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Design of a 400 MW power supply for a 60 T pulsed magnet

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4 Author(s)
Schillig, J.B. ; Nat. High Magnetic Field Lab., Los Alamos Nat. Lab., NM, USA ; Boenig, H.J. ; Rogers, J.D. ; Sims, J.R.

The National High Magnetic Field Laboratory at Los Alamos designs a magnet that produces magnetic fields of up to 60 T for as long as 100 ms. The power and energy to operate the magnet is provided by a 1430 MVA, 24 kV energy storage generator. Three modular design power supplies convert the AC-power produced by the generator into controlled DC-power needed by the three coil groups of the eight coil magnet. The modules are rated at 4 kV no-load voltage and 20 kA full-load current for up to 2 seconds once every hour, each including a 12-pulse, line-commutated rectifier designed to operate in the 66 Hz to 42 Hz pulse operation range of the generator. A short description of the overall 60 T/100 ms magnet system is given, followed by a detailed description of the the power converter system design

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Magnetics, IEEE Transactions on  (Volume:30 ,  Issue: 4 )