Progress Update on VUV Divertor Spectrometer Installation and Commissioning
The project status for the VUV divertor spectrometer installation and commissioning is progressing well. The main components include collecting mirrors, toroidal mirrors, and gratings. The design is nearing completion with adjustments being made to the sustaining structure, mirrors, and periscope. The pre-installation phase involves inspection of equipment upon arrival and alignment verification. The on-site activities include mechanical equipment installation, cabling, testing of vacuum systems, and alignment verification. Overall, the project is moving towards completion with a focus on ensuring proper installation and alignment for optimal performance.
- VUV Spectrometer
- Installation Progress
- Commissioning Update
- Spectrometer Components
- On-Site Activities
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Presentation Transcript
Installation and commissioning of VUV divertor spectrometer initial thoughts Valisa M for the team WPSA meeting 18-03-2021
VUV spectrometer: Project Status Design almost complete . Includes: - adjustable sustaining structure - remote upper mirrors adjustments - alignment periscope ( laser spot monitor) - front mirrors protecting shutter - Thermal and em analysis ongoing Mirrors and gratings procurements being finalized
VUV spectrometer: Main components Collecting mirrors: Toroidal mirrors Gratings. Custom toroidal holgraohic ( design by W Biel) resolution: 0.1 and 0.2 nm /respectively Spectrometer: modified Double SPRED 251 McPherson Detectors: 2D CCD 2048x512 (13 m pix.) / raw shift time < 5 s Bellows
ON-SITE ACTIVITY Pre-installation Phase Inspection of equipment upon arrival Can be done by Local EU Idea is to minimize work onsite Alignment verification? (tbd) Installation phase Mechanical equipment Forevacuum connection Based on agreed procedure Assist operation Cabling Vacuum pumps/gauges/valves intermediate FO routing Shoudl be done in advance intermediate Fiber Optics routing shoudl be done in advance Cabling Camera Post installation Test vacuum pump and gauges - Start vacuum Leak test Test interface with QST for opening valves Test alignment camera and laser Alignment test Test Cameras connection Requires opening of the main valves Test camera/connection with computer in Diagnostic hall (Cubicle) Noise level Test Interface with QST acquisition sequence till transfer to main pulse database Simulate offline shot acquisition procedure ?? Test spectral lines identifications tools in online computers Test remote connection generation of selected PPF? camera parameters setting up Read vacuum levels ??
Inspection of equipment upon arrival Mirrors-spectrometer alignment verification prior to installation? (tbd) Pre-installation Phase Can be done by Local EU members Idea is to minimize work onsite
Installation phase Mechanical equipment Forevacuum connection, Based on agreed procedure Assist operation only Assist operation only intermediate FO routing hould be done in advance Cabling Vacuum pumps/gauges/valves Assist operation only Cabling of Cameras, stepper motors, laser, shutter control. intermediate Fiber Optics routing shoudl be done in advance Based on agreed procedure Assist operation only Coarse mechanical alignment Assist operation only
Coarse alignment Use exapode for coarse manual adjustment against fiducial points ( on the port lid) 7
Post installation Test vacuum pump and gauges - Start vacuum Leak test Test interface with QST for opening valves Assist Assist Assist Participate Requires opening of the main valvesParticipate Fine Alignment tests Test Cameras connection Participate Test camera/connection with computer in Diagnostic hall (Cubicle) Noise level or stray light Participate Test Interface with QST acquisition sequence till transfer to main pulse database Test Software post discharge analysis (lines intensity vs time) Offline shot acquisition procedure Dummy pulses? Participate Generation of selected PPF? Camera parameters setting up Participate Test remote connection
