System Integration of the TPS. J.R. Chen NSRRC, Hsinchu

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1 System Integration of the TPS J.R. Chen NSRRC, Hsinchu

2 OUTLINE I. Main features of the TPS II. Major concerns and intersystem effects of an advanced synchrotron light source III. Subsystems and intersystem integration of the TPS IV. Manpower, budget and schedule

3 I. Main Features of the TPS High stability -- Photon intensity fluctuation <0.1% -- Beam orbit fluctuation <0.2µm (BW200Hz,1kHz sampling) -- Beam size fluctuation <0.1µm Low emittance and high brightness -- Brightness >10 21 p/s/0.1%bw/mm 2 /mrad 2 (@ 10 kev) -- Emittance < 2nm-rad High reliability -- High injection efficiency (>90%) -- Machine Up-time >98% -- Trip rate < 1/week Superconducting Technologies

4 II. Major concerns and intersystem effects (Machine Instability Frequency Domain) Four Season Daily Sunshine Beam lifetime (hrs) Ocean wave (~7 sec) Synchrotron oscillation Damping time, Excitation time AC line voltage (60Hz) Traffic (~4-10sHz) Betatron oscillation Revolution frequency RF frequency Ground Settlement Thermal Effect Vibration Effect Beam Effect SR users most concern 10-9 Frequency (Hz) yr day hr min sec 1 Hz 10 3 khz 10 6 MHz 10 9 GHz

5 Intersystem Effects Thermo-mechanical Effects (Propagation chart from heat sources to the fluctuations in beam orbit and beam size) Synchrotron light Outdoor temp. Machine setting AC voltage CTW / CHW AHUs Electrical heating Cable heating Air temp. (expt area) Air temp. (tunnel) Air temp. (core area) DIW (BL) DIW (VAC) DIW (mag, rf, ps) Photon monitor e-bpm Vacuum chamber Girder Operation Technique Magnet RF System PS (magnet) Feedback System Beam orbit / beam size fluctuation Sources of Noise Utility System Accelerator Components

6 Intersystem Effects Vibration Effects (Mechanical Effects on Beam Orbit and Size) Beam Monitoring & F/B System Beam Orbit Distortion, Emittance/Size Blowup Displacement amplified (mech. structure, damping material) IV. Magnet/BPM etc. III. Girder Coolant Vibration (isolation) II. Pedestal I. Ground Heat (Air/Water) (temp. controlled, heat isolation) Ground Vibration (site, civil construction, isolation)

Intersystem Effects Electrical and Beam Effects Electrical noises (line & grounding) EMI noises (?) Beam interactions Performance of Power Supply, Monitors, Feedback system, etc.

7 Intersystem Effects Electrical and Beam Effects Electrical noises (line & grounding) EMI noises (?) Beam interactions Performance of Power Supply, Monitors, Feedback system, etc. Photon beam fluctuations (beam size and beam orbit) Temperature ( ) Core Area Temp. Quadrupole Power Beam Orbit Time (Hours) Voltage (V) AC line voltage output of DC-PS Beam Orbit (mm) Photon beam flux fluctuation photon beam monitor improved AC line voltage regulated PS-Q4 Noise reduced e-bpm noise reduced HOM free cavity & transverse F/B AC line voltage horizontal beam size 0.00 Oct.2002 Nov.2002 Jan.2003 Feb.2003 April 2005 Time TLS improvements

8 III. Subsystems and System Integration of the TPS 1. Main construction items 2. Design considerations 3. TPS Integration (design phase)

9 Main Construction Items Civil Construction Accelerator Building Utility Building Utility and Cryogenics Systems Cooling Water System Air Conditioning System Electrical Power System Grounding System Cryogenics system Injection Systems LINAC Booster Beam Transport Line Storage Ring Lattice Design Beam Operation Techniques Magnet RF System Vacuum System Mechanical Positioning System Beam Diagnostics and F/B System Magnet Power Supply Front End Control Systems IDs Radiation Safety System

10 Design Considerations High performance Injection system -- e-gun -- LINAC -- pulse magnets -- short bunch/ high purity single bunch Stable Mechanical System -- high stability temperature control ( C) -- low vibration (~20 nm) Stable Electrical System -- low electrical/grounding noises -- low ripple power supplies -- low EMI High Performance Diagnostics and Feedback Systems -- high resolution BPM (<0.2 µm) -- feedback with photon monitors (photon beam angle < 0.1 µrad) -- slow feedback systems -- fast feedback systems

11 Design Considerations (conti.) High Performance ID, RF and Vacuum Systems -- high quality insertion device (with dynamic scan) -- HOM free RF cavity -- Vacuum (low gas pressure and low chamber impedance) Powerful Commissioning/Operation Assistance System -- machine data archive system -- powerful application programs -- automation of control System/Component Reliability Assurance -- pre-alarm, alarm and interlock system -- corrosion resistance techniques -- maintenance free or quick maintenance Others -- automatic alignment -- simple structure

