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首页> 外文会议>2015 5th International Conference on Electric Utility Deregulation and Restructuring and Power Technologies >Real-time transient instability monitoring and determination for large-scale AC/DC interconnected power system using synchronized phasor measurements
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Real-time transient instability monitoring and determination for large-scale AC/DC interconnected power system using synchronized phasor measurements

机译：使用同步相量测量对大型AC / DC互连电源系统进行实时瞬态不稳定性监测和确定

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摘要

In this paper, a real-time transient instability detection system is proposed to determine the transient instability using wide-area phasor measurements. The proposed system incorporates determination of oscillation tie lines and real-time transient instability detection. Oscillation tie lines can be identified immediately after the system being subjected to a large disturbance according to the coherent groups of generators and system network topology. Then, system transient state is evaluated by a novel criterion in real-time with the crucial measurements. The used measurements during the post-disturbance are extracted from the huge number of PMUs data updated timely and can represent the transient status of a system. The proposed approach is examined on a practical AC/DC interconnection power system. The obtained results indicate the efficiency of the transient instability detection system for determining the transient unstable status.
机译：本文提出了一种实时瞬态不稳定性检测系统，用于使用广域相量测量来确定瞬态不稳定性。拟议的系统结合了振荡联络线的确定和实时瞬态不稳定性检测。根据发电机组和系统网络拓扑的相关性，可以在系统受到较大干扰后立即识别出振荡联络线。然后，利用新的标准通过关键测量实时评估系统瞬态状态。从大量及时更新的PMU数据中提取出扰动后使用的测量值，它们可以表示系统的瞬态状态。在实际的AC / DC互连电源系统上对提出的方法进行了研究。获得的结果表明瞬态不稳定性检测系统确定瞬态不稳定状态的效率。

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