电力系统中的电磁参量(电流、电压、功率、磁链等)的振幅和机械参量(功角、转速等)的大小随时间发生等幅、衰减或发散的周期性变化的现象。(当电力系统由于某种原因受到干扰时(如短路、故障切除、电源的投入或切除等),这时并列运行的各同步发电机间电势差相角差将随时间变化,系统中各点电压和各回路电流也随时间变化,这种现象称为振荡。)
...电力系统振荡;振荡能量函数下降法 [gap=1184]er system transient stability; power system security; transient energy function; power system oscillation; oscillation energy descent control strategy ..
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电力系统振荡中不对称故障的故障选相新方法--中国电力科技网 关键词: 电力系统振荡,故障选相,高频分量 [gap=2532]Keywords: power swing, fault phase selecting, high frequency exponent
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研究了将能量储存系统用于提高电力系统振荡稳定性的潜力。
This paper discusses the potential of applying energy storage systems to enhance power system oscillation stability.
分析了如何利用测量数据构造矩阵束并进行电力系统振荡模态辨识的方法。
Method of power system oscillation mode identification utilizing matrix pencil constructed from sampled data is presented.
提出了一种基于综合相量幅值和相位变化规律实时测量电力系统振荡中振荡频率及瞬时频率的算法,利用三相电流经相应变换获得综合相量。
An algorithm based on the magnitude and phase Angle of the generalized phasor to measure instantaneous frequency and swing frequency while the power swing occurred is presented.
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