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Home / Archives / Volume-4 / Issue-1 / Article-4

Volume - 4 | Issue - 1 | march 2022

Design of Modified Luo Converter for Electric Vehicle Battery Charger
S. Vijay  , S. Chitra
Pages: 32-40
Cite this article
Vijay, S. & Chitra, S. (2022). Design of Modified Luo Converter for Electric Vehicle Battery Charger. Journal of Electrical Engineering and Automation, 4(1), 32-40. doi:10.36548/jeea.2022.1.004
Published
26 April, 2022
Abstract

Higher energy and battery efficiency are now major concerns for Electric Vehicle (EV) manufacturers and consumers. The main component of the two-stage EV on-board charger is the DC-DC converter. The phase displacement of full-bridge to operate the switch at either zero voltage or zero current in a power switch DC-DC converter, currently has issues such as voltage variation on the consequent side, which is secondary of the transformer, and it implies poor performances. Power Factor Correction (PFC) converters used in modern EV chargers achieve high performance and adequacy throughout charging. A modified luo converter is designed to achieve high efficiency in EV charging. A luo converter is a type of PFC that is commonly used as a converter of DC to DC with improved voltage regulation in the presence of rapidly changing line voltages. In this aimed work, a reformed separate Luo converter-based electric vehicle charger is developed. To suppress voltage oscillations, two devices which means switches and two clipping diodes are connected at the elementary side in the detachment of High Frequency Transformer (HFT). The Luo converter handles Discontinuous Conduction Mode (DCM) of operation, decreases control complexity, and keeps converter's output constant. In the feedback system, the Constant Current and Constant Voltage (CC-CV) mode technique is used in conjunction with the PI controller to improve competence and reduce transmission leakage. The proposed system's performance is evaluated by applying in MATLAB/SIMULINK software, and the outcomes are promising.

Keywords

Power Factor Correction Discontinuous Conduction Mode and High Frequency Transformer

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