Research of Coupled Inductance Three-Level Sepic Converter based on Parasitic Resistance

All components are accompanied by some parasitic parameters during the DC converter experiment. These parameters have a certain effect on the voltage conversion rate and efficiency of the converter. In this paper, a three-level Sepic converter with high-voltage gain and low-voltage stress coupled in...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-08, Vol.1284 (1), p.12070
Main Authors: Guo, Zhen, Zhang, Hong-xing, Liu, Yun, Zhao, De-lin, Yu, Lei, Liu, Feng-yu, Yu, Dai-ling
Format: Article
Language:English
Subjects:
Circuits
Differential equations
Impact analysis
Inductance
Parameters
Physics
Voltage converters (DC to DC)
Voltage gain
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Summary:All components are accompanied by some parasitic parameters during the DC converter experiment. These parameters have a certain effect on the voltage conversion rate and efficiency of the converter. In this paper, a three-level Sepic converter with high-voltage gain and low-voltage stress coupled inductor is studied to optimize the performance of existing DC converters. Firstly, constructing the differential equation of the converter according to the state space averaging method. Then, calculate the relationship between voltage gain and converter efficiency under the influence of parasitic parameters for analyzing the impact of each parasitic parameter on circuit performance. At last, through the Saber simulation, a correct result of the parasitic parameters affecting the converter is obtained.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1284/1/012070