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An Analysis and Modeling of the Class-E Inverter for ZVS/ZVDS at Any Duty Ratio with High Input Ripple Current

Ashique, Ratil H.; Shihavuddin, A.S.M.; Khan, Mohammad Monirujjaman; Islam, Aminul; Ahmed, Jubaer; Arif, M. Saad Bin; Maruf, Md Hasan; Mansur, Ahmed Al; Siddiquee, Ashraf

Authors

Ratil H. Ashique

A.S.M. Shihavuddin

Mohammad Monirujjaman Khan

Aminul Islam

M. Saad Bin Arif

Md Hasan Maruf

Ahmed Al Mansur

Ashraf Siddiquee



Abstract

This paper presents an analysis and modeling of the class-E inverter for ZVS/ZVDS execution at any duty ratio. The methodology is to determine the input current to the inverter analytically under the assumption that it always remains positive. The latter is ensured by proper selection of the input inductance such that the inverter always operates either in (1) the border condition mode or in (2) the continuous conduction mode regardless of the input ripple. Using this input current and applying the boundary conditions, the required input capacitance for the ZVS/ZVDS execution is determined at a specified input/output voltage, output power and load. The analysis shows that the ZVS/ZVDS can be achieved while the input capacitance is selected appropriately. A comparison between the analytical and simulation results is also formulated involving the proposed and other existing models. The simulation results that are provided at different duty ratios demonstrate that they are in a better agreement with the proposed analytical model regardless of the input inductance and the state of input ripple current. The analytical modeling is facilitated by using MAPLE®

Journal Article Type Article
Acceptance Date May 25, 2021
Online Publication Date May 30, 2021
Publication Date 2021
Deposit Date Dec 28, 2021
Publicly Available Date Jan 5, 2022
Journal Electronics
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 10
Issue 11
Article Number 1312
DOI https://doi.org/10.3390/electronics10111312
Keywords Class E; Class EF2; Class E/F3; ZVS; Soft Switching
Public URL http://researchrepository.napier.ac.uk/Output/2823536

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An Analysis and Modeling of the Class-E Inverter for ZVS/ZVDS at Any Duty Ratio with High Input Ripple Current (7.8 Mb)
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.




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