On Sun, May 22, 2016 at 11:15 PM, Jim Palfreyman <jim77...@gmail.com> wrote:
As far as a remedy goes we are going to try a solid state relay that only > switches on at 0V in the AC waveform. This should slow the inrush current, > and hopefully the magnetic impulse. > If the load being switched on is inductive, it would be better to switch the AC waveform at the voltage peaks, not at 0V. This might seem counter-intuitive, but it's real. Switching on at the 0V crossing may maximize the current pulse through the magnetics. OTOH, if the origin of the impulse is mechanical in nature, neither remedy may help. Regards, Andy _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
