Horizontal Test Stand Joe Ozelis Brian Chase Peter

Horizontal Test Stand Joe Ozelis, Brian Chase, Peter Prieto, Jim Patrick, Fermilab IIFC Quarterly Review Mumbai, January 4, 2016 Fermilab managed by Fermi Research Alliance, LLC for the U. S. Department of Energy Office of Science BARC, RRCAT and VECC managed by the Department of Atomic Energy, India IUAC managed by the University Grant Commission of India

Outline • • • Introduction to the Sub-Project Scope and Schedule Work Plan Status of Work Issues Summary J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 2

Introduction • The HTS-1 facility at Fermilab provides the experience base for developing HTS-2 § In operation at Fermilab for 8 years § Accommodates 1. 3 GHz cavities for testing with all ancillary components § Used to validate and improve understanding of the operation of superconducting cavities and associated hardware (coupler, tuners, He vessel, magnetic shielding) § Also used to understand the effect of the environment on the cavity operation • Cooldown rates & gradients, cryogenic pressure/microphonics, ambient magnetic fields, particle (field) emission & dark current J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 3

Introduction • New horizontal test facilities, called HTS-2, are being established at FNAL and RRCAT to meet the needs of the PIP-II SRF program. • Top-level Requirements: – – – Test dressed 650 MHz cavities (both beta types) Achieve 2 K cryogenic operating conditions Provide RF power and LLRF control & measurement Provide operation capability for tuner Provide diagnostics (thermal, mag field, radiation/dark current) – Sufficient margin to operate somewhat above design requirements J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 4

Scope and Schedule • Primary deliverables are § HTS-2 Cryostat and Feedcan • Designed jointly by RRCAT and Fermilab • RRCAT leads the procurement effort • Requirements captured in FRS: ED-0001735 § HPRF System • SS RF Amplifiers designed and supplied by RRCAT § LLRF System • Upgrade to existing FNAL system being jointly pursued by FNAL and BARC § RF Protection System • Upgrade to existing FNAL system being jointly pursued by BARC/FNAL § RF Instrumentation & Controls • Controls/Instrumentation SW based on existing Fermilab system is being jointly developed by BARC/FNAL J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 5

Scope and Schedule Two 40 k. Watt Units (RRCAT) FNAL RRCAT IIFC RF Protection (FNAL/BARC) J. Ozelis, Fermilab | Horizontal Test Stand LLRF (FNAL/BARC) Integration and Controls (FNAL/BARC) Jan 4 th 2016 6

Scope and Schedule • Milestones: J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 7

Examples of Facility Complexity - Cryostat Design J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 8

Examples of Facility Complexity - Cryostat Design J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 9

Examples of Facility Complexity - HTS-1 RF Control, Measurement, Instrumentation J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 10

Work Plan • Schedule/Milestones § Completion of fabrication of HTS Cryostats : 12/31/2016 § Integration of FNAL Cryostat w/all systems @ RRCAT : 7/31/2017 § 1 st cavity test at HTS-2 at FNAL – 3/31/2018 • HTS-2 facility is dependent upon various other sub-projects: § § Controls HPRF LLRF Interlocks • HTS-2 Facility integration/commissioning requires that these other sub-projects meet delivery milestones, e. g. : § Interlocks – 10/31/2016 § Controls – 12/31/2016 § HPRF – 6/30/2017 • Changes in these sub-projects’ milestones may impact the HTS-2 integration at RRCAT and FNAL J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 11

Work Plan • Fermilab is pursuing the following activities: § Consulting on/assisting with HTS-2 cryostat/feedcan procurement § Development and finalization of FRS for controls, RF, LLRF, etc. § Preparation of local site : • Conventional facilities • Cryogenic systems • Ancillary systems • Fermilab will contribute to: § Commissioning plans § Operational Readiness Clearance (ORC) reviews § Integration, commissioning, initial cavity tests J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 12

Work Plan • LLRF, RF protection, and controls software could be site dependent. • Indian work is being undertaken as a Fermilab/BARC collaboration with BARC in the lead. • Fermilab is developing Fermilab-specific controls hardware and software requirements for the Fermilab site. • Fermilab and BARC are developing common solutions that can be applied at the RRCAT HTS-2 and subsequently to the PIP-II Linac. J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 13

Plans @ FNAL • Development and completion of Functional Requirements Specifications for § § LLRF HPRF Controls, control interfaces (EPICS/ACNET) Instrumentation • Preparation of infrastructure for FY 17 delivery and FY 18 commissioning of HTS-2 cryostat § Conventional facilities • LCW & HVAC • Shielding blocks (roof), access gates, PSS systems • Racks, cable trays, control room § Prepare for integration of controls, interlocks, RF power and LLRF provided by DAE laboratories • Removal of equipment to provide adequate room J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 14

