Edison Was Right! Guy AlLee - SusTech 2014

Dec 16, 20161 like81 views

1) The document discusses the benefits of direct current (DC) microgrids for powering sustainable buildings, arguing that DC distribution is more efficient than alternating current (AC) and will become more widely adopted. 2) It provides data showing the energy savings potential of DC microgrids, such as up to 30% reduction in building energy loads and up to 15% reduction in distribution losses. 3) Standards organizations are working to establish voltage standards for DC distribution that will make DC microgrids safer and more interoperable between buildings.

Guy AlLee
Research Scientist &Technology Strategist, Intel
Direct-Current Evangelist &
Chair EMergeAlliance Campus/Building DC
MicrogridTechnical SpecCommittee
because DC isWHEN, not IF
EDISON WAS RIGHT!
BY THE NUMBERS, DC MICROGRIDS
FOR SUSTAINABLE BUILDINGS SOONER
July 24, 2014

1
Reason
20th Century
Engr. Achievement
Elephants
Harmed
Chairs
Invented
July 24, 2014G. AlLee 2

2
The Power on the
HVDC Path 69
fromThe Dalles to
Los Angeles
2GW
July 24, 2014G. AlLee 3

1888
War of
Currents
Courtesy of Nextek Power Systems
July 24, 2014G. AlLee 4

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, 2014G. AlLee 5

125
Years ofTradition
Unchanged by
Progress
Gadzooks!
Eh… So? …
Electric Transmission CCA-SA 3.0 Patryk Korzeniecki
July 24, 2014G. AlLee 6

1948
Semiconductors appear
July 24, 2014G. AlLee 7

80%
New things with
power
semiconductors
New things that
are natively DC
July 24, 2014G. AlLee 8

3300
1200
Insulated Gate
BipolarTransistor
(IGBT)
MVdc Distribution IGBT CCA-SA 3.0 http://commons.wikimedia.org/wiki/User:ArséniureDeGallium
3300 V
1200 A
July 24, 2014G. AlLee 9

$39
Reddy Killowatt’s
NetWorth
$39T
July 24, 2014G. AlLee 10

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, 2014G. 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, 2014G. AlLee 12

10kW
Conductor Area
 48Vdc @ 208A – 2x4/0
 208Vac @ 31A – 3x8
 415Vac @ 12A – 4x12
 380Vdc @ 26A – 2x10
July 24, 2014G. AlLee 13

100+
EMergeAlliance Members
Standardizing
DC microgrids
July 24, 2014G. AlLee 14

24
Startle Hazard voltage
EMerge standard voltage
Ceiling rails and furniture
Touch-safe, Startle-tolerant
July 24, 2014G. AlLee 15

5-30
The standard DC voltage
available from USB 3.0.
The defacto DC outlet.
July 24, 2014G. AlLee 16

13
Watts saved at a
DC workstation
100 fewerVA
400 MWh per
year at an Intel
July 24, 2014G. AlLee 17

380
ETSI StandardVoltage
for DC Data Centers
EMerge target voltage
for commercial building
distribution backbone
July 24, 2014G. AlLee 18

8%
Energy Savings in DC
Data Centers
1000% More Reliability
39% Less Lifetime Cost
July 24, 2014G. AlLee 19

7
Parts not needed
July 24, 2014G. AlLee 20

12%
Zero Net Energy Building
 DC efficiency gain
 Capital cost savings
11.7
kW
11.1
kW
10
kW
10.5
kW
10 kW10.3
kW
AC
DC July 24, 2014G. AlLee 21

19-40%
DoubleWhammy 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, 2014G. AlLee 22
Net Zero
Energy
On-site Electricity
Demand
Distributed Renewable
Energy
DC AC

2114
100 years from now, we’ll
look back and chuckle
that we ever used AC.
EdisonWas Right!
July 24, 2014G. AlLee 23

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Edison Was Right! Guy AlLee - SusTech 2014

1. Guy AlLee Research Scientist &Technology Strategist, Intel Direct-Current Evangelist & Chair EMergeAlliance Campus/Building DC MicrogridTechnical SpecCommittee because DC isWHEN, not IF EDISON WAS RIGHT! BY THE NUMBERS, DC MICROGRIDS FOR SUSTAINABLE BUILDINGS SOONER July 24, 2014

2. 1 Reason 20th Century Engr. Achievement Elephants Harmed Chairs Invented July 24, 2014G. AlLee 2

3. 2 The Power on the HVDC Path 69 fromThe Dalles to Los Angeles 2GW July 24, 2014G. AlLee 3

4. 1888 War of Currents Courtesy of Nextek Power Systems July 24, 2014G. AlLee 4

5. 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, 2014G. AlLee 5

6. 125 Years ofTradition Unchanged by Progress Gadzooks! Eh… So? … Electric Transmission CCA-SA 3.0 Patryk Korzeniecki July 24, 2014G. AlLee 6

7. 1948 Semiconductors appear July 24, 2014G. AlLee 7

8. 80% New things with power semiconductors New things that are natively DC July 24, 2014G. AlLee 8

9. 3300 1200 Insulated Gate BipolarTransistor (IGBT) MVdc Distribution IGBT CCA-SA 3.0 http://commons.wikimedia.org/wiki/User:ArséniureDeGallium 3300 V 1200 A July 24, 2014G. AlLee 9

10. $39 Reddy Killowatt’s NetWorth $39T July 24, 2014G. AlLee 10

11. 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, 2014G. AlLee 11

12. 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, 2014G. AlLee 12

13. 10kW Conductor Area  48Vdc @ 208A – 2x4/0  208Vac @ 31A – 3x8  415Vac @ 12A – 4x12  380Vdc @ 26A – 2x10 July 24, 2014G. AlLee 13

14. 100+ EMergeAlliance Members Standardizing DC microgrids July 24, 2014G. AlLee 14

15. 24 Startle Hazard voltage EMerge standard voltage Ceiling rails and furniture Touch-safe, Startle-tolerant July 24, 2014G. AlLee 15

16. 5-30 The standard DC voltage available from USB 3.0. The defacto DC outlet. July 24, 2014G. AlLee 16

17. 13 Watts saved at a DC workstation 100 fewerVA 400 MWh per year at an Intel July 24, 2014G. AlLee 17

18. 380 ETSI StandardVoltage for DC Data Centers EMerge target voltage for commercial building distribution backbone July 24, 2014G. AlLee 18

19. 8% Energy Savings in DC Data Centers 1000% More Reliability 39% Less Lifetime Cost July 24, 2014G. AlLee 19

20. 7 Parts not needed July 24, 2014G. AlLee 20

21. 12% Zero Net Energy Building  DC efficiency gain  Capital cost savings 11.7 kW 11.1 kW 10 kW 10.5 kW 10 kW10.3 kW AC DC July 24, 2014G. AlLee 21

22. 19-40% DoubleWhammy 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, 2014G. AlLee 22 Net Zero Energy On-site Electricity Demand Distributed Renewable Energy DC AC

23. 2114 100 years from now, we’ll look back and chuckle that we ever used AC. EdisonWas Right! July 24, 2014G. AlLee 23

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Edison Was Right! Guy AlLee - SusTech 2014

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