分析了有源和无源谐波励磁的两种方法。
Active and reactive methods for generate harmonics for exciting were introduced.
介绍了发电机自并励励磁的原理、特点及其保护功能。
The principle, features, and protective functions of generators with self-shunt excitation have been presented.
在此基础上推导了PET和发电机励磁的最优协调控制规律。
An optimal coordinated control strategy for the generator excitation and PET is deduced.
它利用多谐振荡桥励磁的单纳米晶磁芯双绕组差动对称结构。
The sensor has differential symmetric structure with single nanocrystalline core and double coils excited by multivibrator bridge.
二者相结合提出了一种新的SVC与发电机励磁的鲁棒非线性协调控制律。
Then a new robust nonlinear coordinated control law for SVC and generator excitation is developed.
本文主要是基于微分几何的理论,研究同步发电机励磁的非线性控制问题。
This paper is based on the differential geometry, researching on the nonlinear excitation control of the synchronous generator.
我们会开始寻找实验证据证明这些固定励磁的存在,尤其是因为在其他材料中很难产生孤波。
We'd like to start looking for experimental evidence that these localized excitations occur, not least because solitons in other materials are hard to generate.
建立了基于变换器励磁的双馈感应电机的变速恒频风力发电功率控制系统的模型。
A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operation torque.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
Reactive stepping motor rotor windings without, the excitation of the stator winding reacts to achieve step operating torque.
开关磁阻电动机在两相励磁的工作条件下,定转子轭部磁场高度饱和使每相磁链有所减小。
When the switched reluctance motors operate in two phase excitation mode, the phase flux linkage will be reduced due to the high magnetic saturation in the stator and the rotor yoke.
针对SVC与发电机励磁的协调控制问题,研究了能够实现干扰抑制的鲁棒非线性协调控制律。
For the problem in coordinated control of SVC and generator excitation, robust nonlinear coordinated control law is studied which can achieve disturbance attenuation.
针对TCSC与发电机励磁的协调控制问题,研究了能够实现干扰抑制的鲁棒非线性协调控制律。
For the problem in coordinated control of TCSC and generator excitation, a robust nonlinear coordinated control law was studied which could achieve disturbance attenuation.
然后将方法1和方法2分别应用于该模型,得出两种多机系统励磁的非线性L_2增益干扰抑制控制律。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for multi-machine excitation are deduced.
然后将方法1和方法2分别应用于该模型,得出两种单机系统励磁的非线性L_2增益干扰抑制控制律。
Method 1 and method 2 are applied to the constructed nonlinear model, and then two nonlinear L2 gain disturbance attenuation control laws for single-machine excitation are derived.
首次提出采用永磁励磁的转子结构,并对补偿电机内部磁场进行了仿真,对磁钢的尺寸进行了优化设计。
At the first time a permanent excitation structure is used in the design of CPA. The inner magnetic field of CPA is simulated and fundamental dimension of permanent magnet material is optimized.
本文还提出一种强化励磁的控制方案,以解决低压小功率开关磁阻发电系统在高速状态下功率输出较低的问题;
The electronic controller, which controlled by DSP or by hardware circuit are developed for low-power switched reluctance generation system.
这是因为电励磁的同步电动机可通过调节励磁电流来改变其磁场和功率因数,使输出的机械特性与负载特性相匹配。
Synchronous motor excitated magnet by direct current can make output mechanism specialities matched load specialities by means of adjusting exciting current to change magnetic field and power factor.
另外,本文还设计了一台电励磁的交直流发电机,电磁设计结果表明,永磁电机在体积、重量、效率方面都很有优势。
The result shows that the permanent magnet generator presents here has a series of advantage in size, weight, and efficiency over the wound-field generator.
提出了一种新的模糊推理机和设计方法,并在线性最优励磁控制器的基础上,实现了发电机励磁的快速模糊自适应控制。
The paper proposes a new way to design a fuzzy inference machine. On the basis of a linear optimal excitation controller, the fast fuzzy adaptive excitation control of the generator is realized.
采用高速数字信号处理器TMS320F 2812设计实现了双pwm变换器励磁的交流励磁发电机励磁系统实验平台。
An ACEG experiment platform based on dual PWM converter is established by using high-speed digital signal processor TMS320F2812 and the system performance is assessed through the experiment.
仿真结果表明,双馈发电机控制系统具有良好的动态控制性能,直流母线电压稳定,波动小,能够满足双馈发电机交流励磁的需要。
The simulation results indicate that the system has good dynamic performance, DC bus voltage is stable and has small fluctuations, and it satisfies the demand of DFIG excitation.
通过理论分析和对比,提出采用主辅线圈串联励磁的方法来改善励磁线圈的作用效果,使动铁心在较长的运动行程下始终能获得足够的操作功。
As results, a novel excitation method with main coil and auxiliary coil in series is presented so as to make the armature obtain enough energy to move all through.
在分析了其他变频器的局限性后,指出了双PW M变频器是交流励磁的最佳电源方案,详细地讨论了电压型双pw M变频器的工作原理与控制策略。
In this paper, a back-to-back PWM converter is considered as the optimum scheme of ac excitation power supply and its operation principle and control strategy are discussed in detail.
你检查过励磁回路的接地吗?
分析了变压器的电磁关系及励磁参数,提出了变压器的等效电路另一形式,并且与现用的等效电路进行比较。
The electromagnetic relation and exciting parameters of transformer are analysed. An another form of transformer equivalent circuit is proposed and is compared with present equivalent circuit.
而不同容量的负载,以及负载的不同功率因数,对同步发电机励磁磁场的作用是不同的,对同步发电机的内部阻抗压降的作用也是不一样的。
The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
阐述了模型参考诊断方法在励磁系统功率单元的具体应用。
The application of the model based fault diagnosis to the power unit of an excitation control system is described.
阐述了模型参考诊断方法在励磁系统功率单元的具体应用。
The application of the model based fault diagnosis to the power unit of an excitation control system is described.
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