A number of electromagnetic vibration exciters of a large size have been produced for vibration testing in the aircraft and missile industries. 为了进行航空及导弹工业的振动试验，已经建造了若干大型电磁式激振器。
Fe-based nanocrystalline cores can replace permalloy, and can be applied to electronic or electromagnetic leakage protection switching transformers. 铁基纳米晶铁芯替代坡莫合金，应用于电子式或电磁式漏电保护开关互感器铁芯。
