在满足IEEE暂态电能质量条件下，实现下行信号系统准最优控制。
The suboptimal controlling method which meets the requirement of IEEE transient power quality is given.
动态电压恢复器(DVR)是解决暂态电能质量问题的一种有效途径。
Dynamic voltage restorer (DVR) is an effective solution for transient power quality problems.
暂态电能质量问题日益突出，电容器投切造成的暂态扰动是其中较为常见的一种。
The transient power quality problems become more important. Capacitor switching which brings transient disturbance is a common power quality event.
该方法利用小波和小波包各自的时频分解特点，实现了暂态电能质量扰动的自动检测和分类。
Using the different time-frequency characteristics of wavelet and wavelet packet, the proposed approach can avoid the noise and complete the detection and classification of transient power quality.
暂态电能质量问题越来越突出，如电压跌落、骤升、短时断电等现象经常发生，给用户带来了很大的损失。
Transient power quality issues have been becoming extrusive, such as voltage well, voltage sag and voltage interruption, and bring customers amount of loss.
暂态电能质量会给敏感用户带来重大损失，因此，在最普遍情况下识别叠加的暂态电能质量扰动非常重要。
Transient power quality may cause severe loss to sensitive customers; therefore, it is very important to recognize overlapped transient power quality under general terms.
针对传统线性滤波器在暂态电能质量扰动检测中存在的固有缺陷，本文采用形态滤波器对电力扰动信号进行消噪。
Against the inherent defects of the traditional linear filter in the detection of transient power quality disturbances, this paper USES mathematical morphology morphological filters.
这些装置对改善电能质量，提高电网的稳定性和系统的暂态特性有着积极的作用。
These devices have active functions to improve power quality, enhance stability of power network and transient characteristic of power system.
电能质量扰动主要包括谐波、电压暂降、电压暂升、电压中断、电压波动、暂态振荡、谐波暂升和谐波暂降等电能质量问题。
Power quality disturbances mainly include harmonics, voltage sags, voltage swells, voltage interrupts, flickers, oscillation transients, voltage sags with harmonic and voltage swells with harmonic.
电能质量扰动主要包括谐波、电压暂降、电压暂升、电压中断、电压波动、暂态振荡、谐波暂升和谐波暂降等电能质量问题。
Power quality disturbances mainly include harmonics, voltage sags, voltage swells, voltage interrupts, flickers, oscillation transients, voltage sags with harmonic and voltage swells with harmonic.
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