Ferroresonant transformers and 3278

On 2015-12-31 7:17 AM, Mike Ross wrote: > > On Jan 1, 2016 12:05 AM, "jwsmobile" <jws at jwsss.com> wrote: >> >> >> >> On 12/30/2015 11:45 PM, Mike Ross wrote: >>> >>> Thanks for the thought... my main concern is the System/3s and Henk >>> Stegeman - who has forgotten more than most of us will ever know about >>> S/3! - says that 60Hz S/3 on 50Hz power is a no-go. Different voltage, >>> fine - transformer can be restrapped. Different frequency... trouble! >>> >>> And then there are rotary machines of course. I bet you half my disks >>> drives need the right frequency or a spindle pulley change.. and even >>> then *they* probably have ferroresonants in their power... >>> >>> Mike >> >> Order a boatload of 8kw honda generators? I think you could get 40 amps > > out of them. Any reason the power has to be in phase? >> >> I know for the mainframe power that might not be high enough, but on > > smaller machines it would take care of the problem. >> >> thanks >> JIm > > Jim most of my 'interesting' machines - both S/3s, S/38, 1800, big disk > drives - do need three phase 60Hz. The 2741s, 3741, 5496, S/32, S/34, & > S/36 are single phase but almost certainly need 60Hz for power supplies > and/or disk drives > > On the plus side all of the stuff I brought over from the UK will work

All of those IBM machines you listed will have resonant capacitors in the

Paul.