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Superconductor Cables for Data Center Applications March 24, 2010.

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Presentation on theme: "Superconductor Cables for Data Center Applications March 24, 2010."— Presentation transcript:

1 Superconductor Cables for Data Center Applications March 24, 2010

2 Agenda Introduction to AMSC AC Superconductor Cables LV DC Superconductor Cables A Challenge

3 Market/Ticker: NASDAQ/AMSC Founded:1987 Headquarters:Devens, MA Other locations:Wisconsin, Pennsylvania, Austria, China Employees:650+ Patents owned or licensed: 700+ About American Superconductor AMSC Power Systems Produces power electronic D-VAR® and SVC reactive compensation systems Provides licensed wind energy system designs AMSC Superconductors Produces HTS wire Designs, develops and licenses HTS products, and manages large-scale HTS projects

4 Partnering with AMSC AMSC offers a unique corporate experience base: 23-year history in the development and manufacture of superconductor wire and systems Involvement in two-thirds of the worlds HTS superconductor project installations Supplier of >75% of all HTS wire used in power applications In-house System Planning Department experienced in modeling superconductor cable systems Cryogenic system design expertise tailored to HTS projects Protection and control system design expertise Turn-key superconductor cable system integration experience AMSC offers unmatched capabilities

5 5 AMSC and First Element Offer a Unique HTS Partnering Experience DATA CENTER DESIGN SUPPORT: First Element and AMSC can assist in completing any studies needed to site, size and evaluate the system impact of HTS cables CABLE SPECIFICATION SUPPORT: AMSC can develop cable electrical requirements. CRYOGENIC SYSTEMS: AMSC can develop specifications for, and provide the cooling system and assist in evaluating cryogenic refrigeration options. SYSTEM INTEGRATION SERVICES: AMSC and First Element can define the scope of supply, timelines, installation, and commissioning requirements – including turnkey services - for the overall HTS cable project. AMSC is Uniquely Suited as an HTS Cable Project Partner

6 Superconductor Cables for Data Centers AC Cables High power cables as alternative to conventional power cables LV DC Cables Extremely compact Extremely light Allows for new data center design concepts LIPA 138kV, 575MVA Cable System 22kV, 50MVA Cable

7 Power Transfer Equivalency of Superconductor Cables Same Voltage, More Power - Greatly increased power transfer capacity at any voltage level Superconductor cables provide much greater power transfer than conventional cable *Superconductor rating based on conventional 4000A breaker rating

8 Application Advantages of AC Cable Photo courtesy MIT Single cable can replace multiple cables Lower power losses bring power into a data center Lower installation costs One of these or All of this?

9 Superconductor Cables for LV DC Power Distribution in Computer Data Centers A DC power distribution system within Data Centers could increase the efficiency of typical operations by over 28%* * DC Power for Improved Data Center Efficiency, Lawrence Berkley National Laboratorys (LBNL), 2006, p60 Data Center Power Consumption

10 Superconductor Advantages with DC Power When carrying DC current, superconductors themselves are perfectly lossless Regardless of length Regardless of power rating Benefits No power limitations based on current-based losses Allows higher current levels Allows longer cable runs Superconductors offer significant advantages in data center applications

11 Superconductor Cables for LV DC Power Distribution in Computer Data Centers * DC Power for Improved Data Center Efficiency, Lawrence Berkley National Laboratorys (LBNL), 2006, p60 Copper Realities Voltage Drop limits length and therefore data center design Resistance produces heat and increased cooling costs Large number of cables are Heavy, expensive to install, and require significant support Copper, though effective, introduces design limitations Conventional copper bus work from DC plant to PDUs

12 12 Degaussing Systems Ship moving though the earths magnetic field creates a magnetic disturbance that is detectable by enemy magnetic mines

13 Degaussing Systems Baseline Copper System DDG1000 HTS Single loop, 1/10 the weight Today, heavy, bulky copper cables are used to hide ship magnetic signature. Current capacity of copper often requires multiple cables to be used in a single loop =

