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ILC （ International Linear Collider ） Asian Region Electrical Design

ILC （ International Linear Collider ） Asian Region Electrical Design. H. Hashiguchi, Nikken Sekkei, Co. Ltd., A. Enomoto, KEK ILC Mechanical & Electrical Review and CFS Baseline Technical Review 2012.3.21-23, CERN. Contents. ①　 Electrical Power System ②　 Electrical Grounding System

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ILC （ International Linear Collider ） Asian Region Electrical Design

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  1. ILC（International Linear Collider）Asian Region Electrical Design H. Hashiguchi, Nikken Sekkei, Co. Ltd., A. Enomoto, KEK ILC Mechanical & Electrical Review and CFS Baseline Technical Review 2012.3.21-23, CERN

  2. Contents ①　Electrical Power System ②　Electrical Grounding System ③　Communication Network System

  3. Electrical Power System Design Concepts ・Reliability ・Efficiency ・Cost

  4. Electrical Power System Site Specific Issues ・HLRF layout: RDR-like ・Local HV lines: 150 – 500 kV ・Site MV: 66 kV ・Area MV: 6.6 kV Strawman Baseline for Technical Design Phase2 (2010-2012) SB2009 Re-baselining

  5. Electrical Power System Load Requirements (Full Power Op., ref. Sep. 2011) Requirement（for500GeV）　

  6. Electrical Power System Load Requirements (w. Power Factor) Power Factor Assumption

  7. Electrical Power System Load Requirements (Capacity) Electric Power Capacity

  8. Electrical Power System Load Requirements (Capacity) Total 300MVAincluding margin +about 60MVA margin

  9. Electrical Power System System Redundancy (Surface-ground MainSubstation) 275kV Receiving Equipment is AvailableFor1TeVsystem (Up to 500MVA) Transformer Space For1TeVsystem VCT VCT 275KV/66KV （in future） （in future） 275KV/66KV 100MVA 100MVA （in future） （in future） ① ② ③ +1 275KV/66KV 275KV/66KV 275KV/66KV 275KV/66KV 100MVA 100MVA 100MVA 100MVA AH2 AH3 AH4 EH AH5 AH6 AH7 AH2 AH3 AH4 EH AH5 AH6 AH7 N（3）+1transformercomponent for500GeVsystem

  10. VCT VCT 275KV/66KV （in future） （in future） 275KV/66KV 100MVA 100MVA （in future） 275KV/66KV 275KV/66KV 275KV/66KV 275KV/66KV 100MVA 100MVA 100MVA 100MVA Electrical Power System System Redundancy (MainSubstation,cnt.) 2 Components of Distribution panel （in future） A B AH2 AH3 AH4 EH AH5 AH6 AH7 AH2 AH3 AH4 EH AH5 AH6 AH7

  11. Electrical Power System System Redundancy(Site Power Distribution) 66KVpowerdistribution Mainlinediagram From 2 Components of Distribution panel toEach 66kVsubstation MainSubstation A B AH2 AH3 AH4 EH AH5 AH6 AH7

  12. Electrical Power System System Redundancy (Area 66/6.6kV Transformers) 2 transformers(30MVA) at Each Hall

  13. Electrical Power System Spare 66/6.6kV Transformer Keep one Stand-by Transformer(30MVA) at center warehouse on the ground

  14. 66KV/6KV 66KV/6KV 30MVA 30MVA 6％ 6％ 500Kvar 500Kvar VCB space VCB ForRF ×12 ×8 ×10 ×10 Electrical Power System 66/6.6kV Substations (@7 underground halls) One line diagram of 66KVsubstationwithgenerator Each substatiosn installed in access halls and an experimental hall Capacitor for conventional load power factor improvement

  15. 66KV/6KV 66KV/6KV 30MVA 30MVA 6％ 6％ 500Kvar 500Kvar VCB space VCB ForRF ×12 ×8 ×10 ×10 Electrical Power System 66/6.6kV Substations (@7 underground halls, cnt.) One line diagram of 66KVsubstationwithgenerator Emergency Generator On the ground Emergencyloadassumption Drainage pump， smokeextractionfan， and so forth 6.6kV Onemain line branches about 10 RF Heliumgasextractionsystemalsopreferstoaddemergencyload 6.6kV One main line branches about 4 local substation

  16. H H Cooling Water System 10000 91600 56000 72000 8000 E R30000 10000 33500 45000 35500 10000 G 8000 8000 10000 A LEVEL 15000 15000 Pump G 8000 10000 B C 15000 15000 41300 Electrical Facilities RF Side E Cryomodule Side 40000 K K 20000 20000 Electrical Power System 66/6.6kV Substations (@7 underground halls, cnt.) A 66kV Substation Floor Plan

  17. A　－　A ’ section A A ’ Electrical Power System 66/6.6kV Substations (@7 underground halls, cnt.) 20000 20000 Maintenance space duct GIS GIS 10000 6000 30M 30M 4500 Maintenance space TR TR 5000 5000 6000 30000 Monitoring system Monitoring system SC F F SC 6.6KV/200V 6.6KV/200V Battery Battery Floorlayoutplan

  18. 1φ3W 1φ3W 3φ4W 6.6KV 6.6KV 6.6KV /200-100V /200-100V /400V 100KVA 100KVA 200KVA capacitor Harmonicfilter ForRF 150KVA Electrical Power System 6.6kV Local Substations (@Service tunnel) Localsubstation （each4RF） PowersupplyforRF （each1RF） Harmonic filter for RF Capacitor for RF power factor improvement

  19. Electrical Power System ML Tunnel Section 6.6kVcables,200V cables Cables for communications Plumbing for heat and cool system 66kV cables R7000 4402 6000 5500 R4000 Maintenance space 1098 400 Mesh grounding 1500 3300 3500 4200 11000 11600 12000

