Improvement of Electric Power Conversion Efficiency of Magnetic Oscillation-Type DC–AC Converter

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 2009Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Magnetics, volume 45, pages 4,808-4,811 (issn: 0018-9464,

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Authors: S. Okanuma; Y. Ogata;

doi: 10.1109/tmag.2009.2024121

Improvement of Electric Power Conversion Efficiency of Magnetic Oscillation-Type DC–AC Converter

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Abstract

This paper describes fundamental characteristics of a direct current/alternating current (dc-ac) converter utilizing magnetic oscillation. An ac-voltage source such as the line electric power source is connected to an excitation winding of the magnetic oscillation circuit in series. The dc-ac converter can supply electric power to the ac-voltage source, and can control electric power with small signal current, which flows through a control winding. The electric power conversion efficiency of the dc-ac converter is improved by adding a small switching circuit into the converter. Output current waveform of the converter is almost sinusoidal.

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