The Garwin-Matisoo Vision After 45 Years Electric Power Via Superconducting Cables: Economic and...
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![Page 1: The Garwin-Matisoo Vision After 45 Years Electric Power Via Superconducting Cables: Economic and Environment Issues Paul Michael Grant Principal, W2AGZ.](https://reader031.fdocuments.net/reader031/viewer/2022013004/56649e255503460f94b1501a/html5/thumbnails/1.jpg)
The Garwin-Matisoo Vision After 45 YearsElectric Power Via Superconducting Cables: Economic and Environment Issues
Paul Michael Grant
Principal, W2AGZ Technologies
Visiting Scholar, Stanford (2005-2008)EPRI Science Fellow (retired)
IBM Research Staff Member [email protected]
www.w2agz.com-----------------------------------------------------------------------------------------
Brainstorming WorkshopTransporting Tens of Gigawatts of Green Power to the Market
12-13 May 2011IASS, Potsdam, Germany
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Friedrich Wilhelm von Steuben
The Germans in America
Frederick Muhlenberg
Taught the Rebels how to fight!
First US Speaker of the House…aka in Europe as “Prime
Minister”
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Discovery Anniversaries100 25
1911 (4.2 K)
Gilles Holst Georg Bednorz
H. Kammerlingh-Onnes Alex Mueller
1986 (20-40 K)
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1. Wires & Films 2. Medical Imaging 3. High Energy Physics
4. Rotating Machinery 5. Dark Matter
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Some Axioms of History• There is nothing new under the sun
Ecclesiastes 1:9-14 • What’s past is prologue
The Tempest, by Bill S.
• Those who cannot remember the past are bound to repeat it George Santayana
• When I was a boy of 14, my father was so ignorant I could hardly stand to have the old man around. But when I got to be 21, I was astonished at how much the old man had learned in seven years Mark Twain
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PrologueEngland, 1966
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Submitted 28 February 1966
• ac Cables: 760 MVA (3), 275 kV, 1600 A– Be 77 K– Al 20 K– Nb 4 K (a “soft” superconductor!)
• Objective: Efficiency, not increased capacity!
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Wheeling Watts into Central London More Efficiently
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Cable Properties
Metal T (K) (×cm)
Outer Diameter
(cm)
Loss (W/km)
Cu 340 210-6 6.0 46,500
Be 77 210-8 6.0 460
Al 20 310-9 6.0 470
Nb 4 0 10.4 0
HC1 = 0.16 TFault I = 40 kA
Operating I = 1.6 kASurface H = 7 mT
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Cost of “Extra” Generation to Offset I2R Losses (CEGB, 1965): 220 £/kw
Note: A Perfect Conductor is not Absolutely Required!
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Wilkinson’s Conclusion (1966)• “...only niobium has any hope of defraying its
refrigeration costs by savings in conductor material” (True, but not by much…)
• “But its impracticably large core diameter” (10.4 cm rules out Type I superconductors) (True, even today…)
• A Type II superconductor with JC = 106 A/cm2 at a diameter of 6 cm would quench under a fault current of 40 kA (Hoy, no hay problema con HTSC)
• “Such a hazard is clearly unacceptable.” (Entonces solamente ayer avec LTSC!)
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Garwin-MatisooUSA, 1967
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Submitted 24 June 1966
Rationale: Huge growth in generation and consumption in the 1950s; cost of transportation of coal; necessity to locate coal and nuke plants far from load centers.
Furthermore, the utilities have recently become aware of the advantages of power pooling. By tying together formerly independent power systems they can save in reserve capacity (particularly if the systems are in different regions of the country), because peak loads, for example, occur at different times of day, or in different seasons. To take advantage of these possible economies, facilities must exist for the transmission of very large blocks of electrical energy over long distances at reasonable cost.
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Specs
• LHe cooled
• Nb3Sn (TC = 18 K)
– JC = 200 kA/cm2
– H* = 10 T
• Capacity = 100 GW– +/- 100 kV dc– 500 kA
• Length = 1000 km
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• Refrigeration Spacing 20 km
• G-L Separator Distance 50 m
• Booster Pump Intervals 500 m
• Vacuum Pump Spacing 500 m
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*2006 costs relative to 1966 are estimated from the Bureau of Labor Statistics table of annual Consumer Price Indices that can be found at ftp://ftp.bls.gov/pub/special.requests/cpi/cpiai.txt. The 2006/1966 ratio used above is 6.19. The YE2010 costs would be about 8% higher that YE2006.
