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Accelerator Magnets Ready for Beam | ESS
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</div> <main class="site-content" role="main"> <a id="main-content" tabindex="-1"></a> <div id="block-content"> <div class="article"> <div class="article__main"> <div class="row"> <header class="article__main-header col-12 col-md-8 col-xl-9"> <h1 class="article__title">Accelerator Magnets Ready for Beam</h1> <div class="article__created-date"> <time datetime="2024-11-20T11:31:38+01:00" class="date date--primary"><time datetime="2024-11-20T11:31:38+01:00" title="Wednesday, November 20, 2024 - 11:31">November 20, 2024</time> </time> </div> </header> </div> <div class="row"> <div class="article__main-content col-12 col-md-8 col-xl-9"> <div class="article__image"> <div class="media media-image media-image--article-lead"> <div class="media__content"> <picture> <source srcset="/sites/default/files/styles/article_image/public/images/media/2024-11/Magnet%20groupie.jpeg?itok=A6ewEYRn 1x" media="(min-width: 576px)" type="image/jpeg" width="1840" height="1104"/> <img class="image" loading="eager" class="image" src="/sites/default/files/styles/article_image/public/images/media/2024-11/Magnet%20groupie.jpeg?itok=A6ewEYRn" width="1840" height="1104" alt="Magnet group A2T" /> </picture> </div> <footer class="media__footer"> <div class="caption"> The accelerator teams and people behind the achievement, gathered by the dipole and quadrupole magnets in the A2T section. <span class="credit">Image: Ulrika Hammarlund/ESS </span> </div> </footer> </div> </div> <div class="article__sections"> <section class="layout-section layout-section--primary layout-section--one-columns"> <div class="layout-section__row"> <section class="section section--text"> <h2>ESS has completed the integrated testing of all accelerator magnets. This achievement, following extensive preparation, marked the end of local and integrated testing phases of all magnets and power supplies聽required for commissioning the accelerator in early 2025 as well as for the Beam on Target (BoT) milestone.</h2> <div data-entity-type="media" data-entity-uuid="6093dc65-f407-402b-b0e2-8a300b14a7b7" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-11/Magnet%20power%20converters%20team.jpeg?itok=zDLHbx3a" width="5496" height="3522" alt="Power converters team" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>The accelerator teams and people behind the achievement, gathered by the Power Converter racks in the Klystron Gallery building.</p> </div> <div class="credit"><p>Image: Ulrika Hammarlund/ESS</p> </div> </footer></div> </div> <hr /><h4>A聽Long and聽Complex Testing Journey</h4><p>In early November 2024, the integrated testing phase concluded with all 213 magnets and 223 power supplies undergoing continuous 24-hour testing. These efforts involved power converters, controls, machine protection systems, cooling systems, and electrical interfaces.聽</p><p>The ESS magnets and their power converters聽is a significant In-Kind delivery from Elettra Sincrotrone in Trieste, Italy. Following Factory Acceptance Tests (FAT) by the supplier, the power converters underwent rigorous testing at the on-site Test Stand 3 and subsequently in their final positions using resistive loads during the Local Testing phase. During the following Integrated Testing phase, power converters were connected to the magnets for a series of power, thermal, interlock, and reliability tests.</p><p>The successful completion of both testing phases demonstrated the robustness and reliability of the entire system.</p><h4>Advanced Magnet Systems at ESS</h4><p>In a particle accelerator, magnetic fields are essential for focusing, steering, and bending particle beams. At ESS, four types of water-cooled quadrupole magnets focus the proton beam, while three types of air-cooled corrector magnets steer it. The magnets are strategically placed along the linac, including the Superconducting Linac (SCL), the High Energy Beam Transport (HEBT) line, the dumpline, and the Accelerator-To-Target (A2T) sections.</p> <div data-entity-type="media" data-entity-uuid="372f6618-4a47-4879-bb7e-532e9ba01ae6" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-11/Types%20of%20magnets.png?itok=cW1Zlh3B" width="1925" height="1111" alt="ESS magnets" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>Different types of ESS magnets.</p> </div> </footer></div> </div> <p>Each configuration includes two quadrupole magnets and one dual-plane corrector magnet, enabling precise beam transverse focusing and trajectory correction. Additionally, two vertical dipole magnets bring the beam from the accelerator tunnel level to the target level.</p> <div data-entity-type="media" data-entity-uuid="1a3df635-7da2-4f1e-8711-8ed12de433ac" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-11/G01%20dumpline%20A2T%20bending%20dipole.jpeg?itok=nLq6qlwo" width="5441" height="4024" alt="Dipole magnet" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>The bending dipole magnet that decides if the beam is directed to the dump or towards the target.</p> </div> </footer></div> </div> <hr /><h4>Cutting-Edge Power Systems</h4><p>The magnets are powered by 39 racks of聽dedicated power converters located in the Klystron Gallery. These systems can deliver currents of up to 400 A per magnet, generating the required magnetic fields. To streamline operations, a high level of standardisation was achieved, including the use of a uniform conductor cross-section and current density across systems.</p><p>While quadrupole and dipole magnets use commercial off-the-shelf power converters, the corrector magnets required custom solutions developed in collaboration with聽In-Kind Partner Elettra Sincrotrone Trieste.