1 Title of your session – Your Name Nice France 10-12 December 2007 Acropolis Congress Centre ITER-India Organization, Procurement Responsibilities & Possible International Partnership for ITER Project Plenary Session A. Mukherjee ITER-India Plenary session - A. Mukherjee
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11 Title of your session – Your Name
Nice � France10-12 December 2007
Acropolis Congress Centre
ITER-India Organization, Procurement Responsibilities & Possible International Partnership
for ITER Project
Plenary Session
A. Mukherjee
ITER-India
Plenary session - A. Mukherjee
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ContentsContents
• About ITER-India organization
• Procurement responsibilities
� Technical features
• Indian Procurement areas which need International Partnership
• Model example
Plenary session - A. Mukherjee
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About ITERAbout ITER--India organizationIndia organization
A culmination of our collective wish to leapfrog into a fusion reactor program
Commitments
• Nine work packages
ITER-India
• A program within IPR for execution of ITER commitments
The Ion Cyclotron Resonance Heating System is meant for accessing H-mode operation at Q=10, tritium 2nd
harmonic at 53 MHz
Heating power ~ 20MW, also is expected to contribute some fraction of current drive (there is a range 35-65 MHz)
Wall conditioning
One prototype + Eight sources; about 2.5/source made using amplifier chains, DAC, Auxiliary PS etc.
Plenary session - A. Mukherjee
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IC H & CD Source SystemIC H & CD Source System
Wide band LPA (300 W), 3 tube-powered tuned stage: a pre-driver (~20 kW), driver stage (~150 kW) & end stage (1.3 MW)
All power stages: mechanically adjustable I/P and O/P cavities
System operates:Class AB/B
• 2.5 MW CW with VSWR 2• 35 – 65 MHz• ∆f (1 dB):
±1 MHz• Harmonic level < 20 dB
• ηelectrical >65% • τshutdown <10µs
• No single tube exists as per ITER requirement • Two independent chain of amplifiers & a combiner will be used
Plenary session - A. Mukherjee
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EC Startup Gyrotron SystemEC Startup Gyrotron System
Assist in plasma breakdown and conserving the volt-seconds
Frequency is decided by the magnetic field in an expected breakdown zone
Three 127.5 GHz Gyrotrons, PS and DAC
Plenary session - A. Mukherjee
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EC Startup Gyrotron SystemEC Startup Gyrotron System
� Frequency : ~127 GHz
� Power : 1 MW
� Pulse : 10 s (Max)
1. High power Gyrotron tubes
2. Auxiliary Power Supplies
3. Gyrotron Oil Tank with HV circuitry 3 SETS
3 SETS
3 SETS
4. Data Acquisition & Controls 1 SETS
5. Cooling connections & Instrumentation 3 SETS
7. Testing and commissioning at ITER site
6. HVDC Power Supplies
SPECIFICATIONS
SCOPE OF THE PACKAGE ( FS)
Water Cooling System
Water Cooling System
DATA ACQUISTION & CONTROL SYSTEM
Oil tank
FPS
CRMPS
CCPS
MHVPS (1 se
t)
APS (3 se
ts)
GCPS
GYROTRON VIPS
High Voltage Power Supplies
High Voltage Power Supplies
Auxiliary Power Supplies
Auxiliary Power Supplies
24 Gyrotrons for H & CD
3-Gyrotrons for Start-up
Plenary session - A. Mukherjee
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Diagnostics Neutral BeamDiagnostics Neutral Beam
Negative H beam, injected current ~20 Amp, 100 keV
To be used for Charge Exchange Recombination Spectroscopy (CXRS)
Plasma ion and impurity profiles, rotation profiles
Helium ash measurement….crucial for burning plasma experiment
Plenary session - A. Mukherjee
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Specifications
Beam voltage 100 keV (H)
Beam Current ~70 A (extracted)
Modulation 5 Hz for 3 S every 20 S
Divergence < 7 -10 mrad
Issues:
•High extraction current density
•Stringent control on divergence
•Effect of modulation on fatigue life of mechanical components
Cryopumps
Ion source
Fast shutter + gate valve
Neutraliser
Cryopumps
Diagnostics Neutral BeamDiagnostics Neutral Beam
Plenary session - A. Mukherjee
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DiagnosticsDiagnostics
Front end optics (view ports, metal mirrors, optical mounts)
A few kilometers of Optical fiber
Number of high resolution spectrographs with CCD detector units
Wavelength selectors (Filters or low resolution spectrometers)
Photomultiplier detector units
Electronics (preamps, amps, digitizers)
Also likely to include (i) X-ray crystal spectrometer for Impurity identification (ii) Microwave Diagnostics (ECE radiometry & Michelson interferometer system)
BES/CXRS (for measurement of core ion temperature and plasma rotation)(IN)/(EU)
Distribution of cryogens to all cryogenic components in ITER
Normal operation of magnet
Back-up mode
Cryopumps
Piping diagram
�Cold Circulator�Cold Compressor
CRYOPUMP ACB
STR ACB
CCBPF ACB
TF ACBLHe
TANK
CollectorCVB of LHe TANK
CS ACB
ACB : Auxiliary cold box
CVB : Cold valve box
Collector : Cryo cold box
CCB : Cold compressor box
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Model Example for Possible International Partnership Model Example for Possible International Partnership
IC H & CD Source SystemIC H & CD Source System
Plenary session - A. Mukherjee
(1 + 8) ICRH Sources + DAC + Auxiliary PS
Major Design Drives:
• Constant CW output power with variable loads (S = 2.0)
• Tube’s VSWR handling capability
• Wide band operation for the entire chain
• Frequency deviation over any central frequency at 1dB point: ± 1 MHz
• System tuning within 180 s for f > 2 MHz
Each multistage amplifier: should be operated independently with max. capability & safety and also in synchronization with ITER main control system
CODAC
Design, manufacturing, assembly & testing, packaging & shipment, site commissioning & site acceptance of
Scope
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Possible ITERPossible ITER--India India –– Industry CoIndustry Co--ordinationordination
Plenary session - A. Mukherjee
Design study
Basic design
Detailed engineering
Fabrication Assembly Testing
ITER-India
Feedback of Experience Industry (Indian +
International)
Studies Validation
Major emphasis on transmitter
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A Typical ContractA Typical Contract
Plenary session - A. Mukherjee
• A “Multi-step Procurement Contract” is announced/advertised
– Study & Comprehension; Design Optimization; Prototyping/Feasibility study, Final Award
• Step-1: Expression-Of-interest (EOI) is invited for bidding
– Vendor selection criteria: Record of sufficiently large contracts in similar area, Proof of similar currently working systems, Codes & Standards, etc
• Step-2: Pre-bid Conference:
– Introduce and Explain scope of work
• Step-3: Vendor Comprehension Evaluation
– After a reasonable gap of time (~ 1.5 - 2 months)
– On the basis of presentations before an expert committee
• Step-4: Select promising vendors for procurement optimization from anintegrated point of view: manufacturing, shipping, assembly, schedule/cost etc
– On a ranking scheme announced in the Conference
• Step-5: Evaluate performance in (4) above and also innovative suggestions on fabrication feasibility, cost optimization, delivery milestones, etc
• Step-6: Shortlist a few, if needed, for actual work on prototype; to prove that specs can be met
– Technical Qualification Round
• Step-7: Price-bid
• Step-8: Award on appropriate basis of combination of price and technical competence
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Thanks for your kind attention ! Thanks for your kind attention !