Three phase power supply regulator

I need the circuit diagram of a semi-controlled three phase rectifier, I mean the control of the thyristors. I need to obtain fully adjustable voltage 0-100%

 

You mean something like this:

http://powerdesigners.com/InfoWeb/resources/pe_html/ch06s2/intro.html

Google is your friend.

 

This is the theory. I'm looking for the circuit diagram of the control.

I found something that could be used but it would be better if there were more choices.