edison was right! guy allee - sustech 2014
TRANSCRIPT
Guy AlLee Research Scientist & Technology Strategist, Intel Direct-Current Evangelist & Chair EMerge Alliance Campus/Building DC
Microgrid Technical Spec Committee because DC is WHEN, not IF
EDISON WAS RIGHT!
BY THE NUMBERS, DC MICROGRIDS FOR SUSTAINABLE BUILDINGS SOONER
July 24, 2014
3 Inventions
Wasteful Conversions
Pole Transformer CCA-SA 3.0 Wikipedia User: Glogger
678V
678V
12V
540V
294V
380V
- 294V 190V
190V
480 3Φ UPS PDU PFC Load
380V
July 24, 2014 G. AlLee 5
125 Years of Tradition Unchanged by Progress
Gadzooks!
Eh … So? …
Electric Transmission CCA-SA 3.0 Patryk Korzeniecki
July 24, 2014 G. AlLee 6
3300 1200 Insulated Gate Bipolar Transistor (IGBT)
MVdc Distribution IGBT CCA-SA 3.0 http://commons.wikimedia.org/wiki/User:ArséniureDeGallium
3300 V 1200 A
July 24, 2014 G. AlLee 9
0.33% R&D – Electric Utilities
It looks like you are trying to pay for a Smart-Grid.
Would you like help?
• Moving the Grid to Direct-Current
• Just let me do another rate hike as usual without help
• Don’t show me this tip again
July 24, 2014 G. AlLee 11
5% R&D – Cutthroat, Commodity Manufacturers
e.g., Paper Clips
It looks like you are trying to pay for a Smart-Grid.
Would you like help?
• Moving the Grid to Direct-Current
• Just let me do another rate hike as usual without help
• Don’t show me this tip again
July 24, 2014 G. AlLee 12
10kW Conductor Area
48Vdc @ 208A – 2x4/0
208Vac @ 31A – 3x8
415Vac @ 12A – 4x12
380Vdc @ 26A – 2x10
July 24, 2014 G. AlLee 13
24 Startle Hazard voltage
EMerge standard voltage
Ceiling rails and furniture
Touch-safe, Startle-tolerant
July 24, 2014 G. AlLee 15
5-30 The standard DC voltage available from USB 3.0.
The defacto DC outlet.
July 24, 2014 G. AlLee 16
13 Watts saved at a DC workstation
100 fewer VA
400 MWh per year at an Intel
July 24, 2014 G. AlLee 17
380 ETSI Standard Voltage for DC Data Centers
EMerge target voltage for commercial building distribution backbone
July 24, 2014 G. AlLee 18
8% Energy Savings in DC Data Centers
1000% More Reliability
39% Less Lifetime Cost
July 24, 2014 G. AlLee 19
12% Zero Net Energy Building
DC efficiency gain
Capital cost savings
11.7 kW
11.1 kW
10 kW
10.5 kW
10 kW 10.3 kW
AC
DC July 24, 2014 G. AlLee 21
19-40% Double Whammy that accelerates Zero Net Energy Building crossover 10-30% dc load reduction 10-15% dc loss reduction PNC branch 50% less
energy & LEED Platinum
July 24, 2014 G. AlLee 22
Net Zero
Energy
On-site Electricity Demand
Distributed Renewable Energy
DC AC