Comparative Studies of Three-Dimensional Analysis and Measurement for Establishing Pulse Electromagnet Design

Autor:	T. Takayanagi, T. Ueno, Ayato Ono, Michikazu Kinsho, Kazami Yamamoto, Koki Horino
Rok vydání:	2020
Předmět:	Materials science Electromagnet Acoustics Condensed Matter Physics Magnetostatics Electronic Optical and Magnetic Materials law.invention Magnetic field Search coil law Magnet Eddy current Waveform Electrical and Electronic Engineering Voltage
Zdroj:	IEEE Transactions on Applied Superconductivity. 30:1-5
ISSN:	2378-7074 1051-8223
Popis:	A new horizontal shift bump electromagnet for the J-PARC 3-GeV RCS injection bump system was designed and fabricated. The bump magnet is a pulse magnet that repeatedly excites a trapezoidal waveform of about 1.5 ms duration at 25 Hz. And it is possible to change of the rising and falling time of the pulse waveform with the maximum current of 16 kA and the voltage of 12 kV between 150 and 500 microseconds according to the optimum beam generation condition. In order to design such magnets of such specifications, three-dimensional dynamic magnetic field analysis capable of evaluating eddy currents is required. Using one electromagnet model, comparison of static magnetic field analysis with dynamic magnetic field analysis, and two-dimensional calculations with three-dimensional ones were studied. In addition, we also confirmed the difference between the analysis and measurements as well as the difference of the magnetic field measurement method between the search coil and the Hall probe. We could then have established a pulse electromagnet design method.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4f36d247cd70599fd80ed556f83e5f5a https://doi.org/10.1109/tasc.2020.2981271 Zobrazit plný text záznamu