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KMID : 0896219980180010203
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Journal of Daegu Health College
1998 Volume.18 No. 1 p.203 ~ p.216
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The Study of Regeneration Energy for Lossless Snubber Capacitor Apply to Three-Phase High Power Factor Converter
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Chun Jung-Ham
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Abstract
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This paper proposed a partial resonant three-phase PWM AC-DC boost converter using a lossless snubber of high power factor. The proposed converter has a merit of simple controlled circuit because the input current control discontinuously. And it is improve to input power factor that the snubber capacitor’s energy regenerate to the AC source side. Specially using the discontinue current mode in the reactor. Furthermore it is sure that the soft-switching method using lossless snubber. This topology is reduced a current / voltage stresses of resonant devices in addition to a partial resonant strategy. The result of simulations of the proposed topology included in this paper.
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