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Markus Zerlauth (CERN)27/09/2024, 08:30
The presentation will introduce the scope and program of this fourth IT String Day, which will focus on the lessons learned from the validation of the infrastructure, warm powering system and the cryogenic distribution line, as well as the preparation of the next important phase of the cold powering system installation. We will also review the main recommendations and the status of follow-ups...
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Marta Bajko (CERN)27/09/2024, 08:55
The presentation will provide an overview of the HL-LHC IT String baseline, reviewing aspects such as layout, schedule, budget, and potential resource conflicts specifically for the period overlapping with LS3. A brief description of the validation program and the safety strategy will be given, emphasizing their importance in ensuring a successful project. It will also offer a glimpse into the...
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Nicolas Heredia Garcia (CERN)27/09/2024, 09:20
This presentation provides a comprehensive overview of the Quality Assurance and Control processes implemented in the HL-LHC IT String. It describes the management of non-conformities related to the test stand, adhering to the policies established by the HL-LHC Project. It explains the tracking process of the validation tests conducted during installation and commissioning of the equipment....
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Davide Bozzini (CERN)27/09/2024, 09:40
This presentation will cover the methodology and organizational structure behind the technical coordination of the HL-LHC IT String facility. It will provide an in-depth update on the progress of on-site construction and commissioning activities. Key lessons learned from the IT String's construction and commissioning will be shared, focusing on technical challenges, schedule management, and...
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Aleksandra Onufrena (CERN)27/09/2024, 10:40
The presentation will address the following topics:
- Overview of cryogenic system commissioning without magnets
- Status of the cryogenic system
- Outcomes of commissioning and lessons learnt
- Upcoming activities for preparation of commissioning with magnets
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Willemjan Maan (CERN)27/09/2024, 11:05
The presentation will address the following topics:
- Vacuum leak tests and validation programs executed.
- Lessons learned during commissioning of SQXL and Cold Powering System.
- Installation and interconnecting leak test tooling preparations.
- Upcoming activities.
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Hugues Thiesen (CERN)27/09/2024, 11:30
The presentation will address the following topics:
- Lessons learned from installation and commissioning.
- Upcoming activities.
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Yann Leclercq (CERN)27/09/2024, 11:55
The presentation will address the following topics:
- Performance of the Prototype Cold Powering system
- Completed installation activities and lessons learnt
- Upcoming activities and interfaces
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Helene Mainaud Durand (CERN)27/09/2024, 14:10
The presentation will address the following topics:
- Status of the preparation activities.
- Plan for installation
- Preliminary tests
- Quality control checks
- Interventions and coactivities
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Sandrine Le Naour (CERN)27/09/2024, 14:35
The presentation gives a status of the cryo-magnets for the IT string and a brief sequence of the cryo-magnets installation and connection including the interlink (DCM). The results of critical steps of the magnet connection made on representative mock-up are detailed and the first intervention on the SQXL jumper for the magnet interface is also described. The specific tooling for the...
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Mateusz Jakub Bednarek (CERN)27/09/2024, 15:10
The presentation will address the following topics:
- Status of the collaboration, (procedures, equipment, software...)
- Feedback of the experience of ElQA in the individual magnets and ScLink
- Plan and procedures for the IT String activities
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Sebastien Blanchard (CERN)27/09/2024, 15:50
The HL-LHC IT String facility includes accelerator systems such as power converters, quench protection, cryogenics, insulation vacuum and alignment. The applications for the system controls and for the operation of the HL-LHC IT String facility compose a three-layer architecture. The front-end layer is composed of Programmable Logic Controllers (PLC) or Front-End Computers (FEC). The systems’...
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Samer Yammine (CERN)27/09/2024, 16:25
The powering tests for the Hardware Commissioning (HWC) of the HL-LHC IT String circuits constitute an important preparation phase for the HWC in the HL-LHC as the last part of the LS3. This talk gives an overview of the String Validation Program concentrating on the phases preparing and after the first cryogenic cool-down of the string of magnets. It shows the work done to prepare the...
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27/09/2024, 16:55
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Aleksandra Mnich (CERN)
The Accelerator Testing framework has been used successfully to facilitate the execution and analysis of thousands of tests during the hardware commissioning campaigns of LHC and during its operations to qualify the powering systems. The presentation covers the extensions of AccTesting and its ecosystem needed to support the commissioning of IT String facility. Describes the framework that is...
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Samer Yammine (CERN)
The Individual System Tests (IST) and the Short Circuit Tests (SCT) are important intermediary steps in the Hardware Commissioning (HWC) of the HL-LHC IT String. This talk gives an overview of the different IST and SCT planned for the warm powering system, the cryogenic system, the quench detection, and protection systems and the associated procedures. Moreover, the quality control steps and...
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Yann Leclercq (CERN)
The IT Cold Powering System is presented with its main components. The experience acquired during the assembly of the first Cold Powering System in 2023 is presented with respect to its added value for the upcoming STRING installation. After presentation of the proposed installation sequence, the workplan and the list of tasks until readiness for installation is shown.
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Dr Ezio Todesco (CERN)
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Sebastien Blanchard (CERN)
The Warm Powering equipment, which includes the Power Converters (PC), Energy Extraction systems (EE), Circuit Disconnector Boxes (CDB), and Powering Interlock Controllers (PIC), is nearing the final stages of installation. This process also involves the setup of control cables, AC power supply, and the technical Ethernet network. The goal is to prepare for the Individual System Tests and...
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