14 Degaussing Systems LV DC superconductor cables are in service today in very demanding environments

15 Superconductor Cables for LV DC Power Distribution in Computer Data Centers Refrigeration HTS Cable Junction Box Monitoring * DC Power for Improved Data Center Efficiency, Lawrence Berkley National Laboratorys (LBNL), 2006, p60 LV Superconductor DC A Power Cable Equivalent Power Density of Copper to Superconductors Typical helium cryocooler Cryostat

16 Practical deployment of Superconductor Cables in Data Centers Refrigeration required Larger bending radius required for cryostat (3-6) Tap points increase thermal load Minimize number of tap points Allows long runs from more centrally located DC plants Allows higher current runs HTS CABLE Drops within PDU or to multiple PDUs

17 Advantages of LV Superconductor Cable * DC Power for Improved Data Center Efficiency, Lawrence Berkley National Laboratorys (LBNL), 2006, p60 No voltage drop frees up data center design (better floor space utilization) No electrical resistance reduces data center power consumption by up to 20% (losses and cooling) Small single cable reduces construction cost and time One 2 diameter, 1 lb/ft cable carries >4000A an unlimited distance with no voltage drop Superconductors offer significant advantages in data center applications

18 48VDC Losses: Cu Vs Superconductor Cables Loss parity with copper for shorter distances and lower current Efficiency increases significantly with distance and current Length 150 ft 500 ft 1000 ft Current 2000 A 4000 A Superconductor cooling power3.3kW4.6kW7.3kW9.3kW Cu* Losses3.4kW6.6kW22.kW44.3kW Loss Improvement2%8%66%79% Superconductor cables reduce energy consumption * 0.5A/mm 2 copper capacity

19 Estimated Installed Cost 48VDC: Cu Vs Superconductor Cables One cable replaces many, reducing cost and speeding and simplifying installation Superconductor cables have smaller footprints easing installation Lower weight reduces cable tray costs Length 150 ft 500 ft 1000 ft Current 2000 A 4000 A Installed Cost Savings (HTS to Cu) 0%20%40%55% Superconductor cables are economical 0.5A/mm 2 copper capacity Copper cost installation estimates provided by First Element

20 Advantages of a Superconductor Cabled Data Center Establishes a new standard in power delivery efficiency A complete superconductor cabled data center is estimated to reduce a power requirements by 20% or more Lower cabling installation costs Savings driven by amperage and cable length Enables relocation of equipment to less expensive locations Rectifiers, batteries, and UPS systems typically consume 10% or more of a data centers floor space Free up space on data center floors Superconductor cables are game changers

21 AMSC LV DC Superconductor Cables AMSC can design and build DC superconductor cables of: Any voltage Any current rating Any length Completely engineered with cooling system and monitoring AMSC wants to: Develop standard LV DC product range for data center applications Develop standardized connections, etc AMSC is looking for Partner Companies to Deploy LV HTS Data Center Cables

22 Superconductor Cables for LV DC Power Distribution in Computer Data Centers Refrigeration HTS in Cryostat Junction Box Monitoring A DC power distribution system within Data Centers could increase the efficiency of typical operations by over 28%* * DC Power for Improved Data Center Efficiency, Lawrence Berkley National Laboratorys (LBNL), 2006, p60 Conventional copper bus work from DC plant to PDUs Voltage drop limits length and therefore data center design Resistance produces heat and increased cooling costs Large number of cables are heavy, expensive to install, and require significant support Data Center Power Consumption LV Superconductor DC Power Cable Equivalent Power Density of Copper to Superconductors LV Superconductor DC Power Cable No voltage drop frees up data center design (better floor space utilization) No electrical resistance reduces data center power consumption by up to 20% (losses and cooling) Small single cable reduces construction cost and time One 2 diameter, 2lb/ft cable carries >4000A an unlimited distance Attractive for data center upgrades or rebuilds


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