According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
The influence on grid's transient stability margin and DC system is also studied while the power slope of north or south AC transmission system is taken as modulation signal respectively.
分别取北通道功率变化率及南通道功率变化率为调制信号对系统暂态稳定裕度及直流系统的影响；
Power spectrum analysis is always used in spectrum analysis of cavitation noise. However, it is obviously unfit for research on the transient signal such as cavitation noise.
空化噪声的谱分析一般采用功率谱分析，而功率谱分析在研究空化噪声这种具有很强突变性的信号具有明显的缺陷。
Based on WAMS signal, wide area coordinating control, closed-loop emergency control and islanding control for improving transient stability of power systems are researched in this thesis.
本论文从WAMS实测数据出发，研究了提高电力系统稳定性的全局综合控制、闭环紧急控制及解列控制等多种控制措施。
This iterative algorithm is applicable for de-noising of various transient signal in electric power system.
该迭代算法适用于各种电网瞬态信号去噪。
This iterative algorithm is applicable for de-noising of various transient signal in electric power system.
该迭代算法适用于各种电网瞬态信号去噪。
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