A Switched Capacitor Boost Multilevel Inverter with Reduced Switches and Voltage Stresses

Document Type : Original Article

Authors

1 electrical engineering department, faculty of engineering, Menoufia university.

2 Electrical engineering department, faculty of engineering, Menoufia University, Egypt

3 electrical engineering,Faculty of engineering,menoufia university

Abstract

The paper introduces a five-level double-boost switched capacitor inverter configuration which is useful for the application of (PV) systems. The basic construction of the circuit consists of six IGBT switches, one diode, a single capacitor, and a DC supply to produce five levels of the inverter's voltage with double boosting capability. Without the use of an auxiliary circuit or complicated algorithms, the used capacitor considers being a self-balanced voltage. The description, mathematical analysis, and operation modes of the circuit are described. A modulation strategy and a simple control technique are applied. The performance features of this proposed circuit are demonstrated by using (MATLAB-Simulink) software. A prototype for (SCDBMLI) is carried on and tested in the lab to validate the inverter. The outcomes from simulation and experiment have been examined in a variety of conditions. Additionally, the proposed topology has been confirmed by great agreement between the experimental and simulation results.

Keywords

ERJ. Engineering Research Journal
Volume 48, Issue 3
Issued on 1/7/2025 in 3 Parts: Part (1): Electrical Engineering, Part (2): Civil Engineering, Part (3): Architectural Engineering
July 2025
Pages 191-203

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