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Experimental Study of a quadratic boost: The Cascaded Connected Single Switch

Smart Grid and Renewable Energy 2024年第6期15卷 139-148页

作者： Prince Abdoul Aziz Honadia Bernard Zouma Adama Ouédraogo Fabé Idrissa Barro Department of Physics and Chemistry Centre Universitaire de Kaya (CU-K) Kaya Burkina Faso Thermal Renewable Energies Laboratory Department of Physics Joseph Ki-Zerbo University Ouagadougou Burkina Faso Semiconductors and Solar Energy Laboratory Department of Physics Faculty of Science and Technique Cheikh Anta Diop University Dakar Senegal

The quadratic boost is studied under its real model. The equations, of the continuous conduction mode, descriptive of this model are established. From these equations, the expressions of the voltage gain and the efficiency are extracted. These two quantities are plotted as a function of the duty cycle in order to appreciate them in different operating points of the transistor. The values of the different components have also been extracted for the fabrication of a prototype of the converter. Thanks to a set of experimental measurements at the input as well as at the output of the prototype converter, the voltage gain and the efficiency could also be observed. These were also plotted for different loads to observe converter behavior. The theoretical curves were compared with the experimental curves which allowed to validate the proposed mathematical models on a large range of duty cycles.

关键词： Voltage Gain Factor Conversion Efficiency Duty Cycle quadratic boost

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quadratic boost Converter: An Analysis with Passive Components Losses

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Open Journal of Applied Sciences 2021年第2期11卷 202-215页

作者： Modou Badiane Prince Abdoul Aziz Honadia Bernard Zouma Fabé Idrissa Barro Department of Physics Semiconductors and Solar Energy Laboratory Faculty of Science and Technique Cheikh Anta Diop University Dakar Senegal Department of Physics Thermal Renewable Energies Laboratory Training and Research Unit in Exact and Applied Sciences Joseph Ki-Zerbo University Ouagadougou Burkina Faso

The Cascaded Connected Single Switch quadratic boost (C2S2-QB) is studied first from its ideal model, then with semi-real model taking into account resistive losses through the inductors and the capacitor. The continuous conduction mode equations, describing these different models are established, taking into account losses through passive components. From these equations, the voltage gain and the efficiency are determined for the semi-real model. The voltage gain and the efficiency are then analyzed versus duty cycle and the influence of passive component losses on the performance of the quadratic boost converter is carried out for the semi-real model. It has been showed that the quality of the passive components of a converter plays an important role in the quality of the conversion. However, not all passives components affect the converter in the same way.

关键词： quadratic boost Losses Gain Factor Efficiency

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