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High Power, High Frequency, Switch Mode Rectifier

J. Tanaka, Itsuo Yuzurihara

Open publisher page 2 citations

Abstract

There are many types of inverter circuits for switching power supply. A full bridge inverter consisting of four transistors is suitable for high power, but magnetic asymmetrical phenomena of transformer easily occurs, especially at high frequency. Storage time is also a problem in bipolar transistors. The authors analyzed the asymmetrical phenomena of transformer in a bridge inverter, and found a method which can be used to decide: which circuit elements are appropriate, how to control the driving signals, and how to drive the transistor. We made a small size, high power, high frequency, switch mode rectifier using a high power bipolar transistor at 20 kHz conversion frequency.

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What this paper is about

There are many types of inverter circuits for switching power supply. A full bridge inverter consisting of four transistors is suitable for high power, but magnetic asymmetrical phenomena of transformer easily occurs, especially at high frequency. Storage time is also a problem in bipolar transistors. The authors analyzed the asymmetrical phenomena of transformer in a bridge inverter, and found a method which can be used to decide: which circuit elements are appropriate, how to control the driving signals, and how to drive the transistor. We made a small size, high power, high frequency, switch mode rectifier using a high power bipolar transistor at 20 kHz conversion frequency.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

There are many types of inverter circuits for switching power supply. A full bridge inverter consisting of four transistors is suitable for high power, but magnetic asymmetrical phenomena of transformer easily occurs, especially at high frequency. Storage time is also a problem in bipolar transistors. The authors analyzed the asymmetrical phenomena of transformer in a bridge inverter, and found a method which can be used to decide: which circuit elements are appropriate, how to control the driving signals, and how to drive the transistor. We made a small size, high power, high frequency, switch mode rectifier using a high power bipolar transistor at 20 kHz conversion frequency.

Key concepts: Electrical engineering, Inverter, Transistor, Transformer, Power semiconductor device, Rectifier (neural networks), Switched-mode power supply, Bipolar junction transistor

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