On 10/12/24 08:23, Jon Elson via cctalk wrote: > On 10/12/24 09:47, Chuck Guzis via cctalk wrote: >> On 10/12/24 04:51, hupfadekroua via cctalk wrote: >>> Hi all, >>> >>> after approx 30 years of waiting our time has come to get hands on a >>> Cyber 180/860a. >>> >>> These systems as other systems before are using 400Hz psus. >> ISTR that 400Hz 3-phase is required. >> > The IBM 370/145 had a motor/generator set with a 20 Hp 60Hz motor and a > 17 KVA 400 Hz 120/208 3-phase alternator. This was massive overkill for > the 2.5 KW model 145, so I assume they used the same MG unit for the > 370/158 model. > > Good luck finding one of those now!
Still to be found in the aviation business as ground units. E.g. https://acim.nidec.com/en-us/generators/leroy-somer/products/industrial/400hz