5390
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Additional LTSC Cables(1975-1985)
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Graz, Austria – Late 70s
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Brookhaven – Late 70s, Early 80s
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LANL dc Cable
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The HTSC EraWires & Cables
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First HTSC “Wire”
Oxide Powder1. Powder
Preparation
A. ExtrusionB. Wire Draw
C. RollingDeformation& Processing
3.
Oxidation -Heat Treat
4.
Billet Packing& Sealing
2.
Oxide Powder1. Powder
Preparation
A. ExtrusionB. Wire Draw
C. RollingDeformation& Processing
3.
Oxidation -Heat Treat
4.
Billet Packing& Sealing
2.
Oxide Powder1. Powder
Preparation
A. ExtrusionB. Wire Draw
C. RollingDeformation& Processing
3.
Oxidation -Heat TreatOxidation -Heat Treat
4.
Billet Packing& Sealing
2.
Gen 1
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Gen II Coated Conductor
American Superconductor SuperPower
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Various ac HTSC Cable Designs
Sumitomo
Ultera-ORNL
Nexans-AMSC
Pirelli
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Various dc HTSC Cable Designs
EPRI: Schoenung, Hassenzahl, Grant (1997) +/- 50 kV, 50 kA, 5 GWBICC: Beales, et. al, (1995)
40 K, +/- 20 kV, 10 kA, 400 MW
EPRI: Hassenzahl, Gregory, Eckroad, Nilsson, Daneshpooy, Grant (2009) +/- 50 kV, 100 kA, 10 GW
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A Superconducting dc CableEPRI Report 1020458 (2009)
Hassenzahl, Gregory, Eckroad, Nilsson, Daneshpooy, Grant
Monopole Specs
100-kV, 100-kA, 10-GW66 K < T< 69 K
See Also: Hassenzahl, Eckroad, Grant, Gregory, Nilsson, IEEE Trans. Appl. Supercon. 19, 1756 (2009)
Stay tuned for Steve’s upcoming talk…then go build it!
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US HTSC Cable Demonstrations
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HTSC Cable Demonstration Projects WorldwidePast, Present…Future?
?
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US Department of EnergyBudget of the Office of Electricity Delivery
and Energy Reliability: FY 2010-11 (103 USD)
? ?
WOW ! “Obama Cash”
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HTSC Cables- Deployment Opportunities -
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The US Transmission Grid(s)• 300,000 km
• 500 companies• 10% Losses
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NERC Interconnects
Source: DOE 2006 National Electric Transmission Study
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Pacific Intertie• HVDC, +/- 500 kV, 3.1 kA, 3.1 GW• 1,362 km• ~50% of LA Power Consumption • Converter/Inverter Losses ~ 5%• Ohmic Losses ~10%
Celilo I/C Station“A Mountain of Silicon”
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North American HVDC
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The “Green” Energy Economy
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www.sunzia.net
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Clovis, NM
“Three Girl Friends”
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1250 Miles
4 GW
460 Miles
500 kV
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HTSC Cables- Deployment Realities -
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• Will TA go forward using superconducting cables?
• Uncertainties:o ERCOT?o Renewables?o Silicon City?
Filled up with VSC’s
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A Modest Proposal*-”Upbraiding” the Utilities-
• More than a half-century of successful demonstrations/prototyping power applications of superconductivity (1950s - > “beyond” 2000, in Japan and US…and elsewhere)…low- and high-Tc…now sitting “on the shelf.”
• Why aren’t they “in the field” today?• Is their absence due to…
– Cost?– Hassle?– or “lack of compelling” need?– or “all of the above?”