12 TPS Integration (design phase) Goal: A) Set up lattice parameters and criteria for major components B) Resolving the spatial interface problems between subsystems C) Arranging budget and schedule D) Design Report (Ver.0) Site arrangements -- Location of Buildings -- Utility Equipments (utility building #3) -- Arrangements of the inner ring zone for power supplies and controllers -- Arrangements inside the TPS tunnel -- RF straights and Cryogenics support system Accelerators -- Lattice Design and Specifications for Major Components -- Drawings Preparation (Magnet, Girder, Vacuum, RF, FE) -- Alignment Fiducials and Methods -- Capacities of Utility and Cryogenics systems -- Resolving the interface between the front end and photon beam line -- Beam injection issues (injection straight with four kickers)

13 TPS 2D-Layout (1) SR circumference: 518.4m Booster in the SR tunnel Zone for power racks Utility tunnels Two power stations

14 TPS 2D-Layout (2) SRF cavities (storage ring) Layout for RF and Cryogenics Sections SR: four SRF cavities (2x2) two cryogenics stations Booster: two warm cavities Storage ring Booster RF cavities (Booster)

15 3D-Layout (SRF Sections) Trenches for Piping and cables Power rack (RF) Transmitter SRF cavity 2x2 Cryogenics platform

16 Water/Air Piping and Power Racks Temp. fluctuation Air: < 0.1 Water: < 0.01 & <0.1 Utility tunnel for experimental systems Storage ring tunnel Air ducts (green) AHUs inner ring zone for power supplies and controllers Cooling pipes Power racks of subsystems

17 TPS Installation Network (for Girder) Girder positioning error (right after installation): < 1mm

18 Magnet-Girder Assembly for one cell Automatic alignment Beam-based girder alignment Positioning error -- magnet to girder <15 m -- girder to girder < m Direction of 2nd girder installation To be designed: Polymer concrete Active vibration control

19 Vacuum System Low impedance structure Anti-chamber Localized pumping Low dust P< P<1nT(Y1, 400mA) NEG NEG Photon absorber NEG IP P(torr) distance(m)

20 TPS Front End (BM) FE: Simple structure Easy alignment PBPM 1 Alignment Fiducials PBPM 2 PAB HMS IP NEG Photon BPM: 5500 position resolution < 0.3 m angular resolution< 0.1 rad NEG IP

21 IV. Manpower, Budget and Schedule

22 Manpower (Groups) Beam Dynamics Magnet Vacuum Instrumentation & Control Power Supply Radio Frequency Utility Cryogenics Mechanical Positioning Radiation Safety Injector

23 Manpower (Task Forces) 1) Waste heat treatment 2) Vibration reduction 3) Electrical grounding 4) Cabling and piping 5) Control/data archive 6) Drafting 7) Space arrangement and installation 8) Application programs 9) Commissioning/operation technology 10) Project office

24 TPS Scheduled Proposed Y1 Y2 Y3 Y4 Y5 Y6 Y7 1.Acc. Design 2. Prototypes and Long Lead Procurements 3. Acc. Construction 4. Acc. Installation 5. Acc. Commissioning (open to users) 6. Civil Construction (accelerator buildings)

25 年度年度年度年度 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 I. CC-01 CC-02 CC-03 CC-04 車. 路. 綠 II. UT-01 冷離金離離離參數理車 UT-02 UT-03 力

26 TPS Budget Distribution Proposed $TWD(K) ~200MUSD for SR+ Injector+ FE+ Buildings (not included: ~60MUSD for ID+ Beam lines) Injection Beam Dynamics Magnet Power Supply RF Diagnostics Control Vacuum Mech. Positioning Front End Utility Cryogenics Safety Civil Travel Year

27 TPS Budget Distribution Proposed 11% 2.7% 2.7% 1.9% 4.4% 12% 9.2% 5.5% 0.73% 0.73% 11% 5.2% 5.5% 0.44% 25% 1.4% Injection Beam Dynamics Magnet Power Supply RF Diagnostics Control Vacuum Mech. Positioning Front End Utility Cryogenics Safety Civil Eng. Travel

28 More challenging integration works waiting ahead 1. Injection straight and injection issues 2. Thermo-mechanical issues 3. Vibration and settlement issues 4. EMI, electrical-, and grounding- noises 5. Monitoring and feedback systems 6. Data archive and application programs 7. ID issues 8. Integration works for installation 9. Integration works for commissioning and operation

30 PBPM 1 Alignment fiducial PBPM 2 PAB HMS IP NEG 5000 PBPM 1 IP Alignment Fiducials PBPM 2 PAB HMS IP NEG 5500 NEG IP

Commissioning of the ALICE SRF Systems at Daresbury Laboratory Alan Wheelhouse, ASTeC, STFC Daresbury Laboratory ESLS RF 1 st 2 nd October 2008

Commissioning of the ALICE SRF Systems at Daresbury Laboratory Alan Wheelhouse, ASTeC, STFC Daresbury Laboratory ESLS RF 1 st 2 nd October 2008 Overview ALICE (Accelerators and Lasers In Combined Experiments)