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Bruker Energy & Supercon Technologies (BEST), Inc.
CC Based FCL’s:Progress in Performance and Prototyping
Hans-Udo Klein
5. Braunschweiger Supraleiterseminar, June 23rd and 24th , 2010
© Copyright 2009 Bruker Corporation. All Rights Reserved.2
BRUKER is a leading Research EquipmentSupplier, organised in five groups
Breakdown of 2008 Corporate Revenue
System Sales
77%
Service,
Consumables
&Software
19%
Supercon
Wires &
Devices
4%
Applied
Markets
3%
For-profit
Healthcare
Pharma
Biotech IVD
Companies
12%
Government
11%
Industrial
Research
QA/QC
17%
Academia &
Non-profit
57%
Americas
24%
ROW
4%
Europe
52%
Asia-Pacific
20%
Revenue byCustomers
Revenue byGeography
2008 Annual Revenue:$1.1 Billion
Revenue by
Product
© Copyright 2009 Bruker Corporation. All Rights Reserved.33
Quantum Jumps in Performance - BBIOBruker BioSpin’s Global Technology andMarket Leadership in NMR Spectroscopy
• 3 New Unique Ultra-High Field NMR
Magnet Introductions in 2009
• ENC ’09: world’s highest field, actively
shielded widebore magnet 900 MHz US²
• ENC ’09: world’s highest field, actively
shielded standard bore compact single-
story magnet 850 MHz US Plus™
• World’s highest field, first 1GHz magnet
Avance 1000: announced June 1st, sold
to U. Lyon, France for 2009 installation
900MHz WB US²
Compact 850MHz
Avance 1000
1 GHz NMR
Bruker EST Product PortfolioGlobal technology leader and broadest technology basein superconductivity, the ultimate clean technology
Materials Division
(65 % of sales in 2009)
• LTS: Metallic NbTi Superconductors forhealthcare and life science
• LTS: Ultra-high performance Nb3Sn andPIT metallic superconductors for ultra-high Field NMR, fusion reactors
• HTS: superconductors for clean-techmotors used in propulsion and industry
• HTS: materials for smart-grid devicessuch as SFCL, HTS cables, generators
• Cuponal wire and sections for light weight(mobile) electrical solutions
• Advanced materials research such asMgB2 for future cryogen-free MRI
Devices Division
(35 % of sales in 2009)
• Superconducting RF-AcceleratorComponents & Turn Key Systems
• Devices & components used for X-ray opticsand synchrotron beamlines
• Superconducting magnets for accelerators,research labs, and fusion energy experim’s
• Industrial superconducting magnets formagnetic separation & energy storage
• Fault current limiter (SFCL); prototyperesistive type installed at RWE facility in ‘04
Key Developments:
• New iSFCL advanced fault current limiterdesign - initial field spec tests in Oct 2009
BEST Acquired Research Instruments Businesses fromACCEL Instruments GmbH/Varian Medical Systems, Inc., 04-09
Leading Global Accelerator, Magnets, and Beamline Systems Supplier for R&D&Ind’y- End of 2006 ACCEL had 250+ staff, € 50-60m revenues in 2004, 2005, and 2006,- Sold to Varian Medical Systems, Inc., who retained medical business, 50% staff
Bruker Advanced Supercon (BASC)100% BEST
Radio Frequency Systems
Superconducting/nc rf Cavities andModules
Linear Accelerators
Special Manufacturing Projects
RI Research Instruments51 % BEST
Experience/Know How in SC Fault Current Limiters
ACCEL plus partners designed anddeveloped the CURL 10 resistivesuperconducting fault currentlimiter, a BMBF funded project
Demonstrator device installed andoperated at RWE facility in 2004
Major areas for benficial FCL implementation
•(1) Transformer feedline
•(2) Power plant’s internal power supply
•(3) Busbar couplings
•(4) Generator output
•(5) decentralised/distributed power generators
•(6) sub-network coupling
•(7) Reduction of losses in conventional limiters
•(8) parallel feeds for critical consumers
(Hospitals, Semicon/Solar-Fabs)SB
SB
SB
SB
SB
SB SB
110 - kV - Netz 110 - kV - Netz 110 - kV - Netz
