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ECRH System for JET

ECRH System for JET. Feasibility Study Operator Interface. ECRH System for JET. Alan Parkin CCFE System layout, power supplies and machine interfaces Acknowledgements Power Supplies – H Braune & P Khilar CODAS – J Farthing. Port Allocation. Only Main Horizontal Ports Considered

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ECRH System for JET

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  1. ECRH System for JET Feasibility Study Operator Interface

  2. ECRH System for JET Alan Parkin CCFE System layout, power supplies and machine interfaces Acknowledgements Power Supplies – H Braune & P Khilar CODAS – J Farthing ECRH Feasibility Study - Science Meeting 25th January 2010

  3. Port Allocation • Only Main Horizontal Ports Considered • Octant 2 Chosen by Project Board as Design Basis • Requires ITER Like Antenna Removal • Requires Re-orientation of Pellet Injector • Advantages of Octant 2: • Relatively Clear Port • ILA Support Structure Re-used • ILA Platform Re-used ECRH Feasibility Study - Science Meeting 25th January 2010

  4. Port Allocation ECRH Feasibility Study - Science Meeting 25th January 2010

  5. Port Allocation ECRH Feasibility Study - Science Meeting 25th January 2010

  6. Port Allocation Pellet Injection tubes are to be considered in the design of the ECRH Launcher ECRH Feasibility Study - Science Meeting 25th January 2010

  7. Plant Layout • Gyrotron Building • Power Supplies • Wave Guides • Demineralised Water Plant ECRH Feasibility Study - Science Meeting 25th January 2010

  8. Plant Layout Power Supplies Containerised Gyrotron building with water plant in J1S ECRH Feasibility Study - Science Meeting 25th January 2010

  9. Plant Layout ECRH Feasibility Study - Science Meeting 25th January 2010

  10. Plant Layout Gyrotron Building Layout ECRH Feasibility Study - Science Meeting 25th January 2010

  11. Plant Layout Transmission line based on corrugated and evacuated WG63. ECRH Feasibility Study - Science Meeting 25th January 2010

  12. Plant Layout ECRH Feasibility Study - Science Meeting 25th January 2010

  13. Power Supplies The JET ECRH system consists of 12 gyrotrons of 1 MW unit power (assumption )  12 power supplies are required ECRH Feasibility Study - Science Meeting 25th January 2010

  14. Power Supplies ECRH Feasibility Study - Science Meeting 25th January 2010

  15. Power Supplies ECRH Feasibility Study - Science Meeting 25th January 2010

  16. Power Supplies ECRH Feasibility Study - Science Meeting 25th January 2010

  17. Control Systems - PS • Remote & local mode operation • Remote by CODAS control • Local by PC • Control of: • Power, Voltage & Current • Closed loop voltage regulation • Monitoring & indication of parameter & plant status • Protection and Interlocks • Communications – CODAS, CTS, CISS , PSAC systems ECRH Feasibility Study - Science Meeting 25th January 2010

  18. Control Systems - CODAS • CODAS • ITER – CODAC Standard for future JET enhancements • Slow electronics – suitable for PLC Siemens S7 • CODAC Plant System Host • CODAS ‘blackbox’ software above the host ECRH Feasibility Study - Science Meeting 25th January 2010

  19. Control Systems - CODAS • Interlocks – To be investigated • Hardwired to prevent damage to torus • Safety systems CISS and PSACS • Location • DFAS area assumed • Ancillary work • New cubicles • Update of obsolete parts ECRH Feasibility Study - Science Meeting 25th January 2010

  20. Impact on Diagnostics • Protection of diagnostics • Abnormal events • Testing into empty vacuum vessel • Personal safety issues • Interference and limitations to diagnostic operation ECRH Feasibility Study - Science Meeting 25th January 2010

  21. Summary • ECRH for JET is a large project • Benefits for JET and ITER are significant • Plant and equipment will be displaced • Significant resources required for installation and future operation • Project is feasible ECRH Feasibility Study - Science Meeting 25th January 2010

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