### Harmonic Reduction of Fuzzy PI Controller Based Three-Phase Seven-Level DCMLI with SVPWM for Grid Connected Photovoltaic System

**DOI's assignment:**

*the author of the article can submit here a request for assignment of a DOI number to this resource!*

**Cost of the service: euros 10,00 (for a DOI)**

#### Abstract

This paper presents a control for a three-phase seven-level diode-clamped multilevel inverter (DCMLI) for grid connected photovoltaic (PV) systems which improves dc link utilization, output voltage quality and avoids the dc link capacitor voltage balancing problem experienced with standard multilevel operation. The maximum power point tracking (MPPT) is capable of extracting maximum power from PV array connected to each DC link voltage level. The MPPT algorithm is solved by fuzzy logic controller (FLC). Space vector pulse width modulation (SVPWM) algorithm uses a simple mapping to generate gate signals for the inverter. A digital proportional integral (PI) current control algorithm is used to remain the current injected into the grid sinusoidal and to achieve high dynamic performance with low total harmonic distortion (THD). The validity of the system is verified through MATLAB/Simulink and the results are compared with three-phase three-level and five-level DCMLI for PV system in terms of THD. Finally, simulation results are presented to verify the effectiveness and accuracy of the proposed system. *Copyright © 2014 Praise Worthy Prize - All rights reserved.*

#### Keywords

#### Full Text:

PDF#### References

Villalva M.G, Gazoli, J.R, Filho E.R, Comprehensive approach to modelling and simulation of photovoltaic arrays, IEEE Trans. Power Electron. 2009, 24, (5), 1198-1208.

Subiyanto, Mohamed, A., Hannan, M.A., Photovoltaic maximum power point tracking controller using a new high performance boost converter, (2010) International Review of Electrical Engineering (IREE), 5 (6), pp. 2535-2545.

Rodriguez J, Jih-Sheng Lai, Fang Zheng Peng, Multilevel inverters: a survey of topologies, controls, and applications, IEEE Trans. Ind. Electron. 2002, 49, (4), 724-738.

Cegila G, Guzman V, Sanchez C, Ibanez F, Walter J, Gimenez, M.I, A new simplified multilevel inverter topology for DC-AC conversion, IEEE Trans. Ind. Electron. 2006, 21, (5), 1311-1319.

Celanovic N, Boroyevich D, A comprehensive study of neutral-point voltage balancing problem in three-level neutral-point-clamped voltage source PWM inverters, IEEE Trans. Power Electron. 2000, 15, (2), 242-249.

Marchesoni M, Tenca P, Diode-clamped multilevel converters: A practicable way to balance DC-link voltages, IEEE Trans. Ind. Electron. 2002, 49, (4), 752-765.

Colak, Ilhami, Kabalci, Ersan, Bayindir, Ramazan, Review of multilevel voltage source inverter topologies and control schemes, Energy Convers. Manage., 2011, 52, 1114-1128.

Oleschuk, V., Griva, G., Spertino, F., Dual neutral-point-clamped converters with synchronized PWM for photovoltaic installations, (2010) International Review of Electrical Engineering (IREE), 5 (1), pp. 56-63.

Busquets-Monge S, Rocabert J, Rodriguez P, Alepuz S, Bordonau J, Multilevel diode-clamped converter for photovoltaic generation with independent voltage control of each solar array, IEEE Trans. Ind. Electron. 2008, 55, (7), 2713-2723.

Damiano, A., Gatto, G., Marongiu, I., Meo, S., Perfetto, A., Serpi, A., Single-stage grid connected PV inverter with active and reactive power flow control via PSO-PR based current controlled SVPWM, (2012) International Review of Electrical Engineering (IREE), 7 (4), pp. 4647-4654.

Balamurugan, C.R., Natarajan, S.P., Shanthi, B., dSPACE based implementation of multicarrier PWM strategies for three phase five level Cascaded Inverter, (2013) International Review of Electrical Engineering (IREE), 8 (1), pp. 65-74.