380 - kV - Netz
SB SB
SBSB
SB
SB
4
2
1
33
5
6
7
8
Manifold Applications of Fault Current Limiters in Transmissionand Distribution grid - as well as in critical (industrial) processes
Prof. Hoffmann, University of Hannover, 2010
Parameter/Specs Resistiv Saturated Iron Inductiv shielded
Self triggering yes yes yes
Limitation factor high low high
Response time medium high high
Quench type sequential Without quench Avalanche, simultaneous in the modules
Recovery time (after 5 FC periods) 2-3 sec ~ mseca) <100 msec
Current Leads required yes yes no
Cryostate temperatur 65-77K 20-77K 77K
Cooling power for limiting event high low medium
Cooling for normal operation high medium low
Operational safety yes yes yes
SFCL Impedance in normal operation <1% 1 – 4% ~2%
Activation by sc element required yes no no
High Voltage insulation in cryostat req’d yes no no
Relative Footprint for the same rating 0.1-0.2 1 0.2-1
Kry
oaspekte
Str
om
begre
nzung
sonstige
Eig
enschaft
en
Compparison of SFCL Principles
iSFCL Characteristics
The inductive shielded superconducting fault current limiter „iSFCL“
• is based on 40 mm wide Bruker BEST 2G YBCO HTS tapewith very good performance regarding current rating and uniformity
• leading to advantageous operational properties in connection with thechosen physical FCL principle
Self activation, no external trigger circuit
Self recovery
Low operating costs
Potential to shrink size/weight considerably
Successful Milestone Oct 2009:iSFCL design passed field spec test
• Rings out of 40 mm YBCO HTS tapes with shunt system
• Limitation of 68 kA prospective current to 9 kA peak in < 5 ms
• Reaction time of ~ 0,3 ms and „self recovery“ within ~ 0,2 s
• Power rating of Modul 123 kVA
• homogeneous and simultaneous quench behaviour potential for more compact design, cost reduction
„Self-recovery“
200msrecovery100ms fault
Areva – Bruker – Stadtwerke AugsburgVerbundvorhaben „iSFCL“
weitere Partner:
Prof. Dr. Mannhart/U Augsburg,Prof. Dr. Finkel/E-Technik/HS Augsburg,Prof. Dr. Grossmann/IEE/U Dresden,Prof. Dr. Hofmann IEE/U Hannover,IPH Berlin
Areva Energietechnik GmbH Sachsenwerk MittelspannungRegensburg
Bruker ASC GmbH ehem. ACCEL Instruments –Bereiches.l. Magnetesysteme und „Devices“,…Bergisch Gladbach
Bruker HTS GmbH Alzenau, siehe Vortrag A. Aubele
Stadtwerke Augsburg Energie GmbH
5. Braunschweiger SL-Seminar 23.-24.06.2010
Areva – Bruker – Stadtwerke AugsburgVerbundvorhaben „iSFCL“
Induktiv geschirmter supraleitender Strombegrenzer„iSFCL“
Aufbauend auf der Materialentwicklung von 40 mm breitenYBCO HTS Coated Conductors ist unser Ziel, die Vorteile dessupraleitenden Strombegrenzers an Prototypen im MS-Netzzu demonstrieren und bei Erfolg in marktgängige Produkteumzusetzen:
• Schaltverhalten- Reaktionszeit- Erholungszeit- Selbstauslösung
• Konstruktion/Investitionskosten
• Betriebskosten
• Kompaktheit !?
5. Braunschweiger SL-Seminar 23.-24.06.2010
Areva – Bruker – Stadtwerke AugsburgVerbundvorhaben „iSFCL“
Funktion
Fehlerstrombegrenzung im Netz der Stadtwerke Augsburgzwischen einem Umspannwerk und dem Werk der MTUOnsite Energy GmbH.
MTU Onsite Energy stellt Blockheizkraftwerke her undtestet diese umfänglich, fungiert also sowohl alsVerbraucher wie als Einspeiser.
Haupt-Spezifikationen
• Bemessungsspannung 12 kV, 3-phasig• Betriebsspannung 10 kV, 3-phasig• Bemessungsleistung 15 MVA• Bemessungsstrom, nominal 0,87 kA eff.• Fehlerstrom
- begrenzt durch iSFCL < 5 kA peak- nach 3xZeitkonstante (~ 135 ms) 2,8 kA peak- nicht begrenzt (d.h. ohne iSFCL) 31,5 kA eff.
• Ansprechzeit ~ 1 ms• zu begrenzende Kurzschlußdauer < 1 s
Bruker ASC & HTS
5. Braunschweiger SL-Seminar 23.-24.06.2010
14
Vielen Dank für Ihre Aufmerksamkeit !
5. Braunschweiger SL-Seminar 23.-24.06.2010