I have a Samlex PSA 305 that friend gave me looks like a nice supply I am doing some mods to it.
Overcurrent Sense Circuit Modification and Modification to Eliminate Power-Off Voltage Overshoot.

Those I have worked out from here https://w1hue.org/Articles/samlex_mods.html
Next thing I want add is current control.

Here the circuit looking for good ideal to add current control.

 

I guess no one wants to post any of there ideas to figure best way to add current control limiting to this.

 

current control

 

Here something I found But testing it doesn't seem to control any current.

 

Very funny not anyone has posted any help guess you think i don't need any Cool deal.