不同暂态稳定指标识别系统临界状态的适用性评价
Evaluation of Suitability of Different Transient Stability Indices for Identification of Critical System States
摘要：
电力系统稳定性指标是用来评价和量化系统对外部大扰动响应的指标。本文提供了一个比较分析建立暂态稳定指标。本文研究的指标包括基于转子角差的暂态稳定性指标（TSI）、机器加速率（ROMA）、暂态动能（TKE）和暂态势能（TPE）。分析是使用3机，9总线标准测试系统下的一个现实的范围内的负载水平。研究的目的是确定其适用性的关键系统条件的可靠识别考虑系统的不确定性。
英文摘要：
Power system stability indices are used as measures to evaluate and quantify the response of the system to external large disturbances. This paper provides a comparative analysis of established transient stability indices. The indices studied in this paper include rotor-angle difference based transient stability index (TSI), rate of machine acceleration (ROMA), transient kinetic energy (TKE), and transient potential energy (TPE). The analysis is performed using the 3-machine, 9-bus standard test system under a realistic range of loading levels. The aim of the study is to determine their suitability for reliable identification of critical system conditions considering system uncertainties.
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