Please be aware that simply rectifying the AC line without using an isolation transformer is extremely dangerous. Simply stated, every part of the circuit constitutes a letha shock hazard, and there is no way to make it safe.
Do not risk your life or find you have been responsible for harm to otheres because you did not handle electricity safely.
I do not respond to email requests. All dialogs should take place in the forums.
Trying to place a common ground into a line-rectified circuit will result in fireworks. The AC you work with must be isolated by means of a transformer.