EE Support TEV Abort Inputs

1
EE Support TEV Abort Inputs

• HOPS (QFA4, QFE1, QFF3, QDD1, QDE2, QDF4, SF,
  SD, SQ)
• Abort Power Supply OFF
• DIPOLE CORRECTORS (275 PSs located around ring)
• Abort Power Supply OFF
• C0 SHUNT (TC0SH)
• Abort /- 0.5 amp or greater regulation
  error
• 100 amps maximum
• 11 amps/sec max. slew rate

2
EE Support TEV Abort Inputs (Cont.)

• LOW BETA QUADS
• 1 kamp PSs (AQ7, AQ9, AQ0, BQ7, BQ9, BQ0, CQ9,
  CQ0, DQ7, DQ9, DQ0)
• Abort Power Supply OFF
• High Current PSs (B0Q1, B0Q2-4, B0Q3, B0Q5,
  B0Q6, D0Q1, D0Q2-4, D0Q3, D0Q5, D0Q6)
• Abort /- 15 amps or greater regulation
  error and/or, PS OFF
• F17 Kicker
• Abort Tripped/OFF

3
EE Support TEV Abort Inputs (Cont.)

• TECAR (1, VME-based uP in A2)
• TEV Ramp generation and PS Voltage profiles
• QPM Communications
• See System logic diagram for ABORT detailed
  actions
• Abort Summary
• QPM link failures
• Overcurrent
• PS Loop

4
EE Support TEV Abort Inputs (Cont.)

• QPMs (24, Power PC uPs, one in every 1-4
  building)
• TEV Magnet Quench Protection Monitors See
  System logic diagram for detailed abort actions 
• Abort Summary
• TEV Main PSs
• QUENCHes
• LEAD Failures
• Quench Protection System Faults
• (Dumps, HFUs, QBSs, UPSs)
• Timing
• 3 ms filtering in VFCs
• 60 Hz sampling of UP/DWN counters
• 3, line cycle averaging
• 0.5 volt detection level

5
QPM/TECAR System Logic Diagram
6
TEV Ring Schematic
7
TEV PS/Dump Schematic
8
TEV Quench Protection Cell - typical
9
TEV Quench Protection Voltage Meas.
Magnet ½ Cell
10
QPM Quench Growth Rates(Cell Voltage Plots)