14 Jul
2021
14 Jul
'21
4:43 a.m.
?
Interesting. Were the power supplies 3 phase input?
Like you I have
noticed that most pdp and vax gear just pull 120 volt legs off the 3
phase to balance power loads. So you can run them on a couple of 120
circuits. Outside of say the RP07 (which is a real 3 phase motor)
The 6000 is not like that. After the inlet box the three phases go to the power
conditioner which has a 3-phase thyristor controlled rectifier. From there its 300v up to
the regulators. I remember my 11/780 was like you described.