  20. Electrical Power System ML Tunnel Floor A Beam Tunnel 1500 Service Tunnel 1000 1600 1600 Maintenance space 38000

  21. Electrical Power System ML Tunnel Floor (Detail 1) A Section Layout R4000 R7000 1500 5000 1000 Kｌystron Rack for RF Rack for RF 800 Power supply for RF (Each I RF，with Harmonic filter) 1600 1500 1251 modulator Pulse generator 1067 800 FCU 1100 1100 4270 305 1341 432 3385 1600 Maintenance space

  22. R4000 R7000 A 15000 Panel for grounding 1000 Pump Crystron 800 610 1600 Pump 1000 Local substation (each 4 RF) 800 Control Panel 3385 1100 1100 914 4000 1600 FCU 1100 Maintenance space 38000 Electrical Power System ML Tunnel Floor (Detail 2) Section Layout

  23. Electrical Power System ML Tunnel Elevation A 38000

  24. Electrical Power System ML Tunnel Elevation (Detail 1) FCU 914 914 914 914 914 Rack for RF Rack for RF Rack for RF Power supply for RF (Each I RF，with Harmonic filter) modulator 2100 2007 Pulse generator Crystron A 38000

  25. Electrical Power System ML Tunnel Elevation (Detail 2) FCU 914 914 914 4000 Pump Panel for grounding Beam safety Rack Rack for RF Rack for RF Local substation (each 4 RF) 2100 2324 2350 Pulse generator Crystron A 38000

  26. Grounding System Purpose ・Avoidinfluencesofelectric leakage fromothermachines ・Producesignalbaseforinformationsystems ・Thunder lightning protection

  27. Electrical Grounding System TypicalModel ofTunnel Ground System Lightning rod Lightning Protection On the ground Facilities on the ground Main Panel for Grounding Service line SPD (surge protect device) Grounding for lightning protection Grounding for SPD Functional Grounding Main line for grounding AH Flexible for switching grounding line connection Beam tunnel Reduce Grounding Resistance Panel for Grounding （ for each 38m） Mesh grounding （using arrangement bar）

  28. Communication Network System Design Concept ・Reliability ofNetworkfor InformationSystem ・ReducingSpace byUnifiedwiringmanagement ・EfficientNetworkbyUnifiedwiringforReducingConstructionCost

  29. Communication Network System Needs for ILC ① SystemsforCommunication 　　・internet 　　・telephone ・pubulicaddressorpaging ② SystemsforLineac control ③ SystemsforSafety 　　・fireditectionandguide 　　・Radiationsafetymanagement 　④　Systemsformonitoring 　　・electricpowersystemmonitoring 　　・cameramonitoring 　　・airconditionandpumpmonitoring

  30. Communication Network System Equipment Networkinfrastructures panel wiring rack

  31. Communication Network System Overallnetworksystem concept Assumedsystemsbased on unified Wiring Networks with back-up can reduce space.

  32. Summary ①　Electrical Power System → Electrical Power System is discussed taking account of reliability , efficiency, and cost. → Electrical equipment layout were discussed to determine the cavern size of substations.

  33. Summary Asia region electrical design ②　Electrical Grounding System → A grounding system for a hard-rock mountain site was discussed. ③　Communication Network System → Unified and extended network system was proposed taking advantage of sufficiently radiation-shielded “Kamaboko-type” service tunnel.

  34. Appendix

  35. ILC ‘Area System’- Superconducting Electron/Positron Linear Accelerators- (5) Main Linac (ML) x 560 (4) Ring To Main Linac (RTML) (3) Damping Ring (DR) ~31 km Damping Ring (DR) Expansion to ~50 km (for 1 TeV) e+ Source e+ Source RTML Beam Delivery System (BDS) e+ Main Linac (ML) RTML e- Main Linac (ML) (2) Positron (e+) Source (1) Electron (e-) Source (7) Experimental Hall (6) Beam Delivery System (BDS)

  36. Design Progress from 2005 to 2009 Reference Design Report (RDR) published in 2007. Re-baselining for cost containment undergoing. Baseline Configuration Document BCD (2005) Reference Design Report RDR (2007) Current Baseline Strawman Baseline for Technical Design Phase2 (2010-2012) SB2009 Re-baselining

  37. Main Linac (ML) RF Unit in RDR- Twin-tunnel accelerator configuration- Service Tunnel Input RF power: ~100 W Input DC pulse: 15.6 MW peak, 1.6 ms, 5 Hz Output RF pulse: 10 MW peak, 1.565 ms, 5 Hz Averaged output power: 78.25 kW Klystron Efficiency: 65% Power loss: 46.55 kW AC plug-in power: 150 kW Output pulse: 120 kV x 130 A = 15.6 MW peak, 1.6 ms, 5 Hz Averaged output power: 124.8 kW Modulator Efficiency: 83% Power loss: 25.2 kW Beam Tunnel Power Loss: ~5.6 kW (7%) 37.956 m e- ML 282 RF units e+ ML 278 RF units Total 560 RF units Field gradient: 31.5 MV/m Energy gain per RF unit : 850 MeV (with 22% tuning overhead)

  38. ML RF Unit- Distributed RF System (DRFS) - 35.100 m Cooling Water Skid and Common Electricity (Every 4th Units, 152 m) 1.6 m (W) ~5.4 m (L) (every 4th units) X 2.438 m (H) 11.62 m 26.336 m (~70%)

  39. Cryogenic System Configuration in RDR

  40. Electrical / Mechanical Requirements - Electricity in RDR -

  41. Electricity Distribution- 66 kV High Voltage Line Along The Site (Asian Regional Plan) - Surface Service Tunnel (RDR) / Main Tunnel (SB2009)

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