Wu F.J, Zhao K, Sun L, Simplified multilevel space vector pulse-width modulation scheme based on two-level space vector pulse-width modulation, IET Power Electron. 2012, 5, (5), 609-616.

Mathew K, Mathew J, Azeez N.A, Dey A, Umanand L, Gopakumar K, Multilevel dodecagonal space-vector generation for induction motor drives by cascading three-level and two-level inverters, IET Power Electron. 2012, 5, (8), 1324-1332.

Villanueva E, Correa P, Rodriguez J, Pacas M, Control of a single-phase cascaded H-bridge multilevel inverter for grid connected photovoltaic systems, IEEE Trans. Ind. Electron. 2009, 56, (11), 4399-4406.

Selvaraj J, Rahim N.A, Multilevel inverter for grid-connected PV system employing digital PI controller, IEEE Trans. Ind. Electron. 2009, 56, (1), 149-158.

Cecati C, Ciancetta F, Siano P, A multilevel inverters for photovoltaic systems with fuzzy logic control, IEEE Trans. Ind. Electron. 2010, 57, (12), 4115-4125.

Ravi A, Manoharan P.S, Vijay Anand J, Modeling and simulation of three phase multilevel inverter for grid connected photovoltaic systems, Solar Energy. 2011, 85, 2811-2818.

Ravi A, Manoharan P.S, Valan Rajkumar M, Harmonic reduction of three-phase multilevel inverter for grid connected photovoltaic system using closed loop switching control, International Review on Modelling and Simulations (IREMOS). 2012, 5, (5), 1934-1942.

Zhang Z.J, Bergmann N.W, Li H.M, A novel grid connected multi-input direct DC-AC converter, International Review of Electrical Engineering 2012, 7, (5), 5400-5412.

Wen-Yeau Chang, A hybrid islanding dectection method for grid-connected renewable generation system, International Review of Electrical Engineering 2013, 8, (2), 802-809.

Ray R.N, Chatterjee D, Goswami S.K, Harmonics elimination in multilevel inverter using particle swarm optimization technique, IET Power Electron. 2009, 2, (6), 646-652.

Yousefpoor N, Fathi S.H, Farokhnia N, Abvaneh H.A, THD minimization applied directly on the line-to-line voltage of multilevel inverters, IEEE Trans. Ind. Electron. 2012, 59, (1), 373-380.

Valan Rajkumar M, Manoharan P.S. FPGA based multilevel inverters with SVPWM algorithm for photovoltaic system. Solar Energy. 2013; 87: 229-245.

Valan Rajkumar M, Manoharan P.S, Ravi A. Simulation and an experimental investigation of SVPWM technique on a multilevel voltage source inverter for photovoltaic system. Electrical Power and Energy Systems. 2013; 52: 116-131.

Valan Rajkumar, M., Manoharan, P.S., Modeling, simulation and harmonic reduction of three-phase multilevel cascaded inverters with SVPWM for photovoltaic system, (2013) International Review on Modelling and Simulations (IREMOS), 6 (2), pp. 342-350.

Yu Liu, Hoon Hong, Huang, A.Q, Real-time algorithm for minimizing THD in multilevel inverters with unequal or varying voltage steps under staircase modulation, IEEE Trans. Ind. Electron. 2009, 56, (6), 2249-2258.

Zhiquo Pan, Peng, F.Z, Harmonics optimization of the voltage balancing control for multilevel converter/inverter systems, IEEE Trans. Power Electron. 2006, 21, (1), 211-218.

Adam G.P, Finney S.J, Ojo O, Williams B.W, Quasi-two-level and three-level operation of a diode-clamped multilevel inverter using space vector modulation, IET Power Electron. 2012, 5, (5), 542-551.

### Refbacks

- There are currently no refbacks.

Please send any question about this web site to info@praiseworthyprize.com**Copyright © 2005-2021 Praise Worthy Prize**