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Design Considerations of a Power Supply System for Fast Cycling Superconducting Accelerator Magnets of 2 Tesla B-Field Generated by a Conductor of 100 kA Current

By: Pfeffer, H.; Piekarz, H.; Hays, S.; Claypool, B.;

2008 / IEEE

Description

This item was taken from the IEEE Periodical ' Design Considerations of a Power Supply System for Fast Cycling Superconducting Accelerator Magnets of 2 Tesla B-Field Generated by a Conductor of 100 kA Current ' Recently proposed fast cycling accelerators for proton drivers (SF-SPS, CERN and SF-MR, SF-BOOSTER, FNAL) neutrino sources require development of new magnet technology. In support of this magnet development a power supply system will need to be developed that can support the high current and high rate of power swing required by the new accelerators. This paper will outline a design concept for a 2 kV/100 kA power supply system to drive the Super Ferric Main Ring (SF-MR), which is a 6.44 km ring with an inductance of 20 mH, and which has rise and fall times of one second. The design description will include the layout and plan for extending the present FNAL Main Injector (MI) style ramping power supply to the higher currents needed for this operation. This will also include the design for a harmonic filter and power factor corrector that will be needed to control the large power swings caused by the fast cycle time. A conceptual design for the current regulation system and control will also be outlined. The power circuit design will include the bridge, filter and transformer plan based on existing designs.