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Author Topic: 415 3phase AC to DC  (Read 687 times)

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Offline JoeyGTopic starter

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415 3phase AC to DC
« on: May 30, 2023, 03:22:51 am »
Using a 3phase full wave diode array to convert 415VAC 3phase to a single DC output.   What is the maths to convert to the max peak voltage?

Is it  415 *  SQRT(2) = 415* 1.414?
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Offline trobbins

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Re: 415 3phase AC to DC
« Reply #1 on: May 30, 2023, 06:55:51 am »
Perhaps best to link to an actual circuit you want to apply this to, as there are a few ways to refer to 3-ph full wave rectification.  Eg. 3-phase (no neutral) with diode bridge is perhaps most common.  Suggest you go through a decent reference like "Rectifier Applications Handbook" by On-Semi.
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Offline WattsThat

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Re: 415 3phase AC to DC
« Reply #2 on: May 30, 2023, 11:15:13 am »
Yes, peak will be rms * sqrt 2 for the usual 6 diode arrangement.


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