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What are the basic differences of Single stage PFC and Interleaved PFC

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Bjtpower

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Hello Friends

Can anyone let me know the basic difference of Single stage PFC and Interleaved PFC for 1.5kW

By study Materials, i understand that only inductor size gets reduced but how..??

And inductor ripple get reduced.. or any advantages are there like cost and space

Your answers matters

Regards
Marx
 

Hello Here is interleaved PFC in Boundary conduction mode. Each of the PFC's only carries half the current, so your individual inductors are themselves smaller than a single stage's inductor
All the files have to be in the same folder for it to run in ltspice.

The actual simulation is this file "PFC _with interleaved BCM stages"

....change the .txt on just this file to .asc and run it. (with the other text files in the same folder)
 

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  • PFC _with interleaved BCM stages.txt
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  • PFC 180.txt
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  • PFC.txt
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