trešd., 2024. g. 7. aug., plkst. 20:16 — lietotājs Chris Albertson (<albertson.ch...@gmail.com>) rakstīja: > > I finally read through all of this. It seems you are trying to build a DC > power supply without a transformer by simply rectifying the AC mains. > Technically that can work but these have been outlawed by regulatory agencies > for half a century >
There is step-down transformer in the cabinet. Actual mains input is 380 VAC 3-phase and for servo motor power it is reduced to 230 VAC 3-phase. As I mentioned, that is Biesse machine, manufactured in Italy, it is designed according to all safety requirements. > > As for calculating the size of an inductor and the gauge of wire required, > You are looking at a very large iron core and maybe $1,000 worth of wire. for > a time constant in the range of a few seconds. This is why people usually > use resistors (or actually “thermistors".) > Ok, thank you, got it, then I definitely will stick with mainstream opinion and resistors. Viesturs _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
