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.
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.
而且调节励磁不仅可以调节发电机的无功功率，还可以调节发电机的有功功率和转速。
Under proper excitation control, the reactive power, active power and speed of an ASG can be independently adjusted, respectively.
发电机的设计要求决定了励磁电流、励磁电压，从而也决定了励磁所需的功率。
Generator design considerations determine the field current, field voltage, and consequently, the power required for excitation.
在分析瞬时功率频谱特性的基础上，提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
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.
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.
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.
又因无需励磁电流，省去了励磁损耗，提高了电机的效率和功率密度。
Benefiting from the absence of the exciting current and the excitation loss, the efficiency and the power density have increased.
从交流励磁发电机的基本方程出发，通过对其矢量图和功率流程的研究，提出了变速恒频的实现方法。
Based on the basic equation of A. C. exciting alternator, the vector chart and power flow chart of the alternator are studied, and a method of variable-speed and constant frequency (VSCF) is proposed.
常用的励磁控制方法主要有三种：恒励磁电流、恒功率因数、恒给定开环控制。
There are three usual methods for excitation control following constant excitation current, constant power factor, and constant setting open-loop control.
本文提出以DSP和IGBT为核心来设计数字式可逆励磁调节器，以取代现有的以晶闸管为功率元件的模拟控制的励磁调节器。
This paper presents reversible digital field regulator with DSP and IGBT, which is substituted for current analogue field regulator with thyristors as power element.
本文论述了直流互感器在大功率晶闸管励磁系统中线路结构形式以及在激磁电流自动调节控制系统中所起的作用。
The paper presents the circuit structure type of the D. C. inductor in high power thyristor exciting system and the role of the D. C. inductor in the exciting current self-regulation control system.
功率线性旋转变压器是印染整理联合机电磁励磁调节装置的重要组成部分，而励磁调节器对功率线性旋转变压器有着特殊的性能要求。
Power linear resolver is an important part of electromagnetic exciting regulator used in printing and dyeing rearrangement equipment. Exciting regulator has some special technique requirement to it.
如何计算交流励磁机的电枢反应，功率因数，及其所需的励磁磁势。
How to calculate the armature which is exchanged the exciter to reflect, power factor, and necessary excitation magnetism tendency.
控制方式具有恒机端电压励磁调节、恒励磁电流调节、恒功率因数励磁三种。
The control way of system has 3-patterns: exciting regulator of constant terminal voltage, constant exciting current regulator and exciting regulator of constant power factor.
在输电线路发生故障时，首先通过电功率平衡抑制各变量的剧烈波动；在此基础上再用汽门励磁协调控制器镇定系统。
When a transmission line fault occurs, the violent fluctuations of system variables are first suppressed with the aid of electric power equilibrium.
发电机突然三相短路会导致励磁系统大功率晶体管的损坏，必须对该现象进行分析和研究。
The high-power transistor of exciter will be damaged after the 3-phase circuits' sudden short, which results in starving for the analysis and study of the phenomenon.
发电机突然三相短路会导致励磁系统大功率晶体管的损坏，必须对该现象进行分析和研究。
The high-power transistor of exciter will be damaged after the 3-phase circuits' sudden short, which results in starving for the analysis and study of the phenomenon.
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