Polyphase Boost Converter with Digital Control
作者： R. Mirzaei , V. Ramanarayanan
DOI: 10.1080/09398368.2006.11463628
关键词: Ćuk converter 、 Electronic engineering 、 Capacitor 、 Synchronization (alternating current) 、 Converters 、 Engineering 、 Ripple 、 Boost converter 、 Digital control 、 Inductor
摘要: Boost d.c.-d.c. converters have very good source interface properties. The input inductor makes the current smooth and hence these provide EMI performance. On account of this property, boost converter is also preferred for off-line UPF rectifiers. One issues concern in large size storage capacitor on dc link. suffers from disadvantage discontinuous injected to load. large. Further, ripple as much load current; ESR specification tank demanding. This paper presents polyphase converter, which overcomes problem high capacitor, has not been discussed earlier. Comparison between specifications single stage multistage thoroughly examined. Digital control more convenient such a topology requirement synchronization, phase shifted operation balancing. method simpler faster than its original form [10]. It does depend previous duty ratio it tested four parallel. Each 35W unit switched at 200 kHz. Experimental results digital control, synchronization sharing are presented. implemented using TI’s general purpose Signal Processor eZdspF2812. scheme applicable PFC rectifiers well.
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