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How to make a transformer to regulated power supply ?

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Good day,

I have 2 unit of transformer rated:

1) Input 230VAC 50Hz and output 60V 40Amp (60V 0V 60V)
2) Input 230VAC 50Hz and output 12V 45Amp (12V 12V)

I want to make both of them into a regulated power supply:

The first is to power a few servo drive and servo motor, the drive is rated 75V max and the servo motor is rated 60V max at 4A max. There are total of 7 drive and servo motor for my CNC project.

The second is for supplying power to battery charger.
The charger input rating is 11V to 27V, I'm charging to 8.4Vmax @ 6A, I'll use it to power up to 6 charger.

Please let me know the value of rectifier, capacitor, bleed resistor, and regulator to use for above transformer.

Where can I find formula for it and wiring diagram to connect it up? Thanks

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