Plans @ FNAL – contd. • Preparation of infrastructure for Q 3 -CY 17 delivery and Q 4 -CY 17 commissioning of HTS-2 cryostat § Cryogenic systems • Install cryo and air/GHe/GN 2 distribution and 2 K pumping lines • Install control lines, cables, instrumentation § Ancillary systems (vacuum pumping, magnetic shielding, etc. ) • Cavity and coupler pumping stations • Insulating vacuum pumping station • Design and fabrication of internal magnetic shielding (not in original scope) J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 15

Status of Work: Cryostat • Design Reviews held 8/2013 & 11/2014 • Procurement Readiness Review 3/2015 • Fabrication Specification (SOW) for vendors completed end of July 2015 • After internal review FS is now out for vendor bid § Vendor selection imminent • Procurement timeline : § Purchase sub-committee and committee approvals needed, followed by § RRCAT Council and DAE approvals, then § PO placed § Fabrication completed, shipped to RRCAT early 2017 J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 16

Status of Work : FNAL Conventional Infrastructure • Test cave laid out § Electrical distribution & lighting in place § Prepared for floor and block painting § Roof design (preliminary) • Need structural analysis • Verify radiation protection requirements J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 17

Status of Work: RF Protection • Fermilab transferred the current State of the Art RF Protection Interlock (RFPI) System technology to BARC in early 2013. § A plan was worked out between Fermilab and BARC on how to upgrade the system to incorporate 2015 and beyond technologies. § Several visits of BARC and Fermilab colleagues have taken place. § The Final Prototype has been fabricated and tested in lab, joint in-system testing will be done shortly. J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 18

Status of Work: RF and Instrumentation Controls • Fermilab is working with BARC in developing a complete control interface for a single dressed cavity. The schematic of that architecture was presented in the RF Protection and LLRF talk. Software development is jointly in progress at Fermilab and BARC J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 19

Status of Work: Low Level RF • Fermilab and BARC had meetings on how to proceed with the joint development of LLRF. § Using a model similar to RF Protection system. § A plan to develop a new design was agreed upon in June 2015. § Fermilab has shared all the information about the current LLRF system with BARC. https: //fermipoint. fnal. gov/project/pip 2/LLRF/Shared%20 Documents/Forms /All. Items. aspx • Fermilab and BARC have just initiated twice-weekly meetings to refine design details for the PIP-II LLRF system. • The LLRF system for HTS-II will use the PIP-II hardware and firmware design. • J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 20

IIFC: RF/Controls/Interlocks Schedule • The schedule for RF Power, RF Protection, LLRF and their Controls interface have been worked out between Fermilab and BARC experts. § This is an R&D schedule and delay is possible. 2015 J. Ozelis, Fermilab | Horizontal Test Stand 2016 2017 Jan 4 th 2016 21

Issues/Challenges • Maintaining timely and effective communication § Time-zone differences and communication latency • No ready substitute for “hallway conversations” • Vendor oversight and management § Fabrication of cryostat by relatively inexperienced vendors § Active management and “local” presence to ensure QA compliance • Integration with other sub-systems § Defining requirements, specifications, and interfaces (FRS) in sufficient detail and in a timely manner • Lack of HTS operational experience at DAE laboratories § Consider visiting FNAL, participating in LCLS-II testing § Commissioning new test facilities and systems always takes longer than expected/planned. J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 22

Issues • The design and development of LLRF, RFPI systems and associated controls software being done at ACn. D, BARC. The work will be completed by Dec 2016. J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 23

Summary • DAE laboratories and Fermilab are collaborating on a horizontal test cryostat (including all ancillary systems such as HPRF, LLRF, controls, and interlocks). § FNAL is collaborating on the design, procurement, fabrication, integration & commissioning of the complete system. § The HTS-2 is a crucial element of both the US DOE PIP-II program and DAE SRF programs. • Development of LLRF, RF protection, and controls are being undertaken via a Fermilab-BARC collaboration with BARC in the lead. § Technical meetings twice a week (Tue (9 AM) and Fri (8: 30 AM)). • • This work should be complete at the end of 2016. The HTS-2 cryostat is scheduled for completion in 2 QFY 17. HTS-2 integration at RRCAT is scheduled for 4 QFY 17. FNAL is preparing its infrastructure in anticipation of performing the 1 st cavity test at HTS-2 at FNAL in 2 QFY 18. J. Ozelis, Fermilab | Horizontal Test Stand Jan 4 th 2016 24