相量

Synchronized phasor measurement of electric power system ; ethernet ; asynchronous transfer mode; supervisory and control system ; phase measurement unit

电力系统同步相量测量；以太网；异步传输模式；监控系统；相角测量装置

The PMU-phasor measurement unit has been placed in the power system expansively, and the PMU measurements have become another important data source.

随着相量测量装置在电网中的推广应用，PMU量测已成为电力系统重要数据源之一。

The PMU-phasor measurement unit, has been placed in the power system expansively, and the PMU measurements have become another important data source.

随着相量测量装置（PMU—phasor meeasurement unit）在电网中的推广应用，PMU量测已成为电力系统重要的数据源之一。

An algorithm to predict the perturbed trajectories in multi-machine system is proposed based on data from phasor measurement units.

提出基于同步相量测量单元(phasor measurement units，PMU)量测的多机系统受扰轨迹预测方法。

However, when analyzing AC circuit, it is important to consider the magnitude as well as the direction of phasor quantities.

不过，在分析交流电路时，重要的是不仅要考虑相量的幅值，还要考虑相量的方向。

Furthermore, the effects of the power system transient on synchronized phasor measurement are investigated in the thesis.

研究了电力系统暂态过程对同步相量测量的影响。分析了电压互感器的特性对母线电压同步相量测量的影响。

However, when analyzing AC circuit, it is important to consider the magnitude aswell as the direction of phasor quantities.

不过，在分析交流电路时， ww w.8tt t8.com 的是不仅要考虑相量的幅值，还要考虑相量的方向。

A steady state model and equivalent circuits of a 15-phase induction motor , based on conventional generalized theory of electrical machine and symmetrical component method , is presented in this paper . Evaluation of steady state performance characteristics of the machine with multiphase stator windings open circuited is addressed .

基于通用电机基本原理和对称分量法，对十五相感应电机在定子绕组多相开路时的稳态电流和转矩特性进行了分析，由十五相感应电机的稳态等效电路，采用数值求解方法获得了多相定子绕组开路时电机各稳态相量。

Four parts are included as follows:First of all, the phasor method is adopted to analyze the influence of the demagnetizing coefficient, saliency ratio and stator current control strategies of PMSM on the motors voltage and current phasor loci and then the power capability and the flux-weakening level.

概括起来，本文的内容可分为以下几个部分：第一部分首次采用永磁同步电动机d、q坐标系下的相量分析方法，详细分析电机不同弱磁率、凸极率及不同定子电流控制策略对电机电压、电流相量变化轨迹的影响，及由此导致的电机功率特性及弱磁扩速能力的差异。

The fault component integrated impedance becomes a ratio of the sum of the fault component voltage phasor to the sum of the fault component current phasor of two terminals. It is used to identify if a fault exists on the line.

利用故障时线路两端故障分量电压相量和与故障分量电流相量和的比值，来判断线路上是否发生了故障。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。