変形ハーフブリッジ形インバータにおける自励発振回路の解析

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  • ヘンケイ ハーフブリッジケイ インバータ ニ オケル ジレイハッシン カイロ ノ カイセキ
  • Analysis of a self-oscillator in the modified half-bridge type inverter

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Abstract

In order to decrease input harmonic currents of switching converters, a combined circuit configuration that the switching converter circuit itself has the function of the input current active filter and output voltage regulator has been investigated. In this paper, a self-excited oscillator as a controller applied to this combined circuit for the electronic ballast of the fluorescent lamp with high frequency is analyzed. As a result, the relationship between the peak current and the conduction time interval of the switch device is clarified. This relationship is useful to reduce the input harmonic current effectively.

長崎大学工学部研究報告 Vol.31(56) p.63-70, 2001

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