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Dipole for Fast Ramping Synchrotron Test Magnet

This article provides details on the geometry, dimensions, weight, magnetic field quality, power supply, circuit components, charger, and missing components of a half-size model of a Dipole Magnet for Fast Ramping Synchrotron. It also discusses the control system and diagnostics.

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Dipole for Fast Ramping Synchrotron Test Magnet

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  1. Dipole for Fast Ramping SynchrotronTest Magnet

  2. Geometry • Half size model • Dimensions • width 250 mm • height 230 mm • depth 50 mm • Weight: about 20 kg • Gap: 5 mm x 50 mm • Good field region: about 32 mm

  3. Magnetization 1.3T 1.1T 2T

  4. Field Quality ΔB/B

  5. Field Quality Gap

  6. Power Supply • Total current: 4080A for half magnet • current density for 2T: 8 A/mm2 • Magnetic energy: 25J • PS (f=1kHz): • 100 turns: I=80A, L=7.8 mH, Upeak=4kV • 50 turns: I=160A, L=2 mH, Upeak=2kV • Capacitor (f=1kHz): • 100 turns: 3 uF • 50 turns: 12.6 uF

  7. Circuit

  8. Components • Capacitor: GA • DE: 2 uF, 5kV, 25 kA • 58 x 150 x 77 (mm), 1kg • DM: 330DM525 • 25 uF, 3kV, 1.2 kA • 2.86 x 4.56 x 4.00 (in) • Switch: thyristor • Eupec TZ240N • 3.6kV, IDC=240A+ • Isurge=6kA • Cost: $250 • control electronics?

  9. Charger • Dimensions • 330x166x141 (mm) • Charge rate: 500 J/s • Does not tolerate voltage reversal • switches to detach charger? • permanent charging via resistor?

  10. Missing components • Firing circuit • Dynex • Diode • Resistors (dumping energy) • Switches • Ross relay? • Control system • Diagnostics

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