Principle of SVPWM and its realization based on DSP[J]. Journal of Liaoning Technical University(Natural Science), 2007(26): 898-900.

[14] Lohner A, Meyer T, Nagel A. A new panel-integratable inverter concept for grid-connected photovoltaic systems. IEEE Proc. of ISIE'96. Poland: IEEE press, 1996, 2: 827～831.

DOI: 10.1109/isie.1996.551050