In this work, I present a new-designed dual-switch boost converter — switched inductor / capacitor dual-switch boost converter.
Outline
As clean and renewable new energy sources are gradually becoming the main energy source driving the world, the research and utilization of wind energy and solar cell technology are developing rapidly. More and more discrete wind power generation devices and solar cell modules have been integrated into the power grid. Due to the low output voltage of a single photovoltaic cell and a wind power generation module, in order to integrate these power sources into the grid or use them as a sustainable constant power source, the DC voltage level needs to be significantly increased to meet the needs of subsequent batteries, or grid connection. Therefore, DC/DC power conversion technology with high gain and high efficiency has become one of the key technologies in these applications.
This work presents a new-designed dual-switch boost converter--switched inductor/capacitor dual-switch boost converter. According to the inductor voltage-second balance law and capacitor charge balance law, I obtain the steady-state characteristics of the new-designed converter and derived a series of mathematical formulas for the converter's current and voltage. By applying equivalent circuit modelling methods, I discuss the loss coefficient and voltage gain limitation and conclude that the new-designed converter is able to generate high voltage gain while maintaining high efficiency.
Research Method
- Inductor voltage-second balance law
- Capacitor charge balance law
- Equivalent circuit model
Conclusion
The new-designed converter is able to generate high voltage gain while maintaining high efficiency.
Presentations
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Reference
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