磁気発振DC-AC電力変換器の出力電力制御特性改善

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This paper describes the fundamental characteristics of a new magnetic oscillation direct current/alternating current (dc-ac) power converter that had fast recovery diodes added to it. The converter is constructed with a non-linear magnetic core and power MOSFETs. An ac-voltage source such as that for line electric power is connected in series to an excitation winding of the magnetic circuit. The converter can supply electric power to the ac-voltage source, and its output electric power can be controlled with a small signal current that flows through the control winding. The waveform for the output current of the converter is almost sinusoidal. The output electric power of the converter was increased by adding the fast recovery diodes outside the MOSFETs to cancel and replace the body-diodes of the MOSFETs.