| 摘要 |
PROBLEM TO BE SOLVED: To reduce noises by controlling the movement of a core in the outer peripheral direction in a ring core in the ring core in which a plurality of cores are joined with a joint surface. SOLUTION: A core-member control means controlling the movements of core members in the outer peripheral direction in the ring core resulting from an electromagnetic force on the core joint surface generated during the operation of a reactor device 7 is provided in the reactor device 7 having a ring-core structure in which a plurality of block-shaped core members are joined with the joint surface. COPYRIGHT: (C)2005,JPO&NCIPI
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