Abstract
The utilization of plug-in electric vehicles (PEV) has started to garner more attention worldwide considering the environmental and economic benefits. This has led to the invention of new technologies and motifs associated with batteries, bidirectional converters and inverters for Electric Vehicle applications. In this paper, a novel design and control of chopper circuit is proposed and configured with the series and parallel connection of the power electronic based switches for two-way operation of the converter. The bidirectional action of the proposed converter makes it suitable for plug-in electric vehicle applications as the grid is becoming smarter. The DC–DC converter is further interfaced with the designed multilevel inverter (MLI). The reduced switches associated with the novel design of MLI have overcome the cons associated with the conventional inverters in terms of enhanced performance in the proposed design. Further, novel control strategies have been proposed for the DC–DC converter based on Proportional Integral (PI) and Fuzzy based control logic. For the first time, the performance of the entire system is evaluated based on the comparison of proposed PI, fuzzy, and hybrid controllers. New rules have been formulated for the Fuzzy based controllers that are associated with the Converter design. This has further facilitated the interface of bidirectional DC–DC converter with the proposed MLI for an enhanced output voltage. The results indicate that the proposed hybrid controller provides better performance in terms of voltage gain, ripple, efficiency and overall aspects of power quality that forms the crux for PEV applications. The novelty of the design and control of the overall topology has been manifested based on simulation using MATLAB/SIMULINK.
Highlights
Plug-in electric vehicles (PEV)-based technology has gained a lot of interest considering the environmental concerns to reduce pollutant emissions and its contribution towards green energy
Fuzzy logic control (FLC) is a technique to epitomize human-like thinking into a control system
A novel Multilevel inverter (MLI) fed with a controlled bidirectional chopper circuit is designed
Summary
Plug-in electric vehicles (PEV)-based technology has gained a lot of interest considering the environmental concerns to reduce pollutant emissions and its contribution towards green energy. The recent development in the concepts of smart grid and microgrid, smart meters, and smart homes anticipates PEVs to emerge as a smart solution for transportation [1,2,3,4,5]. The performance of EV’s are enhanced in terms of power quality and efficiency when they are fed with a controlled high gain converter topologies. Multilevel inverter (MLI) topologies have gained more attention due to its advantages such as high efficiency, reduced harmonics (enhanced power quality), and better electromagnetic interference (EMI).
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