T&L Publications

Thanks Dany, but.... How does a thyristor do any controlling of a DC motor? Are you saying that it chops the incoming AC to provide differing power to the DC motor? That would require a big-ass inductor to smoothen those power spikes. Guess I don't understand "a normal thyristor type DC motor ...

Hi - thought should start anew - am struggling to figure out how speed controller off a treadmill (using for other purpose) goes back together (was yr ago and am now lost) got 130 VDC motor (low rpms and torquey) - but can't see if motor works since no longer know how treadmill components were supp...