電気学会論文誌D(産業応用部門誌)
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
スイッチング素子1個の単相スイッチング電源入力電流波形改善
五十嵐 康雄高橋 勲
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1997 年 117 巻 8 号 p. 927-932

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The development of fast and low cost switching devices resulted in large use of high frequency power sources also in small equipments for home use. The capacitor input type rectifier is widely used in such equipments owning to simple configuration and high efficiency, but the effect of the harmonics present in its input current to the power system is becoming not negligible. Therefore, rectifiers with sinusoidal input current is strongly desired. The authors proposed a new rectifier topology named dither rectifier, which achieves over 99% power factor with few modifications to conventional circuits, in both power circuitry and controller. In this paper, the various configurations and control methods that can be used in the dither rectifier are presented. Three experimental circuits are also presented, using different configurations.

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