转子

From the basic principles of the AC machine,using the equivalent analysis method, a series of the equations、vector diagram、equivalent circuits of BDFM were obtained, which is the foundation of the analysis and control of the BDFM wind power generation system. The variable structure control was first used to the active and reactive power decoupling control of the BDFM.

无刷双馈电机的功率绕组、控制绕组、转子绕组的极对数不同，电流的实际频率也各不相同，论文从交流电机的基本理论出发，采用等效的方法，得到了无刷双馈电机的基本方程式、向量图和等效电路。

The simulation and experiment results show that the rotor flux field-oriented vector control method was practically verified and the control system has better stable and dynamic performance.

实验结果表明转子磁场定向矢量控制策略是可行的，控制系统具有良好的动态性能和稳态精度。

According to the flux acceleration principle, the influence of rotor parameters on the performance of vector control system with rotor flux orientation is analyzed.

根据磁场加速法原理，在理论上定性分析了电机转子参数对矢量控制系统性能的影响。

Based on the analysis of control strategy of the system, this paper used respectively voltage oriented and stator flux oriented vector control in grid side and rotor side of the converter.

在分析了该系统控制方法的基础上，建立了交直交变频器网侧电压定向以及转子侧定子磁场定向的矢量控制系统模型。

According to the principle of vector control used in an asynchronous motor, a simulation model of the asynchronous motor in electric vehicle and vector control system in rotor flux orientation was established with the help of Matlab/Simulink software.

根据异步电机矢量控制原理，建立了电动汽车用异步电机的仿真模型和转子磁场定向下的矢量控制系统模型，并在Matlab/Simulink软件环境下对其进行建模。

The influence to rotor flux oriented vector control of long stator synchronous motor and performance of high-speed maglev train brought by this error is discussed.

讨论了这一误差对于长定子直线同步电机的转子磁场定向矢量控制的影响以及对于高速磁悬浮列车运行性能的影响。

The internal model control method is introduced based on the dynamic model of asynchronous motor in d-q reference frame. And the design of stator current controller is proposed in detail based on rotor flux oriented vector control.

在同步速d-q坐标系下异步感应电机动态模型和解耦控制原理的基础上引入了内模控制方法，详细设计了基于转子磁链定向和内模控制的定子电流调节器。

Induction motors ; speed sensorless ; vector control ; rotor flux estimator ; voltage model

感应电机；无速度传感器；矢量控制；转子磁链观测器；电压模型

This paper first expounds the principle of the bearingless induction motor, gives the mathematical model of bearingless induction motor and analyzes the rotor flux orientation vector control system of the bearingless induction motor.

本文阐述了无轴承异步电机的基本工作原理，并建立了无轴承异步电机的数学模型，分析了无轴承异步电机的转子磁场定向矢量控制系统。

Under the environment of Matlab/Simulink, rotor - flux - oriented vector control simulation model of PMSM based on consideration of iron loss was set up.

在Matlab/Simulink环境下，构建了考虑铁耗时永磁同步电机转子磁场定向矢量控制的仿真模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。