该控制律无需对转子电流进行观测,减少了计算量。
Computation is eased by the law as the rotor current observer is needless under this way.
该系统使用了一种新的电流控制器,以改善电机转子电流波形。
A novel current regulator was used in the control system to improve the rotor current waveform.
为此我们确定双馈电机调速时的矢量控制策略即转子电流定向的矢量控制。
The paper gives the vector control speed system of the double-fed machine on the rotor current orientation.
在此基础上,本文提出了一种基于转子电流定向的双馈电机矢量控制的新型调速方案。
On the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given.
研究结果表明:双馈感应发电机的定、转子电流以及电磁转矩取决于发电机内部的定、转子磁场。
Research results show that the stator and rotor currents and air-gap torque are subjected to the stator and rotor flux fields in the generator.
介绍了带有转子电流控制器(RCC)的变桨距调节异步风力发电机系统的基本原理及其控制策略。
Fundamental principles and control strategies of pitch-controlled wind induction generator system with rotor current controller (RCC) were presented.
控制系统可以单独控制电机的转速和无功功率,使其工作在超同步、亚同步、转子电流量最小和全补偿工作方式下。
The machine can be operated in sub-synchronous, super-synchronous speeds, minimum rotor current and full compensation when adjusting the speed and reactive power independently.
实验结果表明,该新型转子电流混合控制结构可以满足变速恒频风力发电机系统的运行要求,同时实现了发电机的输出功率因数可控。
Experimental results show that the novel rotor current hybrid control system can satisfy the requirement of VSCF wind generator system, and the power factor control of generated power is available.
它的键盘与电流驱动的转子相连,在每次击键时,转子会多次转换。
A keyboard was linked to rotors, powered by an electric current, which transposed every keystroke several times.
它还包括霍尔元件输入、整流控制定序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。
It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.
涡电流隔离器自从20世纪90年代早期就开始得到使用,它是由长瓶状转鼓内的一个快速旋转磁力转子组成的,转鼓的旋转速度会较慢。
Eddy-current separators, in use since the early 1990s, consist of a rapidly revolving magnetic rotor inside a long, cylindrical drum that rotates at a slower speed.
可调模型包含电机转速的信息和一个电流模型转子磁链观测器。
The adjustable model contains the information of rotor speed and a current model rotor flux observer.
其参数是通过在系统扰动过程中的发电机电压、电流和转子角等数据而得到的。
The parameters are calculated from the data of small perturbations of the generator voltage, current and rotor angle during system disturbances.
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.
利用定子与转子间气隙旋转磁场与转子绕组中感应电流相互作用的一种交流发电机。
Using stator and in intertrochanteric air gap rotary field and rotor winding induced current interaction one kind of alternator.
介绍力矩式自整角机转子交轴阻尼短路环损耗和电流的一种测试方法。
A test method of torque synchro rotor quadrature axle damping short-loop loss and current was introduced.
由于环境恶劣及电流过载,造成了电机内部起火烧损了定子线圈和转子过热变形及轴承损坏等情况造成电机无法使用。
The firing inside the motor that caused by bad environment and current overload made the stator coils overburned, overheated rotor deformed and bearing damaged, which led to the motor out of service.
电流模型是转子磁链定向控制的关键,这里对其进行了离散化分析。
Current model is the key part in the rotor flux linkage oriented control system, and its discretization analysis is conducted.
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.
通过实验研究了该阻尼器通以不同电流时对转子系统瞬态和稳态振动的抑振效果。
The vibration characteristics of a rotor system with passive electromagnetic damper under different current are studied experimentally.
根据矢量控制理论和自动控制原理,建立了转子磁链定向的双馈异步电动机电流模型矢量控制系统。
Based on the theory of vector control and automatic control system, the vector control system of current model for doubly-fed asynchronous machine with field-oriented rotor was established.
系统采用电流、速度双闭环控制,电流、速度的调节采用PI调节,转子磁极位置通过霍尔元件检测。
The double close loops of speed and current control is introduced in the system and the PI control is implemented in the current and speed loop, the position of rotor pole is detected by hall element.
无刷直流永磁电机的电源虽是直流电,但其内部绕组中的电流仍是交流电,其旋转部分犹如同步电机的磁极转子,其结构及电磁原理与同步电机相似。
With the power being DC, the current of inner winding of the magneto is AC, and the rotating part is just similar to the magnetic rotor of synchronous dynamo.
通过实验给出了绕组电流波形和转子位移波形。
The waveforms of the winding currents and rotor displacements are acquired by experiments.
介绍了凸极无刷直流电动机转子位置检测的电流注入法。
This paper describes a current injection method to detect the rotor flux position of the salient-pole brushless DC motor.
同时,为了使转速估计和转子电阻的辨识解耦,在励磁电流处叠加了小幅交流分量。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
文中提出了一种基于定子电流矢量定向的转子磁链估计器。
This paper proposes a rotor flux estimator based on stator current vector orientation.
开关磁阻电动机的转矩是各相电流与转子位置的高度非线性函数,这使得电动机的转矩容易出现脉动。
The torque of switched reluctance motor is a highly non linear function depends on phase current and rotor position, so the torque ripple occurs.
开关磁阻电动机的转矩是各相电流与转子位置的高度非线性函数,这使得电动机的转矩容易出现脉动。
The torque of switched reluctance motor is a highly non linear function depends on phase current and rotor position, so the torque ripple occurs.
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