Magnet Design and Analysis of a 40 Tesla Long Pulse System Energized by a Battery Bank |
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| Authors: | Y L Lv T Peng G B Wang T H Ding X T Han Y Pan L Li |
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| Affiliation: | 1. Wuhan National High Magnetic Field Center, Wuhan, 430074, China
2. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Wuhan, 430074, China
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| Abstract: | A 40 tesla long pulse magnet and a battery bank as the power supply have been designed. This is now under construction at the Wuhan National High Magnetic Field Center. The 22 mm bore magnet will generate smooth pulses with duration 1 s and rise time 0.5 s. The battery bank consists of 945 12V/200 Ah lead-acid battery cells. The magnet and battery bank were optimized by codes developed in-house and by ANSYS. The coil was made from soft copper with internal reinforcement by fiber-epoxy composite; it is divided into two sections connected in series. The inner section consists of helix coils with each layer reinforced by Zylon composite. The outer section will be wound from copper sheet and externally reinforced by carbon fiber composite. |
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