其中，磁通能否准确观测是解耦的关键，但转子磁通是不可能准确观测的。
Unfortunately, the rotor flux which is important in the method can not be observed precisely until now.
通过用二个延迟回路的转子磁通推算器代替积分器，实验结果表明具有良好的响应特性。
This paper investigates the rotor flux estimator which replace integrators with two lag circuits. The experimental results indicate good speed responses.
为了保持转子磁通恒定，采用了混合式磁通模型，它可以保证全速范围内磁通观测的准确性。
The system USES hybrid flux model to make the rotor flux constant during full speed range.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
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.
本文在交流电机双轴理论的基础上，以异步电动机转子磁通和定子电流为状态的状态方程为模型，推导出一种新型异步电动机磁通观测器。
Based on the two-axis theory of the induction motor and a state equation about the rotor fluxes and stator currents, a new induction motor flux observer is derived.
本文提出简单的模型方法并配合适当的參數鉴别，建立符合单相无刷直流风扇马达特性的數学模型，其非线性的转子磁通量分布特色是利用建表的方式來代表。
A simple modeling method with feasible parameter identification is proposed to meet characteristics of single-phase BLDC fan motor. The nonlinear rotor flux distribution is modeled by a look-up table.
铁芯用于使放置在转子和定子中的线圈（由导体构成）之间的耦合最大，以增加电机的磁通密度以及减小电机尺寸。
The iron core is used to maximize the coupling between the coils (formed by conductors) placed on the stator and rotor, to increase the flux density in the machine and to decrease the size of machine.
励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。
In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor.
励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。
In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor.
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