© The Institution of Engineering and Technology
Quasi-Z source cascaded multilevel inverter (qZS-CMI) is an emerging topology applied to photovoltaic (PV) power system. It can overcome disadvantages of conventional CMI-based PV power system, because of achieving the balanced dc-link voltage through using its boost ability, and saving one-third modules. At present, there was not literature to disclose the modelling and controller design for qZS-CMI-based three-phase grid-tie PV power system. In this study, a control scheme for three-phase qZS-CMI-based grid-tie PV power system is proposed, where distributed maximum power point tracking (MPPT) and constant dc-link peak voltage are achieved for all qZS H-bridge inverter (qZS-HBI)-based PV modules, with grid-injected power in unity power factor. The detailed controller parameter design is demonstrated by using Bode plots and the built models of qZS-HBI-based PV module and whole system. A test bench of 7-level three-phase qZS-CMI-based PV power system is built. Simulation and experimental results validate the proposed control scheme and design method.
References
-
-
1)
-
23. Sun, D.S., Ge, B.M., Peng, F.Z., Haitham, A., Bi, D.Q., Liu, Y.S.: ‘A new grid-connected PV system based on cascaded H-bridge quasi-Z source inverter’. 2012 IEEE Int. Symp. on Industrial Electronics (ISIE), May 2012, pp. 951–956.
-
2)
-
13. Ge, B., Abu-Rub, H., Peng, F., et al: ‘An energy stored quasi-Z-source inverter for application to photovoltaic power system’, IEEE Trans. Ind. Electron., 2013, 60, (10), pp. 4468–4481 (doi: 10.1109/TIE.2012.2217711).
-
3)
-
55. de Brito, M., Junior, L., Sampaio, L., Melo, G., Canesin, C.: ‘Evaluation of the main Mppt techniques for photovoltaic applications’, IEEE Trans. Ind. Electron., 2013, 60, (3), pp. 1156–1167 (doi: 10.1109/TIE.2012.2198036).
-
4)
-
12. Rivera, S., Kouro, S., Wu, B., Leon, J.I., Rodriguez, J., Franquelo, L.G.: ‘Cascaded H-bridge multilevel converter multistring topology for large scale photovoltaic systems’. 2011 IEEE Int. Symp. on Ind. Electronics (ISIE), 27–30 June 2011, pp. 1837–1844.
-
5)
-
20. Ge, B.M.: ‘Energy stored cascade multilevel photovoltaic grid-tie power generation system’, , 15 December 2010.
-
6)
-
S. Vazquez ,
J.I. Leon ,
J.M. Carrasco
.
Analysis of the power balance in the cells of a multilevel cascaded H-bridge converter.
IEEE Trans. Ind. Electron.
,
7 ,
2287 -
2296
-
7)
-
27. Cortés, P., Wilson, A., Kouro, S., Rodriguez, J., Abu-Rub, H.: ‘Model predictive control of multilevel cascaded H-bridge inverters’, IEEE Trans. Ind. Electron., 2010, 57, (8), pp. 2691–2699 (doi: 10.1109/TIE.2010.2041733).
-
8)
-
16. Napoles, J., Watson, A.J., Padilla, J.J., et al: ‘Selective harmonic mitigation technique for cascaded H-bridge converters with nonequal DC link voltages’, IEEE Trans. Ind. Electron., 2013, 60, (5), pp. 1963–1971 (doi: 10.1109/TIE.2012.2192896).
-
9)
-
11. Townsend, C.D., Summers, T.J., Vodden, J., Watson, A.J., Betz, R.E., Clare, J.C.: ‘Optimization of switching losses and capacitor voltage ripple using model predictive control of a cascaded H-bridge multilevel statcom’, IEEE Trans. Power Electron., 2013, 28, (7), pp. 3077–3087 (doi: 10.1109/TPEL.2012.2219593).
-
10)
-
13. Koura, S., Fuentes, C., Perez, M., Rodriguez, J.: ‘Single DC-link cascaded H-bridge multilevel multistring photovoltaic energy conversion system with inherent balanced operation’. 30th Annual Conf. on IEEE Industrial Electronics Society (IECON 2012), November 2012, pp. 4998–5005.
-
11)
-
R. Teodorescu ,
F. Blaabjerg ,
M. Liserre ,
P.C. Loh
.
Proportional-resonant controllers and filters for grid-connected voltage-source converters.
IEE Proc. Electr. Power Appl.
,
5 ,
750 -
762
-
12)
-
19. Abu-Rub, H., Malinowski, M., Al-Haddad, K.: ‘Power electronics for renewable energy systems, transportation and industrial applications’ (John Wiley & Sons, Hoboken, NJ, 2014).
-
13)
-
14. Wang, Z., Fan, S.T., Zheng, Y., Cheng, M.: ‘Design and analysis of a CHB converter based PV-battery hybrid system for better electromagnetic compatibility’, IEEE Trans. Magn., 2012, 48, (11), pp. 4530–4533 (doi: 10.1109/TMAG.2012.2198912).
