noun, noun or participle which takes 'suru'
Technical term in electromagnetism for applying current to a coil or field winding to produce a magnetic field. Used as a noun or with する.
発電機の界磁巻線を励磁する。
Excite the field winding of the generator.
励磁電流が大きすぎる
If the excitation current is too large, the coil overheats.