Single-carrier modulation for neutral-point-clamped inverters in three-phase transformerless photovoltaic systems

IEEE Transactions on Power Electronics

Volumn 28, Issue 6, 2013, Pages 2635-2637

  Guo, Xiaoqiang ^a   Cavalcanti, Marcelo C ^b   Farias, Alexandre M ^b   Guerrero, Josep M ^c  

^a YANSHAN UNIVERSITY   (China)

^b FEDERAL UNIVERSITY OF PERNAMBUCO   (Brazil)

^c AALBORG UNIVERSITY   (Denmark)

Author keywords

Common mode voltage; Modulation; Neutralpoint clamped inverter; Transformerless photovoltaic (PV) system

Indexed keywords

COMMON MODE VOLTAGE; MODULATION STRATEGY; NEUTRAL-POINT-CLAMPED INVERTERS; PHOTOVOLTAIC SYSTEMS; SIMPLE STRUCTURES; SINGLE CARRIER MODULATION; SPACE VECTOR MODULATION; TRANSFORMERLESS;

LEAKAGE CURRENTS; PHOTOVOLTAIC CELLS; VECTOR SPACES;

MODULATION;

EID: 84884585589     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2012.2224138     Document Type: Article

References (16)

1. R. Gonzalez, J. Lopez, P. Sanchis, and L. Marroyo, "Transformerless inverter for single-phase photovoltaic systems," IEEE Trans. Power Electron., vol. 22, no. 2, pp. 693-697, Mar. 2007. (Pubitemid 46523195)
2. R.Gonzalez, E. Gubia, J. Lopez, and L.Marroyo, "Transformerless singlephase multilevel-based photovoltaic inverter," IEEE Trans. Ind. Electron., vol. 55, no. 7, pp. 2694-2702, Jul. 2008.
3. M. C. Cavalcanti, K. C. Oliveira, A. M. Farias, F. A. S. Neves, G. M. Azevedo, and F. C. Camboim, "Modulation techniques to eliminate leakage currents in transformerless three-phase photovoltaic systems," IEEE Trans. Ind. Electron., vol. 57, no. 4, pp. 1360-1368, Apr. 2010.
4. S. V. Araujo, P. Zacharias, and R. Mallwitz, "Highly efficient single-phase transformerless inverters for grid-connected photovoltaic systems," IEEE Trans. Ind. Electron., vol. 57, no. 9, pp. 3118-3128, Sep. 2010.
5. O. Lopez, F. D. Freijedo, A. G. Yepes, P. Fernandez-Comesaa, J. Malvar, R. Teodorescu, and J. Doval-Gandoy, "Eliminating ground current in a transformerless photovoltaic application," IEEE Trans. Energy Convers., vol. 25, no. 1, pp. 140-147, Mar. 2010.
6. T. Kerekes, R. Teodorescu, P. Rodŕguez, G. V́azquez, and E. Aldabas, "A new high-efficiency single-phase transformerless PV inverter topology," IEEE Trans. Ind. Electron., vol. 58, no. 1, pp. 184-191, Jan. 2011.
7. W. Yu, J.-S Lai, H Qian, and C. Hutchens, "High-efficiency MOSFET inverter with H6-type configuration for photovoltaic nonisolated ac module applications," IEEE Trans. Power Electron., vol. 26, no. 4, pp. 1253-1260, Apr. 2011.
8. H. Xiao, S. Xie, Y. Chen, and R. Huang, "An optimized transformerless photovoltaic grid-connected inverter," IEEE Trans. Ind. Electron., vol. 58, no. 5, pp. 1887-1895, May 2011.
9. F. Bradaschia, M. C. Cavalcanti, P. E. P. Ferraz, F. A. S. Neves, E. C. dos Santos, and J. H. G. M. da Silva, "Modulation for three-phase transformerless z-source inverter to reduce leakage currents in photovoltaic systems," IEEE Trans. Ind. Electron., vol. 58, no. 12, pp. 5385-5395, Dec. 2011.
10. B. Yang, W. Li, Y. Gu, W. Cui, and X. He, "Improved transformerless inverter with common-mode leakage current elimination for a photovoltaic grid-connected power system," IEEE Trans. Power Electron., vol. 27, no. 2, pp. 752-762, Feb. 2012.
11. J.-M. Shen, H.-L. Jou, and J.-C. Wu, "Novel transformerless gridconnected power converter with negative grounding for photovoltaic generation system," IEEE Trans. Power Electron., vol. 27, no. 4, pp. 1818-1829, Apr. 2012.
12. J. Rodriguez, L. G. Franquelo, S. Kouro, J. I. Leon, R. C. Portillo, M. A. M. Prats, and M. A. Perez, "Multilevel converters: An enabling technology for high-power applications," Proc. IEEE, vol. 97, no. 11, pp. 1786-1817, Nov. 2009.
13. N. Van Nho and H.-H. Lee, "Analysis of carrier PWM method for common mode elimination in multilevel inverters," in Proc. Eur. Conf. Power Electron., 2007, pp. 1-10.
14. K. Zhou and D. Wang, "Relationship between space-vector modulation and three-phase carrier-based PWM: A comprehensive analysis," IEEE Trans. Ind. Electron., vol. 49, no. 1, pp. 186-196, Jan. 2002. (Pubitemid 34291369)
15. D. Yazdani, A. Bakhshai, G. Joos, and M. Mojiri, "A nonlinear adaptive synchronization technique for grid-connected distributed energy sources," IEEE Trans. Power Electron., vol. 23, no. 4, pp. 2181-2186, Jul. 2008.
16. M. Ciobotaru, V. G. Agelidis, R. Teodorescu, and F. Blaabjerg, "Accurate and less-disturbing active anti-islanding method based on PLL for grid-connected converters," IEEE Trans. Power Electron., vol. 25, no. 6, pp. 1576-1584, Jun. 2010.