提出一种考虑电磁功率突变的暂态稳定闭环紧急控制方案。
A transient stability closed-loop emergency control method considering the abrupt change of electromagnetic power is proposed.
文章还对坐标变换过程中的电磁功率不变性原则进行了讨论。
This paper also discusses the principle of the electromagnetic power unchangeableness to some extent.
导出了基波电磁功率、稳定谐波电磁功率及脉动谐波电磁功率的计算公式。
Then, the calculation formulas of the fundamental and steady harmonic as well as pulse harmonic electromagnetic powers are derived.
传统的PSS使用本地可测量的发电机电磁功率、转速等作为输入信号以抑制低频振荡。
The traditional PSS use the local signal such as the generator electromagnetism power or shaft speed as its input to restrain low frequency oscillation.
以赫芝偶极之电磁场合成任意长度偶极天线在球面上电磁功率密度流之时变玻因亭向量。
The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles.
分析了稳定性预测过程中电磁功率突变产生的原因及其影响，并提出了计算修正的方法。
The reasons and the influence of sudden change of the electric power of generators during stability prediction are analyzed. Moreover, corresponding correction method is proposed.
同时本文在二群失稳模式的假设下，得出了机组电磁功率与转子相对惯性中心角的变化曲线为一正弦曲线。
Meanwhile, under two-group instability modes, it is discovered that the curves between electric power of generator unit and rotator's angle in relative to center of inertia is a sine curve.
通过简化异步发电机模型，将异步电机的滑差引入到计算变量中；将风电机组的机械功率与电磁功率之差作为等式约束加入到算法中。
Making use of simplified asynchronous generator model, the paper introduced slips into variables, taken mechanical and electrical power unbalances as equation restrains to add in the algorithm.
高温是开发下一代军用电子器件，例如高功率雷达、电磁武器和所有的电动飞行器，遇到的关键障碍。
High thermal temperatures are a key barrier in the development of next-generation military electronics, such as high-power radars, electromagnetic weapons and all-electric aircraft.
当电流穿过功率发射器中的线圈时会产生电磁场，向接收器输送电量。
As electricity moves through the power transmitter coil, it creates an electromagnetic field that sends a charge to the next coil.
微波功率测量已成为电磁测量的重要部分。
Microwave power measurements have taken an important role in electromagnetics.
本文阐述了与微波功率模块（MPM）可靠性有关的热设计及电磁兼容（EMC）设计。
This paper has introduced the thermal design and Electromagnetic Capability (EMC) related to the Reliability of Microwave Power Module (MPM).
采用不同的搅拌功率对铝合金熔体进行电磁搅拌，观察与分析几种搅拌工艺下得到的材料显微组织。
The melt of aluminum alloy in the electromagnetic field was stired by different stirring power and the microstructure of the material that was got from different stirring technology was observed.
提出高功率电磁脉冲作用下MESFET热效应分析的时间尺度统一算法。
We propose a unified time scale algorithm for thermal effect of MESFET under irradiation of high power electromagnetic pulses.
研究了开关电源中印刷电路板寄生参数及功率器件瞬态特性产生的传导电磁干扰现象。
Conducting Electromagnetic Interference (EMI) in switching power supplies caused by parasitic parameters and transient characteristic of power electronic elements is studied in this paper.
针对电磁-永磁混合磁悬浮系统零功率控制中的电流积分问题，开展电流积分负作用的研究。
In allusion to the current integral action in zero-power control of hybrid suspension system with electro and permanent magnets, the negative effect was researched.
多电平变流器具有输出谐波小、功率容量大、电磁兼容性好等特性而越来越引起人们的重视。
Multilevel inverters have been paid more and more attentions because of their good characteristics with low output harmonics, high power capacity, good electromagnetic compatibility and so on.
大长径比高功率密度电机受电磁及结构因素的影响，转轴的强度低，钢度差。
Affected by electromagnetism and structure, the rotor shaft of big length to diameter ratio high power density asynchronous motor shows low intensity and bad rigidity.
嵌入式系统往往工作频率高、环境恶劣、含有功率器件，电磁兼容问题的处理尤其重要。
Embedded system usually has high work frequency in the foul environment, contains the power parts of an apparatus, so the disposal of electromagnetic compatibility problems are very important.
利用自制的波导网络分析仪，研究不同纤维材料的含水率与电磁波的屏蔽效能和功率吸收率之间的关系。
The relationship between the moisture content in different textile materials and the shielding efficiency and power absorption of microwave was studied with self-made waveguide-network analyzer.
由PW M脉宽调制器驱动功率驱动电路，输出电流信号驱动比例电磁铁。
This output transferred thorough PWM driver circuit and changed into current signal to the proportional magnetic valve.
为降低功率回路对微控制器的电磁干扰提供了新的途径。
It provides a new idea to reduce the EMI from power circuit to the microcontroller.
利用电磁场全波分析软件，验证了宽边加宽的波导输出多工器功率容量达到GW量级。
The power handling capacity of the multiplexer with widened waveguide is demonstrated to be GW level by a full wave analysis software.
为研究高功率电磁脉冲的测量技术，提出一种应用标准增益喇叭天线和宽带数字示波器进行电磁脉冲辐射电场测量的方法。
In order to study the measurement technique of high power electromagnetic pulse, standard gain horn and wideband digital oscilloscope are adopted to measure the electromagnetic pulse waveform.
介绍了电磁浮轴承的控制原理及对功率驱动电路的要求。
Presents the control principle of electromagnetic bearing and the requirements of the power drive circuit.
通过对脉冲功率电源电路参数和电磁炮参数的分析，建立了两者之间的关系方程并对电源电路进行了设计。
Analyzing the circuit parameters of pulse power source and the parameters of EM gun, an equation concerning the two kinds of parameters was obtained and the source circuit was designed.
电磁脉冲装置的效能由其产生的功率和脉冲特性所决定。
The effectiveness of an EMP device is determined by the power generated and the characteristic of the pulse.
本文就射频电磁场对人体健康的危害以及小功率电视发射天线的电磁污染问题作了简要的论述。
This paper makes a brief discussion on the harm upon human health by radio-frequency electromagnetic field and electromagnetic contamination problems of small power television emission antenna.
采用垂直入射具有金属衬底的均匀等离子体模型，对不同入射频率的电磁波的衰减以及总出入射功率比进行了数值模拟。
In a model with vertical incidence of plane electromagnetic wave into plasma slabs with metal underlay, the attenuation of electromagnetic wave and reflected power are deduced.
雷达吸波材料的吸波性能通常以吸波材料对电磁波的功率反射系数来表示。
The absorbing property of radar absorbing material is usually expressed by the power reflection coefficient of the absorbing material toward the electromagnetic wave.
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