Advanced Energy Efficiency, Lecture 2: Industry - Rocky Mountain ...
Advanced Energy Efficiency, Lecture 2: Industry - Rocky Mountain ...
Advanced Energy Efficiency, Lecture 2: Industry - Rocky Mountain ...
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Intel’s nominal data-center<br />
power flows (these figures vary greatly<br />
between installations!)<br />
Total<br />
input<br />
275<br />
W<br />
Power consumption: 2.75 × 100 W IT Load<br />
IT<br />
eqt.<br />
load<br />
100W<br />
UPS<br />
+<br />
Room cooling PDU<br />
system 70 WW 20 W<br />
Server<br />
fans<br />
15 W<br />
PSU<br />
50 W<br />
Drawing adapted from LBNL; data from Intel Corporation<br />
VR<br />
20 W<br />
The “overhead” for power and cooling systems is sometimes this big,<br />
but LBNL usually measures more like 80–90% overhead, not 175%.<br />
But these support systems incur ~75–80% of the facility’s capital cost.<br />
Time to start at the root of the problem, tracing heat back to its source
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