-
14)
-
37. Abu-Rub, H., Iqbal, A., Sk Moin, A., Peng, F.Z., Li, Y., Baoming, G.: ‘Quasi-Z-source inverter-based photovoltaic generation system with maximum power tracking control using ANFIS’, IEEE Trans. Sustain. Energy, 2013, 4, (1), pp. 11–20 (doi: 10.1109/TSTE.2012.2196059).
-
15)
-
3. Saradarzadeh, M., Farhangi, S., Schanen, J.L., Jeannin, P.O., Frey, D.: ‘Application of cascaded H-bridge distribution-static synchronous series compensator in electrical distribution system power flow control’, IET Power Electron., 2012, 5, (9), pp. 1660–1675 (doi: 10.1049/iet-pel.2012.0087).
-
16)
-
2. Aleenejad, M., Iman-Eini, H., Farhangi, S.: ‘Modified space vector modulation for fault-tolerant operation of multilevel cascaded H-bridge inverters’, IET Power Electron., 2013, 6, (4), pp. 742–751 (doi: 10.1049/iet-pel.2012.0543).
-
17)
-
16. Anderson, J., Peng, F.Z.: ‘Four quasi-Z-source inverters’. PESC ‘08 – 39th IEEE Annual Power Electronics Specialists Conf., Rhodes, Greece, 15–19 June 2008, pp. 2743–2749.
-
18)
-
4. Sepahvand, H., Liao, J.S., Ferdowsi, M., Corzine, K.A.: ‘Capacitor voltage regulation in single-DC-source cascaded H-bridge multilevel converters using phase-shift modulation’, IEEE Trans. Ind. Electron., 2013, 60, (9), pp. 3619–3626 (doi: 10.1109/TIE.2012.2206335).
-
19)
-
25. Liu, Y.S., Haitham, A.R., Ge, B.M., Peng, F.Z.: ‘Phase-shifted pulse-width-amplitude modulation for quasi-Z-source cascade multilevel inverter based PV power system’. Proc. of IEEE Energy Conversion Congress & Exposition (ECCE), Denver, CO, 15–19 September 2013, pp. 94–100.
-
20)
-
24. Liu, Y.S., Ge, B.M., Haitham, A.R., Peng, F.Z.: ‘A modular multilevel space vector modulation for photovoltaic quasi-Z-source cascade multilevel inverters’. 28th Annual IEEE Applied Power Electronics Conf. and Exposition (APEC), 17–21 March 2013, pp. 714–718.
-
21)
-
9. Chavarria, J., Biel, D., Guinjoan, F., Meza, C., Negroni, J.J.: ‘Energy-balance control of PV cascaded multilevel grid-connected inverters under level-shifted and phase-shifted PWMs’, IEEE Trans. Ind. Electron., 2013, 60, (1), pp. 98–111 (doi: 10.1109/TIE.2012.2186108).
-
22)
-
26. Liu, Y.S., Ge, B.M., Peng, F.Z., Haitham, A.R., de Almeida, A.T., Ferreira, F.J.T.E.: ‘Quasi-Z-source inverter based PMSG wind power generation system’. 2011 IEEE Energy Conversion Congress and Exposition (ECCE), September 2011, pp. 291–297.
-
23)
-
F.Z. Peng
.
Z-source inverter.
IEEE Trans. Ind. Appl.
,
2 ,
504 -
510
-
24)
-
8. Dell'Aquila, A., Liserre, M., Monopoli, V.G., Rotondo, P.: ‘Overview of PI-based solutions for the control of DC buses of a single-phase H-bridge multilevel active rectifier’, IEEE Trans. Ind. Appl., 2008, 44, (3), pp. 857–866 (doi: 10.1109/TIA.2008.921405).
-
25)
-
11. Zhou, Y., Liu, L., Li, H.: ‘A high-performance photovoltaic module-integrated converter (MIC) based on cascaded quasi-Z-source inverters (qZSI) using eGaN FETs’, IEEE Trans. Power Electron., 2013, 28, (6), pp. 2727–2738 (doi: 10.1109/TPEL.2012.2219556).
-
26)
-
25. Keshavarzian, A., Iman-Eini, H.: ‘A Redundancy-based scheme for balancing DC-link voltages in cascaded H-bridge rectifiers’, IET Power Electron., 2013, 6, (2), pp. 235–243 (doi: 10.1049/iet-pel.2012.0533).
-
27)
-
22. Xue, Y.S., Ge, B.M., Peng, F.Z.: ‘Reliability, efficiency and cost comparisons of MW-scale photovoltaic inverters’. 2012 IEEE Energy Conversion Congress and Exposition (ECCE), September 2012, pp. 1627–1634.
-
28)
-
7. Beig, A.R., Dekka, A.: ‘Experimental verification of multilevel inverter-based standalone power supply for low-voltage and low-power applications’, IET Power Electron., 2012, 5, (6), pp. 635–643 (doi: 10.1049/iet-pel.2011.0301).
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