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用低压型PFC较传统DC-DC转换器的好处
消耗积分:5 |
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2009-06-01
赵辉
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We are going to evaluate two solutions, 12V and
24V for a total output power of 120W . The benefits
we are going to point out when using a low
voltage PFC, are listed below:
– reduction of mains harmonic content
– reduction of peak current at mains frequency
– reduction of the electrolytic bulk capacitor used
at PFC stage output
– reducedVolt/Amp requested to the mains
– reducedmains transformer size and weight
– improvement of the output regulation of the
downstream dc-dc converter (increase of the
available output power for the audio amplifier
example)
24V for a total output power of 120W . The benefits
we are going to point out when using a low
voltage PFC, are listed below:
– reduction of mains harmonic content
– reduction of peak current at mains frequency
– reduction of the electrolytic bulk capacitor used
at PFC stage output
– reducedVolt/Amp requested to the mains
– reducedmains transformer size and weight
– improvement of the output regulation of the
downstream dc-dc converter (increase of the
available output power for the audio amplifier
example)
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