In this paper, several optimum structures of a cascaded multilevel inverter is proposed. This optimization is based on generation a constant number of output voltage levels by using minimum number of power switches or dc voltage sources or minimum amount of blocked voltage by power switches. In addition, the optimum structure for a constant number of dc voltage sources by using minimum number o...

In modern industrial and power electronics applications, high-voltage high-current integrated modular transistors (IGBTs) are increasingly being utilized. The F-type inverter, which is a modified version of the T-type has emerged as promising option. This configuration separates common point bidirectional switch, reducing voltage stress resulting in lower inverter costs losses. simplified desig...

This article addressed the problem of matrix converters (MxC), specifically investigation power losses and converter efficiency in a 3 × 5 arrangement. In today’s modern world, is very important; hence, loss analysis are important throughout design process semiconductor converters. The ability to evaluate more quickly using simulation approach can greatly reduce amount time necessary for design...

in this paper, a new topology is proposed for three-phase to single-phase matrix converters, where more voltage levels are produced in the output in comparison with the conventional topologies. in addition, a new control method based on minimum error between the generated and the desired output voltages is proposed for three-phase to single-phase matrix converters. in the proposed control metho...

Abstract A MOSFETs switching times calculation method for the known modulation strategy bidirectional buck + boost DC-DC converter is presented. former low-loss, constant-frequency based on a negative inductor offset current takes place at beginning of each conversion period which provides ability to turn converter’s MOSFET switches under zero-voltage and zero (ZVS/ZCS) condition. Time interval...

<span>A novel matrix converter has been developed for 3-phase to 5-phase conversion using a space vector pulse width modulation. The organized generate AC output voltage from input with help of SVPWM method; bidirectional power switches placed in controlled by appropriate switching pulse. Space modulation (SVPWM) provides better utilization applied voltage, improved reduced total harmonic...

The DC-DC converters are the essential modules in electric vehicles, grid interface of renewable energy sources and DC power supplies. This paper presents a novel high gain bidirectional switched Z-source converter. proposed converter utilizes switched-capacitor concept with inductors for voltage gain. wide operating range operation both boost buck mode operation. has common ground between inpu...

This article presents a novel integrated cascade bidirectional dc–dc converter for optimizing centralized charge equalization system. Through the structure, polarity switches and in traditional system are integrated, cells with different voltage polarities equalized by controlling operating state of converter. Compared conventional methods, number active is significantly reduced, leading to mor...