11 Mar
2023
11 Mar
'23
3:36 a.m.
On 3/10/23 17:42, Paul Koning via cctalk wrote:
CDC 6000 series is the one I know of. But they'd
also use either 1 or 3 phase regular 50/60 Hz power. For example, the console display
uses 3 phase 400 Hz for its power supplies (nice for low ripple) and 60 Hz 110 V for fans.
The CPU cabinet takes 400 Hz power to run its power supplies but 60 Hz power for the
compressors that cool the Freon that cools the logic.
"Power for the basic computer consists of one 250 kva, 400 Hz
motor-generator set. The motor-generator set has the capability of
providing power to the CPU, MCS, I/O and the MCU. The optional memory
requires the use of an additional 80 kva motor-generator set."
Cooling?
"Cooling for the basic computer consist of two 30-ton water-cooled
condensing units. These units cool only the CPU, MCS and I/O sections.
The MCU is air-cooled. With the optional memory, the basic computer
requires an additional 10-ton condensing unit."
--Chuck