Current control.

Doctore · May 6, 2014

What schematics of serwer PSU's with power over 800W are available?

Doctore · May 31, 2014

I was thinking about building DIY PSU, I find something easy:
http://danyk.cz/reg60v_en.html
And I want to use parts(eg. transformer) from PSU, If I want to get this 3-50V, I need to use transformer from 50V PSU?

ramuna · May 31, 2014

Doctore wrote:
I was thinking about building DIY PSU, I find something easy:
http://danyk.cz/reg60v_en.html

I cannot understand the operation of the secondary rectifier comprising D5, D5', D6, D6' in the above schematic.

4pyros · May 31, 2014

Doctore said:
I was thinking about building DIY PSU, I find something easy:
http://danyk.cz/reg60v_en.html
And I want to use parts(eg. transformer) from PSU, If I want to get this 3-50V, I need to use transformer from 50V PSU?

What transformer or you talking about?
There is no input transformer in that design.
It runs off mains voltage directly

4pyros · May 31, 2014

ramuna said:
Doctore wrote:
I was thinking about building DIY PSU, I find something easy:
http://danyk.cz/reg60v_en.html

I cannot understand the operation of the secondary rectifier comprising D5, D5', D6, D6' in the above schematic.

To rectify the AC

Doctore · Jun 1, 2014

I'm talking about "power transformer"/"DC transformer" that eat 350VDC switched/controlled by SMPS fet.

Doctore · Jun 3, 2014

Where are replies?
I'm talking about part that is signed on this diy supply as a "Tr1"
And If I want to build my 3-50VDC DIY SMPS, I should use transformer wired to work in 50VDC?

moffy · Jun 5, 2014

ramuna said:
Doctore wrote:
I was thinking about building DIY PSU, I find something easy:
http://danyk.cz/reg60v_en.html

I cannot understand the operation of the secondary rectifier comprising D5, D5', D6, D6' in the above schematic.

I was like you until I realised the bottom pair are for maintaining the current flow through L1.

Doctore · Jun 6, 2014

D5, D5', D6, D6' are used to keep right polarisation and to rectify output voltage >DC< not AC.

Current control.

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