Modelling and Analysis of Voltage Mode Controlled Luo Converter
Divya Navamani Jayachandran1, Vijayakumar Krishnaswamy1, Lavanya Anbazhagan1 & Karthikeyan Dhandapani1 Show affiliations
- Department of EEE, SRM University, India
American Journal of Applied Sciences, Volume 12, Issue 10, pp. 766–774 · doi.org/10.3844/ajassp.2015.766.774
Abstract
This paper presents the analysis of open loop power stage dynamics relevant to voltage mode control for elementary Luo DC-DC converter for certain specific applications like Hybrid Electric Vehicles, fuel cell vehicles. A comparative analysis is carried out on positive output super lift series of converters to evaluate voltage gain, output voltage ripple, stresses on the switches and efficiency. The most suitable converter is modelled and verified using State Space average method and Circuit averaging technique. The transfer function from duty cycle to output voltage and input voltage to output voltage are derived. The transfer function can be used in modelling the complete luo converter when voltage mode control is used. Also a simple efficiency modelling technique is proposed with computer simulation using MATLAB/SIMULINK that confirms the predicted results.
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Jayachandran, D. N., Krishnaswamy, V., Anbazhagan, L. & Dhandapani, K. (2015). Modelling and Analysis of Voltage Mode Controlled Luo Converter. American Journal of Applied Sciences, 12(10), 766–774. https://doi.org/10.3844/ajassp.2015.766.774
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