1. ATF2 Magnet Power Supplies
Briant Lam, SLAC
22 May 2007

2. Responsibilities Power supply system Responsibility Controllers SLAC
Bulk Power Supplies
Power Supplies (Power Modules)
Cooling Fans
Racks
Intrarack cables
Controller Software
System Software
KEK
Performance Test
Cables
Input AC cables
DC cables to magnets
DC cable raceway system
Ethernet Cables to Controllers
Magnet Interlock Cables to Controllers
Installation
Wiring and Layout Diagrams
Training
Cable Termination
Testing System

3. System Software EPICS drivers: Glen White
Similar to LCLS and SPEAR
ATF2 has additional commands and readbacks:
Disable Individual Modules
Reaback Individual Module Current
Display Individual Module Fault
GUI is still to be determined

4. First Commissioning Phase
Items needed from KEK
AC Power Cables
400 Vac 100 A (6 total)
100 Vac 20A (9 total)
DC Power Cables
2 AWG or 40 mm2 for 50 A Power Supplies
4/0 or 140 mm2 for other Power Supplies
Control Cables
Ethernet Cables and Switch
Interlock Cable
Water Flow and Thermal Switch

5. First Commissioning Phase
Planned Delivery
Deliver the Power System Feb-Mar 2008
Commissioning Team
Briant Lam + 1 SLAC Technician/Engineer
Initial Tests at KEK
Turn On Power Supplies with Local Laptop or Local Control Board.
Tune each Power Supply to Magnet Load

6. Power Supply Progress Racks: 28 May 2007
PLC: Received, fabricating chassis
Bulk Power Supplies: Received, test this week
EPSC: Mid-June 2007
HA Power Supplies:
Prototype: Mid-August 2007
1st Batch: Mid-October 2007
2nd Batch: Mid-November 2007