*Apologies to Jonathon Swift
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• US utilities have long claimed to “want”…– Efficient long-length cables– Oil-free transformers– Energy Storage– Fast fault current limiters at high voltage (FCLs)– Efficient rotating machinery (aka, motors and generators)
• Well, we got ‘em. Utilities claim:– They’re too high-cost, because,
• The wire is too expensive.• They have to be kept too cold.• Electricity is cheap, and “in field” energy efficiency is not a
“compelling” driver
– Anyway, we can solve our needs by incrementally improving the “old” ways (don’t ever underestimate the ingenuity of a utility engineer to improvise, adopt and adapt)
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Hence, “my modest proposal”
• If the “cost” of the wire in any given application were to be “zero,”…
• Would the utilities then “buy them?” And sign a “letter of intent” to purchase “x” number?– e.g., Fault Current Limiters, for which US utilities have
long claimed a need
• “Zero cost” would be obtained as a Federal or State “tax credit” for the wire cost of the quantity purchased by the utility equipment vendor or the utility itself…
• Well?
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HTSC Cables- SuperCables -
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“Hydricity” SuperCables:“Proton/Electron Power (PEP) to the
People”
+v I-v
I
H2 H2
Circuit #1 +v I-v
I
H2 H2
Circuit #2
Multiple circuitscan be laid in single trench
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LH2 SuperCable
HV Insulation
“Super-Insulation”
Superconductor
Hydrogen
DO
DH2
tsc
Roughly to Scale:• Overall 30 cm Diameter
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Supercritical H2 SuperCable
Electrical Insulation
“Super-Insulation”
Superconductor
Supercritical Hydrogen @ 77 K1000 – 7000 psia
Liquid Nitrogen @ 77 K
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Electrical Insulation
“Super-Insulation”
Superconductor
LNG @ 105 K1 atm (14.7 psia)
Liquid Nitrogen @ 77 K
Thermal Barrier to
LNG
LNG SuperCableDesign for eventual conversion to high pressure cold or liquid H2
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Hg-1223 !
…funded by EPRI
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HTSC Cables- MegaProjects -
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The Next American Big-Bang-a-TronBob WilsonBill FosterPeter LimonErnie Malamud
The Pipetron…Stay tuned for Lance Cooley’s Talk This Afternoon!
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Powering the Middle East- “The e-Pipe” – The Ultimate
Vision!
Concept:
• Wellhead generation by natural gas in Qatar• Transport power via HTSC cable to the Levant
Specifications:
• 1610 km• 50 kA, +/- 50 kV• 5 GW• 1.3 x Pacific Intertie !
See EPRI Report WO8065-12 (1997)
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A Canadian’s View of the World
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The Mackenzie Valley Pipeline
1220 km18 GW-thermal
2006 - 2010
http://www.mackenziegasproject.com
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Electricity Conversion AssumptionsWellhead Power Capacity 18 GW (HHV)
Fraction Making Electricity 33%
Thermal Power Consumed 6 GW (HHV)
Left to Transmit as LNG 12 GW (HHV)
CCGT Efficiency 60%
Electricity Output 3.6 GW (+/- 18 kV, 100 kA)
SuperCable Parameters for LNG Transport
0.35 m (14 in)Effective Pipe Diameter
0.1 m2Effective Pipe Cross-section
0.53 m3/s @ 5.3 m/sLNG Volume Flow
440 kg/m3LNG Density (100 K)
230 kg/s @ 5.3 m/sCH4 Mass Flow (12 GW (HHV))
Wellhead LNG + Electricity MVP Scenario
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It’s 2030• The Gas runs out!• We have built the LNG SuperCable
years before• Put HTCGR Nukes on the now empty gas
fields to make hydrogen and electricity (some of the electricity infrastructure, e.g., I/C stations, already in place)
• Enable the pre-engineered hydrogen capabilities of the LNG SuperCable to now transport protons and electrons.
