Reliability of power supply and power quality are always the concerns of customers and power departments.
供电可靠性及电能质量一直是用户和供电部门密切关注的问题。
Most of the larger units use batteries, flywheels, diesel generators, or a combination of the three, acting as a backup power source during power quality or utility disturbances.
较大型的单元大多采用电池、飞轮、柴油电机或三者的组合作为备份电源。
The problem of power quality has aroused great concern of power companies and consumers.
电能质量问题已引起电力部门及用户的高度关注。
Dynamic voltage restorer (DVR) is an effective solution for transient power quality problems.
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。
It is very important to find out the power quality disturbance in order to improve power quality.
有效地检测电能质量扰动，对于治理和改善电力系统的电能质量具有重要意义。
Voltage is an important index of power quality.
电压是电能质量的重要指标之一。
The parameters of power quality are studied in the paper.
本文对重要的电能质量参数进行了研究。
A new method for detection of power quality disturbances.
一种电能质量扰动检测的新方法。
The online power quality monitor is designed and implemented in this paper.
在此基础上，本文设计并实现了电能质量在线检测仪。
The online power quality monitoring equipment is good at realtime and precision.
该装置用于在线监测，具有很强的实时性及很高的精度。
A novel approach on power quality disturbance detection is presented in this paper.
提出了一种新的电能质量扰动识别与定位方法。
It is pointed out that the main aspect of electric power quality problem is voltage sag.
指出电压暂降是现代电能质量的主要问题。
There are several power quality issues such as power surges, voltage sags, outages, harmonics, etc.
电能质量问题包括以下几种：电涌、电压闪变、断电、谐波等。
Harmonic is the most general phenomenon in power system. And harmonic is the main index of power quality.
谐波是目前电力系统中存在的最普遍现象，是电能质量的主要指标。
The third part introduces and compares analytic methods of the power quality and their application ranges.
文章第三部分对电能质量的各种分析算法的原理和适用范围进行了介绍，并做了对比。
On the other hand, more sensitive loads need higher power quality with the development of information technology.
另一方面，随着信息技术的普及推广，越来越多的敏感负载对电能质量有着更高的要求。
Dynamic reactive power compensation is a main measure of reducing network dissipation and improving power quality.
动态无功功率补偿是电网节能降耗和改善电能质量的主要措施之一。
This paper presents a Support Vector Machine (SVM) method for classification of dynamic power quality disturbances.
论文将支持向量机引入到动态电能质量分类问题中。
The second part of the thesis classifies the problems of power quality. This part introduces all power quality problems.
文章第二部分对电能质量问题进行了分类，分别对各种电能质量问题进行了介绍。
This thesis focuses on the application of Electronic Design Automation technology in the field of power quality monitoring.
本论文研究的是电子设计自动化技术在电能质量监测中的应用。
It has been proved a very effective method to apply the virtual instrument technology to on-line monitoring of power quality.
采用虚拟仪器技术进行电能质量在线监测已经被证明是一种行之有效的方法。
The new method gives a entirely new way for detection, identification and classification of dynamic power quality disturbances.
该文方法为动态电能质量扰动的检测、识别与分类提供了新的思路。
So this paper mostly studies the algorithm of detecting voltage sag, voltage fluctuation and flicker in power quality problems.
因此，本论文确定将电能质量问题中的电压跌落和电压波动及闪变现象作为主要研究对象。
Active power filter (APF) is one of the most important approaches to control power quality based on advanced power electronics.
有源电力滤波器(APF)是优化电能质量的一种重要而且先进的手段。
Reactive power optimization is an effective measure to assure the security, improve power quality and benefit of power systems.
进行无功优化是确保电力系统安全性、提高供电质量和经济效益的有效措施。
This thesis focuses on the application of Electronic Design Automation (EDA) technology in the field of power quality monitoring.
本论文研究的是电子设计自动化(EDA)技术在电能质量监测中的应用。
In recent years, the growing demand for energy has made workers around the world attach great attention to power quality problems.
近年来，日益增长的电能需求量已经使得电能质量问题引起了世界各国工作者的高度重视。
Reactive power compensation equipments play a very important role in improving power quality and economic efficiency of power grid.
无功补偿装置对改善供电质量，提高电网经济效益具有重要作用。
Unified power quality controller (UPQC) is a new device for custom power. It can provide multiple power quality regulation functions.
统一电能质量控制器(UPQC)是用户电力技术中的新兴装置，它能统一实现多重电能质量调节功能。
The power quality technique is constructed of power quality standards, testing analyzing power quality and the control of power quality.
电能质量技术包括电能质量标准、电能质量测试分析、电能质量控制三个方面的内容。
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