电磁功率

通过理论分析，在COI坐标系下，单机等值机群的电磁功率可表示为功角多项式函数。

The electromagnetic power of single equivalent is expressed by the polynomial function according to the proposed Taylor series expansion analysis in the COI frame by theoretical analysis .

时域分析中，通过对两种情况下电磁功率曲线和功角曲线进行Prony分析，对比发现在计及原动机与调速器模型之后，系统的阻尼比都无一例外地得到了增大。

In time-domain analysis , the conclusion that the prime mover and governor model will increase the damp of system is verified through the Prony analysis of electromagnetic power curve and power angle curve .

结合特征值计算，探讨了应用频域转矩方法分析线性最优励磁控制（LOEC）过程中电磁功率信号两种处理方法的异同。

With the aid of eigenvalue calculations , the similarities and differences between two processing methods of input power signal in Linear Optimal Excitation Control ( LOEC ) applied to torque analysis method are studied in this paper .

考虑电磁功率突变的闭环紧急控制

Closed-loop emergency control method considering the abrupt change of electromagnetic power

永磁同步发电机极限电磁功率的分析计算

The Analysis and Calculation of Threshold Power of Electromagnetism of Magneto Alternator

暂态稳定分析中的发电机电磁功率预测研究

Study of the Electric Power Prediction of Generation Unit in Transient Stability Analysis

同步发电机电磁功率的物理本质

The Physical Nature of Electromagnetic Power of Synchronous Generator

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 .

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 .

茂名热电厂电磁功率输入型电力系统稳定器的参数配置与试验应用

Parameter configuration and test for power system stabilizers with electromagnetic power input in Maoming Cogeneration Power Plant

本文对电磁功率通过狭缝进入内部置有导线的矩形导电腔的耦合问题作了初步研究。

The coupling of electromagnetic power into a rectangular conducting cavity Containing a Conducting wire through a slot is investigated .

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 .

该模型将潮流方程及电磁功率方程统一到极坐标形式下，便于编程记忆，使公式推导及编程工作量成倍减少。

Power flow equation and electromagnetic power equation are unified into polar coordinate . The model is more convenient for memory and programming .

在此基础上，推导抽水蓄能电动机进相运行时电磁功率和无功功率的表达式，分析其功角特性，与稳态运行时的功角特性做比对。

And the expressions of electromagnetic power and reactive power are deduced , which pumped storage motor working in leading phase operation . Static angle characteristic is analyzed .

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 .

假设同一机群内任意2台发电机转子角度相对该群的摆动呈线性关系，并据此对模型中的电磁功率表达式进行了化简。

On the assumption that the rotator angle swing of any two generators in the same cluster is linear , the electromagnetic power expression in the model is simplified .

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 .

该法引入了发电机输入机械功率、输出电磁功率、转速等信息，准确性高，且计算快捷。

For introducing the information of generator input mechanic power , output magnetic power and rotor speed , the accuracy of the method is high and the calculation speed is rapid .

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 Poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as Hertz dipoles .

交流调速的所有方法都可归结为电磁功率和损耗功率两种控制方案，电磁功率控制改变的是理想空载转速，调速是高效率的；

All the AC speed regulation approaches can be generalized in two basic schemes , the electromagnetic power control and the loss power control . The former is to adjust the ideal no-load rotation speed , and thus possesses high efficiency .

利用变频器控制系统对风电机组输出电磁功率进行快速控制，使变速风电机组向系统注入与低频振荡相关的阻尼功率，削弱系统功率振荡。

The variable speed wind turbine generator regulates the electrical power output by controlling the converter , and immits the damping active power associated with low-frequency oscillation to reduce the electrical power oscillation , increase the damping and reinforce the dynamic stability of the systems .

强激光等离子体中自由电子的电磁辐射功率

The electromagnetic radiation power of a free electron in the strong-laser plasma

电磁轴承功率放大器的局部校正设计方法

Partial Correction Design Method for Power Amplifier of Electromagnetic Bearing

电磁式功率步进电机的分析和计算

Analysis and Design Methed of Electromagnetic Power Step Motor

电磁轴承功率放大器的研究

Research of Power Amplifier for Electromagnetic Bearings

结果表明：电磁搅拌功率和频率直接影响电磁搅拌力，进而对金属熔体的流动形态有明显的影响。

The results show that stirring force increases with increasing stirring power in a certain frequency range .

根据化学剂的温度，设定合理的电磁加热器功率。

To set up a proper power for the electromagnetic heater according to the temperature of the chemicals ;

通过计算，得出结论：金属平板前的非均匀等离子体可以使入射电磁波功率反射系数达到0.1以下；

The conclusion is that the reflectance coefficient of radio wave energy is less than 0.1 by plasma in the front of metal flat ;

采用磁通观测器的主动电磁轴承用功率放大器

Power Amplifier for Active Magnetic Bearings Based on Flux Observer

半导体三极管电磁脉冲损伤功率实验研究

Experimental studies on damage power of square wave electromagnetic pulse for the semiconductor triode