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首页> 外文期刊>Smart Grid, IEEE Transactions on >A Measurement-Based Framework for Dynamic Equivalencing of Large Power Systems Using Wide-Area Phasor Measurements
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A Measurement-Based Framework for Dynamic Equivalencing of Large Power Systems Using Wide-Area Phasor Measurements

机译：大面积相量测量的大功率系统动态对等的基于测量的框架

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摘要

Wide-area analysis and control of large-scale electric power systems are highly dependent on the idea of aggregation. For example, one often hears power system operators mentioning how northern Washington oscillates against southern California in response to various disturbance events. The main question here is whether we can analytically construct dynamic electromechanical models for these conceptual, aggregated generators representing Washington and California, which in reality are some hypothetical combinations of thousands of actual generators. In this paper we address this problem, and present a concise overview of several new results on how to construct simplified interarea models of large power networks by using dynamic measurements available from phasor measurement units (PMUs) installed at specific points on the transmission line. Our examples of study are motivated by widely encountered power transfer paths in the Western Electricity Coordinating Council (WECC), namely, a two-area radial system representing the WA-MT flow, and a star-connected three-area system resembling the Pacific AC Intertie.
机译：大型电力系统的广域分析和控制高度依赖于聚合的思想。例如，人们经常听到电力系统操作员提到华盛顿北部如何响应各种干扰事件而在加利福尼亚南部发生振荡。这里的主要问题是，我们是否可以为代表华盛顿和加利福尼亚的概念性合计发电机分析地构建动态机电模型，实际上，这些发电机是数千个实际发电机的假设组合。在本文中，我们解决了这个问题，并简要概述了几个新结果，这些结果如何通过使用安装在传输线上特定点的相量测量单元（PMU）的动态测量来构建大型电网简化区域间模型。我们的研究示例是由西方电力协调理事会（WECC）中广泛遇到的电力传输路径所激发的，即，代表WA-MT流的两区域径向系统，以及类似于太平洋AC的星形连接三区域系统。交织。

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