磁化电流,磁介质的磁化,可用磁化强度来表示,也可用磁化电流来表示。磁化电流与电介质极化时在电介质上产生的极化电荷相当。极化电荷产生附加电场,磁化电流产生附加磁场。 磁粉探伤时,常用直流电、交流电以及整流电对工件进行磁化,以便在工件表面处得到必要的磁化场。由于三种电流的时变特性不同,因此,工件磁化后的效果是不相同的。这些电流就叫做磁化电流。
额定周向磁化电流 maximum rated circumferential magnetizing current
最大周向磁化电流 maximum rated circumferential magnetizing current
磁化电流密度 magnetization current density
周向磁化电流 circumferential magnetizing current
空载磁化电流 no-load magnetizing current
初磁化电流 initial magnetizing current
磁化强度与磁化电流 magnetization and magnetization current
电流磁化法 Current magnetization method
电流磁化 electromagnetization
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借助磁通反馈环节控制磁化电流扫描速度,使得产生的感应电压接近常数。
With the help of the sweeping velocity of magnetizing current controlled by a flux feedback loop a nearly constant induced voltage is produced.
剩磁装置可包括线圈,其接收磁化电流以在铁心壳与衔铁之间产生不可逆剩磁力。
The residual magnetic devices can include a coil that receives a magnetization current to create a irreversible residual magnetic force between the core housing and the armature.
得出了双线磁化移相器比单线移相器有明显的优越性,其磁化电流是单线移相器的一半。
It is concluded that the twin wire magnetic phase shifter has a clear advantage over the one wire magnetic phase shifter and that the former's magnetic current is half of the latters.
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