A high-frequency inverter circuit is a combination of a low-frequency power inverter circuit and RF power amplifier circuit, so, drawing on various types of switching mode power amplifiers in RF circuits to be applied to the WPT system is a very sensible choice.
Finally, some conclusions are drawn in “ Conclusion ” section. In high-power DC–DC converters, a significant DC component in inductors makes the magnetic core prone to saturation. Therefore, introducing an air gap becomes necessary to address this issue.
With the development of high frequency inverters, the volume and weight of inductors can be reduced, but the core loss and heat generation increase with the frequency, which will lead to the deterioration of inverter working conditions and lower efficiency.
This paper reviews the high-frequency inverters for WPT systems, summarizes the derived topologies based on power amplifiers and H-bridge inverters, investigates the main factors restricting the development of high-frequency inverters, and analyzes the research directions for future development. 1. Introduction
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With the demand for the miniaturization and integration of wireless power transfer (WPT) systems, higher frequency is gradually becoming the trend; thus, the power electronic …
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This article presents a novel approach using a resonant inverter operating at 6.78 MHz for a robust capacitive power transfer (CPT) system with a small air gap.
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In high-power DC–DC converters, a significant DC component in inductors makes the magnetic core prone to saturation. Therefore, introducing an air gap becomes necessary …
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There are two center‐pole material cores, and air‐gap distribution arrangement in the magnetic components. The saturation current value, magnetic flux density, flux fringing, and power loss …
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Different types of transformers we produce High frequency transformer -Suitable for AC/DC inverter or DC/AC converter. Customized designs are welcome. PQ Series: PQ2020, PQ2016, …
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In coupled inductor designs, minimizing AC resistance and achieving an optimal coupling coefficient are crucial for the performance of high frequency, high power DC-DC …
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Abstract: This paper presents a modelling of a high-frequency full bridge inverter for wireless power transmission (WPT) in Electric Vehicle (EV) charging applications. The …
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Request PDF | High frequency resonant inverter for contactless energy transmission over large air gap | The paper investigates the influence of geometrical and …
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With the demand for the miniaturization and integration of wireless power transfer (WPT) systems, higher frequency is gradually becoming the trend; thus, the power electronic …
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For contactless energy transmission at high frequencies, the special inverter in Fig.6 was developed. The phase- shilled controlled IGBT bridge at the primary side converts the …
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For this purpose, in this study, the effects of the air gap on the performance of the inductor and fringing flux according to various core materials used in the design of air–gap …
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