</p><h4>Collaborative Efforts and International Contributions</h4><p>This achievement reflects the collective efforts of ESS鈥檚 Linac, Power Converters, Vacuum, Integrated Control Systems (ICS), and Machine Protection System (MPS) teams, alongside聽the invaluable聽contributions from Italian in-kind partner聽Elettra Sincrotrone Trieste.</p><h4>Paving the Way for Beam Operations</h4><p>The successful testing of these complex systems lays a solid foundation for upcoming milestones, including Beam on Dump (BoD) and Beam on Target (BoT). Accelerator Project Manager Ciprian Plostinar commended the achievement, stating:</p><p><em>"Seeing this complex system fully tested and ready for beam gives me confidence that we鈥檙e delivering excellence on multiple fronts鈥攖echnical, collaborative, and project management. Congratulations to everyone who contributed to this achievement. Your hard work brings us one step closer to BoD and BoT."</em></p><p>This milestone not only highlights the technical sophistication of the ESS accelerator but also celebrates the commitment and collaboration of the teams and partners driving the project forward.</p> <div data-entity-type="media" data-entity-uuid="9756697b-ec9a-4436-b12e-0e260d8fca3f" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-11/G01%20SCL%20magnets-2.jpeg?itok=p4NWlmGy" width="4766" height="3809" alt="SCL magnets" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>Magnets along the ESS superconducting linac.</p> </div> </footer></div> </div> <div data-entity-type="media" data-entity-uuid="24f66266-52e2-4e84-a7c3-6202be503ab3" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-11/IR_magnets.jpg?itok=vpXlQ4zO" width="1280" height="954" alt="Thermal magnets" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>Thermal measurements of LWUs in the HEBT area.</p> </div> </footer></div> </div> </section> <section class="section section--text"> <hr /><p><em>This spotlight article is part of the series聽<strong>"Road to Beam on Dump"</strong>聽where we highlight all the systems required to commission the ESS accelerator.</em></p><p><em>Previous updates:</em></p><ul><li><a href="/article/2024/11/04/warm-coupler-conditioning-completed-ess-accelerator-prepares-cold-operation" data-entity-type="node" data-entity-uuid="405acdb0-1b32-481f-b10b-aa01fc0439aa" data-entity-substitution="canonical">Warm Coupler Conditioning Completed - ESS Accelerator Prepares for Cold Operation</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=542191075" rel="noopener" target="_blank">ESS Linac Under Vacuum</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=542185064" rel="noopener" target="_blank">The Power to Accelerate: RF Power Stations up and running</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=541098339" rel="noopener" target="_blank">Installation and Testing of the 2 MW RF Scope Completed</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=524659989" rel="noopener" target="_blank">Focus on Beam Instrumentation: Completion of Beam Current Monitors Installation in the ESS Accelerator</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=523829970" rel="noopener" target="_blank">First Insertable Beam Stop installed in the ESS superconducting linac</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=516021504" rel="noopener" target="_blank">Magnets Ready to Focus and Steer the Proton Beam</a></li><li><a href="https://confluence.ess.eu/pages/viewpage.action?pageId=516008011" rel="noopener" target="_blank">Warm Coupler Conditioning starts in the ESS Superconducting Linac</a></li></ul> </section> </div> </section> </div> </div> <aside class="article__sidebar col-4 col-xl-3"> <div class="read-next-block"><div class="read-next-block__inner"> <h4 class="read-next-block__title">Top stories</h4> <div><div class="js-view-dom-id-189bc663dee378de1890668c88fb0039b6f49927c811a676bc1123860bf417b9"> <div class="active views-row"><div class="views-field views-field-field-media-single"><div class="field-content"> <img class="image" src="/sites/default/files/styles/thumbnail/public/images/media/2024-11/Magnet%20groupie.jpeg?itok=hmh7wJ5G" width="90" height="90" alt="Magnet group A2T" loading="lazy" /> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/article/2024/11/20/accelerator-magnets-ready-beam" hreflang="en">Accelerator Magnets Ready for Beam</a></span></div><div class="views-field views-field-view-node"><span class="field-content"><a href="/article/2024/11/20/accelerator-magnets-ready-beam" hreflang="en">view</a></span></div></div> <div class="views-row"><div class="views-field views-field-field-media-single"><div class="field-content"> <img class="image" src="/sites/default/files/styles/thumbnail/public/images/media/2024-11/DSC_8559.jpeg?itok=oriqP3bY" width="90" height="90" alt="Detector Lab Utg氓rd" loading="lazy" /> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/article/2024/11/12/cutting-edge-detector-technology-ess-detector-lab" hreflang="en">Cutting-Edge Detector Technology at ESS Detector Lab</a></span></div><div class="views-field views-field-view-node"><span class="field-content"><a href="/article/2024/11/12/cutting-edge-detector-technology-ess-detector-lab" hreflang="en">view</a></span></div></div> <div class="views-row"><div class="views-field views-field-field-media-single"><div class="field-content"> <img class="image" src="/sites/default/files/styles/thumbnail/public/images/media/2024-11/WCC%20completion.png?itok=8NAO7tNY" width="90" height="90" alt="WCC team" loading="lazy" /> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/article/2024/11/04/warm-coupler-conditioning-completed-ess-accelerator-prepares-cold-operation" hreflang="en">Warm Coupler Conditioning Completed - 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