LCLS Injector, Sector 21 and BC1 New Power Supplies Needed for First Injection P. Bellomo

1. LCLS Injector, Sector 21 and BC1 New Power Supplies Needed for First Injection P. Bellomo

2. List of Needed Magnet Power Supplies • Refer to the list in the binder • Intermediate Power Supplies • 6 dipole and quadrupole magnets require 8 power supplies • 13 on order, 1 contingency of each type • MCOR12 Power Modules • 72 corrector, quadrupole and trim magnets require 72 power supplies • 75 on order, 3 are contingency • MCOR30 Power Modules • 12 corrector, quadrupole and trim magnets require 12 power supplies • 20 on order, 8 contingency • MCOR Bulk Power Supplies • 3 needed, 3 ordered, 0 contingency

3. Intermediate Power Supplies

4. Performance Requirements

6. Interface

7. Power Supply - Front View • IE Power, Incorporated • 12 Falconer Drive, Unit 15 • Mississauga, Ontario • Canada L5N 3L9 • 905-813-8900 • iepower@iepower.com • 2.5 kW to 22.5 kW • 208 V / 480 V input • Series and parallelable • 27cm H*48cm W*61cm D • 8.74” * 19” * 24”

8. Power Supply - Rear View Totally covered connectors

9. Current Transductors

10. DC Current Transductors • GMW Associates955 Industrial RoadSan Carlos, CA 94070650-802-8292 • ian@gmw.com • +/- 150A or +/- 600A • Accuracy < 2ppm • Linearity < 1ppm • 0.3 ppm / C • Bandwidth 100kHz

12. Hazard Analysis

13. Status Summary • Systems • Controls established - EI diagrams made to 85% level • Power Supplies • All here by April 15 • Inspection and bench testing April 15 through April 30 • Transductors • All here and bench tested • Remaining tasks • Identify cables from the Ethernet switches and terminal servers to the power supply controllers

14. MCOR Powered SystemswithSpecial thanks to Fernando Rafael

15. Uses and Requirements

16. The MCOR System

17. The MCOR12

18. The MCOR30

19. MCOR Bulk PS Rating Determination

20. MCOR12 Module Interface

21. MCOR30 Module Interface

23. Status • Power Supplies – MCORs • 75 of 75 MCOR12s received and bench tested • 20 of 20 MCOR30s received and bench tested • 9 crates not yet received – due in April • 9 crate blowers are here • Most connectors are here • 3 bulk power supplies received and bench tested • Remaining Tasks • Identify MCOR to VME crate cable types, configurations and connectors

24. MCOR Ground Current Monitor

25. MCOR Ground Current Monitor • Purpose • MCOR system does not include ground current monitoring • Indicate when power supply current is straying outside magnet • Ramifications • Monitored MCOR current is not the magnet current • Loss of magnet current causes beam problems • Ground current fluctuates causing erratic magnet current • Requirements • Turn off bulk on excessive ground current • Display ground current on local display • Separate Injector/Sector 21 and BC1 systems • Reference Drawings • EI-380-201-31, Schematic Diagram and Chassis Layout

26. Ground Current Monitor Concept

27. Signal Conditioner and mPLC Dataforth DSCA31-06 IDEC Smart Relay

29. Ground Current Monitor Interface Requirements

30. Ground Current Monitor • Status and Remaining Tasks • Schematic diagrams completed, but needs redrawing • Job Shopper Designer on board • Chassis drawing completed but needs redrawing • Job Shopper Designer on board • Software for microPLC written, but needs revision • Parts ordered and received (except for chassis) • Fabrication not yet started • Identify all interconnecting cables and connectors

31. MCOR Bulk Power Supply Soft-Start(Courtesy of Fernando Rafael)

32. MCOR Soft-Start • Problem • SPEAR 3 experienced MCOR30 bridge MOSFET failures during bulk power supply turn on • It was determined that, with a fixed front panel controlled set-point, the bulk power supply output voltage was rising too quickly. The MCOR crate auxiliary power supply oscillated • Solution and Requirements • Soft-start circuit to slowly apply the bulk power supply set-point (and hence ramp the output voltage) after bulk power supply turn on.

33. MCOR Soft-Start

34. MCOR Soft-Start Status and Remaining Tasks • Drawings • Schematic diagram and chassis drawings completed • PCB layout is needed • Cables and connectors need specification • Parts • Electronic and chassis parts are here • Need to purchase PCB • Fabrication • Chassis and PCBs are not yet started • Testing • Not started

36. Power Supply Racks

38. Rack Requirements • References • Specification ESD 1.2-154, R0 • Seismic Document • Drawings (later from Optima) • Electrical Requirements • Keep personnel from inadvertent contact – shock and arc flash • Accept AC power and controls interfaces • Maintain ground continuity • Be reasonably EMI – proof • Mechanical Requirements • Carry weight of installed components – 1000 lbs per bay • Seismic capable • Neatly contain equipment • Ventilated so that equipment does not overheat

39. Seismic Requirements • Reference: I-720-0A24E-002, Specification for Seismic Design of Buildings, Structures, Equipment and Systems at SLAC, December 4, 2000 • Item 6, Page 9 – Rack is defined as Programmatic Equipment • H & V Floor Response Spectra Page 6, Fig 3 and Page 7, Fig 4 for Mechanical Systems • Table 12 – Performance Level 6.5 to 8.5 – Adequate restraint and anchorage. Only minor damage incurred • Optima is required to submit rack structural drawings and seismic analysis prior to release for fabrication

42. Racks • Status and Remaining Tasks • Purchase order placed with Optima in February • Rack design is acceptable - First Article released for fabrication • Awaiting Optima seismic analysis • Awaiting “First Article” delivery • Delivery goal May 30, 2006 • Assemble all systems into racks • Test systems in racks prior to field installation

43. DC Power Cables

46. This is the Last Slide • Test, Installation and Commissioning Plan • Receive and bench test equipment – procedures exist • Install in purchased racks in Building 24 • Test as complete systems in B24 – need updated procedure • Forklift entire rack assemblies from B24 to Sector 20 • Install in Sector 20 • Field test power systems – need updated procedure