The RMS value is not really appropriate for this purpose Point taken. Whatever you do, be verrry careful about insulating things. Taking into account that both DC terminals fo these power supplies a
John et al - Consulted the reference you gave (page 14-4 in the 6th edition) and can see where the figure comes from. The value of 4.2% quoted is, as you said, the RMS value of the ripple / mean outp
Think I'm going to spend some time looking at rectified 3 phase waveforms - can't just accept a something until I know exactly why and can derive it from first principles. : The engineering mentality