相量

This paper puts forward a kind of power system equivalent method based on synchronized phasor measurement.

提出了一种基于同步相量测量的电力系统等值方法。

The application of dynamic phasor is a new selection for power system simulation.

动态相量理论在电力系统中的应用给现代电力系统的仿真带来了新的选择。

In this thesis the significance and progress of synchronized phasor measurement based on GPS are introduced at first, and its application in the power system is presented at the same time.

论文首先介绍了基于GPS的同步相量测量的研究意义、国内外的研究进展情况以及PMU 在电力系统中的应用前景。

Secondly, we studied on dynamic equivalence using the phasor measurement information.

其次，研究了应用相量测量信息的动态等值方法。

Then an effective method is proposed to detect the phasor during the step changes.

论文还介绍了一种识别相位突变的有效方法，并给出了一种相位突变时的相量测量方法。

In this paper, some progresses and technologies in the field are reviewed, and the author's considerations for future development of wide area phasor measurement system are presented.

文章回顾了国内广域相量测量技术的发展过程和现状，最后提出了发展思路和需要深入研究的领域。

Then the zero-crossing detection method and the DFT algorithm adopted in the phasor measurement are discussed in detail.

接着，介绍了同步相量测量的信号过零检测法、定频采样和变频采样的离散傅立叶法。

Dynamic phasor model has been proved to be correct through result of simulation and the speed of convergence is faster than time-domain model.

通过分析两种模型对短路过程的仿真结果，验证了时变动态相量模型的正确性，而且具有收敛速度快等优点。

An on-line voltage stability index of power system based on synchronized phasor measurement.

基于同步相量测量的电力系统在线电压稳定指标。

The Wide Area Measurement System is based on Synchronized Phasor Measurement and the technology of modern communication.

基于同步相量测量和现代通信技术的广域测量系统(Wide Area MeasurementSystem，WAMS)可以提供电力系统多个节点的同步信号，这些广域信号均是实时测得的，具有较高的精度和可信度。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新