In this paper, a new stator flux observation method was proposed.
提出一种新的定子磁链观测方法。
It is discussed the relation between space voltage vector and stator flux.
讨论了空间电压矢量与定子磁链之间的关系。
The function of voltage vectors on the stator flux and torque is investigated.
并且具体分析了电压矢量对转矩和磁链的作用。
A novel stator flux estimation method based on integration algorithms is proposed in this paper.
提出了一种基于新型积分算法的异步电机定子磁链估算方法。
This paper presents a stator flux estimation method based on the duty cycles of inverter switching.
提出了一种基于逆变器开关占空比的定子磁链估计方法。
In low speed, stator resistance directly affects the performance of stator flux oriented control system.
在低速时,定子电阻对定子磁场定向控制影响较大。
The stator flux-oriented vector control method can realize de-coupled control of active and reactive power.
运用定子磁链定向的双馈异步发电机矢量控制能够实现定子侧有功功率和无功功率的解耦控制。
The stator flux-oriented direct torque control is widely used in high performance motion control of induction motors.
定子磁场定向的直接转矩控制逐渐被广泛应用于高性能异步电机调速系统。
The stator flux is estimated by adaptive compensated voltage model, and the speed is estimated with PI adaptive method.
系统采用具有自适应补偿的电压模型估算定子磁链,PI自适应法估计转速。
Because the state equation's state variables are stator current and stator flux, the stator flux can be observer direct.
由于状态方程以定子电流和定子磁链为状态变量,定子磁链可直接观测得到。
Speed control of direct torque controlled(DTC)induction motor drives depends on effectively establishing the stator flux.
直接转矩控制的感应电动机的速度控制需要有效地建立定子磁 通。
This method is compared to the well-known direct field-oriented control (FOC) and stator flux vector control (SFVC) methods.
将该方法和著名的直接磁场定向控制(FOC)和定子磁通矢量控制(SFVC)进行比较。
It directly controls the electromagnetic torque and stator flux, using the analyzing method of space vector and stator flux orientation.
它采用空间矢量的分析方法,采用定子磁场定向,直接对电动机的电磁转矩和定子磁链进行控制。
In order to improve the observing precision of the stator flux observer of DTC systems, a new adaptive stator flux observer is proposed.
为了提高直接力矩控制系统中定子磁链的观测精度,提出了一种新的定子磁链自适应观测器。
In asynchronous machine there exist main kinds of flux linkage, that is: rotor flux-linkage, air-gap flux-linkage and stator flux-linkage.
异步电动机内部存在三种磁链,即转子磁链、气隙磁链和定子磁链。
These prove the validity and practicability of the method of speed adaptive estimation based on stator flux U-N model proposed by this paper.
仿真结果和试验结果表明辨识转速能够准确地跟踪实际转速,证明了基于定子磁链u - N模型的速度自适应辨识方法的有效性和实用性。
Then a voltage vector control scheme for induction motors based on constant stator flux is presented and it's nonlinear limitations are analyzed.
结合定子磁链控制,提出异步电机基于定子磁链幅值恒定的电压矢量控制方案,并对该方案的非线性局限进行了分析。
Based on the analysis of the mathematical model of induction motor, this paper addresses the problem of tracking control of stator flux and torque.
本文在综述感应电动机的控制方法和详细分析感应电动机数学模型的基础上,研究了定子磁链和转矩的跟踪控制问题。
A new torque control method was presented according to the characteristic that the amplitude of stator flux linkage and torque Angle are all controllable.
根据永磁同步电机定子磁链和转矩角均可控的特点提出了一种最优直接转矩控制方法。
It directly controls the electromagnetic torque and stator flux linkage. It has simple structure, directly control means and high stable and transient performance.
它直接对电机的定子磁链和转矩进行控制,其结构简单,控制手段直接,具有良好的动静态性能。
The stator flux-oriented vector controlling strategies of keeping stator frequency constant and capturing the maximum wind power are verified by experiment results.
实验结果验证了定子磁链定向的矢量控制策略既能保证定子输出频率恒定,又能较好地跟踪风力机的最大功率输出。
In a direct torque fuzzy control system of electric vehicle, when the voltage model is used as stator flux observer, the system's low speed performance becomes poor.
电动汽车直接转矩模糊控制系统中,定子磁链观测器采用电压模型时,系统低速性能变差。
In the MATLAB, using a structured design method, a dual PWM converter control system model were established on the basis of the stator flux field vector control technology.
该模型基于定子磁场定向的矢量控制方法,采用双pwm变流器,对大型并网风电机组的最大风能跟踪、有功和无功功率的解耦控制进行了仿真。
This thesis introduces the basic principle of direct torque control on asynchronous motor. Through mathematics model of asynchronous motor, stator flux and torque can be got.
本文首先介绍了异步电机直接转矩控制的基本原理,从异步电机的数学模型入手,逐步分析,从而得到磁链和转矩。
A novel stator flux estimator based on rotor position is presented, which is applied for direct torque controlled(DTC)surface mounted permanent magnet synchronous motor(PMSM)drives.
文中提出一种基于转子位置的面贴式永磁同步电动机的定子磁链估计方法。
The amplitude of stator flux and torque Angle in permanent magnet synchronous motor (PMSM) are controllable, the implementation method of direct torque control in PMSM is not unique.
永磁同步电机转矩中定子磁链幅值和转矩角均为可控变量,直接转矩控制的实现方法不唯一。
Finally, simulating experiment for the whole system is carried through with the stator flux-oriented vector strategy and control arithmetic of rotor speed perturb and power observation.
最后本文采用定子磁场定向的矢量控制策略,结合转速扰动功率观测的控制算法对转子侧进行了仿真验证。
To solve these problems, a modified method is presented, which subdivides the voltage vector sectors and switching signal selection table, and optimized stator flux compensating voltage.
针对上述问题,给出了一种通过细化电压矢量合成扇区和开关信号选择表,优化定子磁链补偿电压的改进方法。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
在直接转矩控制理论基础上,推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
在直接转矩控制理论基础上,推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
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