电流通过其在电机中产生主磁通的绕组称为励磁绕组。
The winding through which a current is passed to produce the primary source of flux in the machine is called the field winding.
提出采用主磁通与漏磁通相结合的方法检测在用油管剩余壁厚的方法。
A measuring method combining main magnetic flux and magnetic flux leakage for approaching the residual wall thickness of the oil well tubing in-service was presented.
该原理通过消去变压器回路方程中直接体现主磁通的非线性项，构造了仅含漏电感和绕组电阻的二端网络。
On basis of transformer loop equation, a novel principle of transformer protection using equivalent instantaneous leakage inductance is presented.
主电路采用推挽电路拓扑，驱动简单，变压器磁通可以双向复位；
Push-pull circuit topology is used for the main circuit, together with simple drive and dual-direction reset of transformer flux.
该系统主回路为高低高结构电流源型变频器，采用单片机为核心的数字控制器，其控制策略采用转子磁通定向直接矢量控制。
This system is a high low high CSI, of which controller is based on a single chip computer. The control strategy adopts vector control.
提出根据互感器主铁心谐波磁通直接测量电力系统谐波的方案。
A principle of measuring harmonics directly according to the harmonic magnetic flux in the main core of the current transformer is proposed.
补偿电流在辅助铁芯中产生磁通，使主铁芯达到零磁通，从而减小误差。
The compensation current results in flux in the auxiliary core, making the flux of the main core zero, and thus reduces the error.
补偿电流在辅助铁芯中产生磁通，使主铁芯达到零磁通，从而减小误差。
The compensation current results in flux in the auxiliary core, making the flux of the main core zero, and thus reduces the error.
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