Switched-Capacitor Nine-Level Inverter
Main Article Content
Abstract
This paper proposes a new configuration of the switched-capacitor multilevel inverter (SCMI). The proposed switched-capacitor nine-level inverter configuration based on switching the capacitors in series and in parallel through the semiconducting switches. The proposed topology does not use more power supplies to raise the output voltage level or the transformers to boost output voltage, moreover the proposed inverter of components are used less than the traditional inverter configuration, thereby reducing the cost and size of the system. To verify the circuit operation, PSIM simulation is performed for 9-level configuration. The experimental results are also shown with 9-level inverter configuration.
Keywords
Multilevel inverter, switched-capacitor, pulse-width modulation (PWM), boost voltage, reduced switch
Article Details
References
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[3] M. Khazraei, H. Sepahvand, K. A. Corzine, M. Ferdowsi, Active capacitor voltage balancing in single-phase flying-capacitor multilevel power converters, IEEE Trans. Ind. Electron, 59, 2, (2012) 769-778.
[4] M. Malinowski, K. Gopakumar, J. Rodriguez, M. A. Pérez, A survey on cascaded multilevel inverters, IEEE Trans. Ind. Electron, 57, 7, (2010) 2197-2206.
[5] A. Ghazanfari, H. Mokhtari, and M. Firouzi, Simple voltage balancing approach for CHB multilevel inverter considering low harmonic content based on a hybrid optimal modulation strategy, IEEE Trans. Power Del, 27, 4, (2012) 2150-2158.
[6] Y. Hinago, H. Koizumi, A switched-capacitor inverter using series/ parallel conversion, IEEE Int. Symp. Circuits Syst, (2010) 3188-3191.
[7] Y. Hinago, H. Koizumi, A Switched-Capacitor Inverter Using Series/Parallel Conversion with Inductive Load, IEEE Trans. Ind. Electron, 59, 2, (2012) 878-887.
[8] M. B. Kalashani, M. Farsadi; A new switched-capacitors boost inverter for renewable energy sources and POD control modulation; Electrical Engineering (ICEE); Iran; 2014; 636-641.
[9] E. Babaei, S. S. Gowgani, Hybrid Multilevel Inverter Using Switched Capacitor Units, IEEE Trans. Ind. Electron, 61, 9, (2014) 4614-4621.
[10] A. Tsunoda, Y. Hinago, H. Koizumi, Level- and Phase-Shifted PWM for Seven-Level Switched-Capacitor Inverter Using Series/Parallel Conversion, IEEE Trans. Ind. Electron, 61, 8, (2014) 4011-4021.
[11] O. C. Mak. A. Ioinovici, Switched-capacitor inverter with high power density and enhanced regulation capability, IEEE Trans. Circuits Syst. 1. Fundam. Theory Appl, 45, 4, (1998) 336-347.