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This paper proposes the phase-controlled class-D inverter with resonant-capacitor voltage clamp. By adding the clamp circuits to resonant capacitances connected in parallel, it is possible to protect the inverter from the inrush and over currents automatically. By regenerating the clamp current to the input voltage source, high power-conversion efficiency can be achieved. Additionally, the design...
This paper presents a high-speed resonant driver for silicon carbide (SiC) MOSFET, which is based on the class-E inverter. Gate-to-source resistance and input capacitance of SiC MOSFET are included in the resonant circuit of the driver for avoiding the driving-signal strain. Additionally, clamp diodes are added to the output filter in the proposed driver, which makes a square-waveform-like driving...
In this paper, a voltage clamp circuit consists of diode and transformer, which reduces the transient peak switch voltage of the class E amplifier with single dc power supply, is proposed. This clamp circuit clamps the output voltage of the class E amplifier when the amplitude of output voltage goes over the maximum permissible value. Simulation results showed that the proposed diode clamp circuit...
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