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SuperCities & SuperGrids• Nuclear Power can
generate both electricity and hydrogen – “Hydricity”
• Hydricity can be distributed in underground pipelines like natural gas
• The infrastructure can take the form of a SuperGrid
• …or aSuperCity
SupermarketSchool Home
Family Car
DNA-to-order.com
Nuclearplant
H2
H2
HTSC/MgB2
SupermarketSchool Home
Family Car
DNA-to-order.com
Nuclearplant
H2
H2
HTSC/MgB2 Grant, Starr, Overbye, SciAm, July 2006
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SuperSuburbSuperSuburb
Households: 300,000Electricity: 1800 MWHydrogen: 800 MW
SuperNukeelectrons + protons
=> 2600 MW
~ “San J ose” ~ “Diablo Canyon”
250 km
SuperCableVoltage: +/ - 20 kVCurrent: 45 kAH2 Storage: 28 GWhH2 Flow: 2 m/s
SuperSuburbHouseholds: 300,000Electricity: 1800 MWHydrogen: 800 MW
SuperNukeelectrons + protons
=> 2600 MW
~ “San J ose” ~ “Diablo Canyon”
250 km
SuperCableVoltage: +/ - 20 kVCurrent: 45 kAH2 Storage: 28 GWhH2 Flow: 2 m/s => 6.8 kg/s
SuperSuburbHouseholds: 300,000Electricity: 1800 MWHydrogen: 800 MW
SuperNukeelectrons + protons
=> 2600 MW
~ “San J ose” ~ “Diablo Canyon”
250 km
SuperCableVoltage: +/ - 20 kVCurrent: 45 kAH2 Storage: 28 GWhH2 Flow: 2 m/s
SuperSuburbHouseholds: 300,000Electricity: 1800 MWHydrogen: 800 MW
SuperNukeelectrons + protons
=> 2600 MW
~ “San J ose” ~ “Diablo Canyon”
250 km
SuperCableVoltage: +/ - 20 kVCurrent: 45 kAH2 Storage: 28 GWhH2 Flow: 2 m/s
SuperSuburbHouseholds: 300,000Electricity: 1800 MWHydrogen: 800 MW
SuperNukeelectrons + protons
=> 2600 MW
~ “San J ose” ~ “Diablo Canyon”
250 km
SuperCableVoltage: +/ - 20 kVCurrent: 45 kAH2 Storage: 28 GWhH2 Flow: 2 m/s => 6.8 kg/s
“Grant Equivalent Households”
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Wind Power Factoids
1 mileKashiwazaki Kariwa: 8 GW !
KK Wind Equivalent (8 GW)
• Power per Tower 8 MW
• Number of Towers 1000
• Inter-tower Distance 1000 ft
• Total Area (miles x miles) 43.5 x 43.5
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Diablo Canyon
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My Virtual Grandfather (@ 94)
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SuperTies- “Hotel California” -
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“Paired Californias”(Garwin-Matisoo Reborn)
EPRI Report 1013204 (2006)
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“Difference between Day and Night”
-8000
-6000
-4000
-2000
0
2000
4000
6000
8000
1 3 5 7 9 11 13 15 17 19 21 23
Hour of the Day (East Coast Time)
MW
DI/dt = 10 A/s
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“Sanity Check”
• Worst Case: Assume a “toleration loss” no larger than 1 W/m, then the entire SuperTie could be reversed in only 2 hours.
• The “fastest” change would be ~ 10 A/s between 5 and 6 PM EST. Compare with 1% ripple on 100 kA at the 6th harmonic of 60 Hz which is 720,000 A/s!
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5000 km SuperTie Economics
Cost of Electricity ($/kWh)
Line Losses in
Conventional Transmission
(%)
Annual Value of Losses on
10 GW Transmission Line @ 50%
Capacity (M$)
Additional Capital Costs for HTSC and Refrigeration
(M$)
FRB Discount Rate (%)
Period for ROI (Years)
0.05 5 % 110 52,574 5.5 % 62
Base Assumption: C/P “Gen X” = $50/kA×m
“Deregulated Electricity” will not underwrite this ROI, only a “public
interest” investment analogous to the Interstate Highway system makes sense
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Possible SuperTie Enablers
• Active public policy driving energy efficiency
• Carbon tax
• Tariff revenue from IPPs accruing from massive diurnal/inter-RTO power transactions
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Physics World, October 2009
…a future editor ofNature…?
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Some Other Axioms of History
• History is more or less bunk Henry Ford
• I can’t think about tomorrow...I’m as lost as yesterday Tomorrow, by Bob Seger
• If I’m not smart enough to solve it (a problem), neither is anyone else! Anon.
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Superconductors - The Long Road Ahead –
Foner & Orlando (1988)
“Widespread use of these [high temperature] superconducting technologies will have far more to do
with questions of public policy and
economics than with the nature of the new materials.”
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“You can’t always get what you want…”
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“…you get what you need!”
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