电压质量

基于无时延改进d-q变换的动态电压质量识别与测量方法研究

Research on Distinguish and Measure of Dynamic Voltage Quality Based on the Improved d-q Transform without Delay

随着电网互联的发展和负荷密度的增加，提高电力系统运行稳定性和电压质量的要求日益迫切。电力电子技术的发展使得静止无功补偿装置（SVC）在该领域发挥了巨大的作用。

To promote power system operational stability and voltage quality , the development of power electronic technology has played important role on Static Var Compensator .

输出电压质量和系统可靠性是决定UPS供电系统性能的两个重要方面。

The output voltage and the system reliability are two important aspect when the UPS performance is considered .

动态电压质量问题随着信息技术和自动化技术的发展越来越受到重视，动态电压调节器（DVR）是解决这一问题的主要手段。

Along with the developments of information technique and automation technique , much attention is paid to dynamic voltage problems more and more .

该模型以提高电压质量、降低网络损耗和抑制电压波动等为目标，以变压器分接头和并联补偿电容器等为控制手段，适应DG接入造成的影响。

The model aims to improve voltage profiles , reduce active power losses and limit the voltage variation by adjusting tap-changers and shunt capacitors , accommodating the influences of DG .

计算结果表明，该方法降低了间歇性DG和补偿电容的总投资成本，取得了系统运行的经济效益、环境效益以及电压质量的综合最优。

Results have favored this method for reducing overall investment cost of intermittent DG and compensating capacitor and achieving a comprehensive optimization of economy , environment and voltage quality in operation .

通过对单机&无穷大系统进行计算机仿真表明，SVG模糊变结构控制器能够提高系统的暂态稳定性，保证电压质量。

The results simulated single unit by computer , which is of infinite bus system , shown that the fuzzy variable structure controller , static reactive power generator , can improve the transient system stability and ensure the voltage quality .

结果表明，并联混合型APF具有良好的补偿效果，能够明显的治理系统的电流畸变，并且加装了并联混合型APF以后系统的电压质量也能得到少许的改善。

The result shows that shunt hybrid APF has good compensation effect , which can obviously manage current distortion of the system , and the quality of voltage can get some improvement after adding shunt hybrid APF to the system .

在优化分段的基础上，根据各控制时段内不同时刻的网损及电压质量，再决定是否用OLTC进行二次调节。

After the partition results being achieved , a secondary control strategy of the OLTCs is implemented depending on the voltage quality and energy loss reduction in the period of specified interval .

在做出大量研究之后，本文提出了一种结合了abc-dq变换和前述算法的改进型电压质量扰动分析算法。

After a great deal of research , an improved analysis method is illustrated , which integrates abc-dq transform and the former proposed algorithm .

为了提高电力系统电压质量和降低线路损耗，对安全约束下的500kV南方电力系统最优无功功率调整方法进行了研究。

In order to improve the voltage quality and lower line losses of power system , a research is made on the optimal reactive power regulation method under safety limiting for 500 kV south power system .

本文对大秦线信号主电源，即10kV自闭电源的电压质量进行了分析，找出了10kV自闭电压质量问题的原因，提出了一些改造建议并加以实施，取得了良好效果。

This paper analyses the quality of voltage of signal main power , that is 10 kV auto blocking power in Datong-Qinhuangdao Railway , finds out the causes of the quality problem and raises some advices which have been obtaining good results after implementation of those advices .

算例分析表明，EPT取代配电网中常规的OLTC可有效降低网损，改善副方电压质量，大大减少无功补偿设备的投资费用，从而更好地满足用户对电能质量的要求。

Analysis of test example indicates EPT in place of traditional OLTC in the distribution networks can lower power loss effectively , improve voltage quality of distribution networks and reduce the expense of the reactive-load compensation equipment to better satisfy the need of the electric customer to power quality .

配电网电压质量实时监测系统

A real-time monitor system for the voltage quality of distribution networks

移相控制技术在串联有源电压质量调节器中的应用

Application of Phase Shift Control for an Active Voltage Quality Regulator

独立电网供用电系统的电压质量控制器研究

Study on Active Voltage Quality Controller for Independence-net Power Supply System

电网电压质量评估的概率统计分析方法应用研究

Research on probability and statistics analysis application of power network voltage quality

利用并联电抗器改善电压质量的分析研究

Research and Analysis of Improving Voltage Quality by Shunt Reactor

浅谈农村配网的电压质量与降损

Discussion on Rural Distribution Network 's Voltage Quality and Reducing Line Loss

巢湖电网电压质量调控措施分析

Analysis of the Voltage Quality Regulation and Measure of Chaohu Power Grid

第二级协调各个区域内第一级控制设备的工作，以保证区域内各节点的电压质量；

The secondary level coordinates the primary control devices in various areas .

用电设备对供电电源电压质量和整个供电系统可靠性要求越来越高。

The requirement of high quality and reliability power supply is increasing .

一种串联电压质量调节器的快速投入与切除技术

A Fast Switch-on and - off Technique for an Active Voltage Quality Regulator

级联多电平电压质量调节装置的多目标控制

Multi-objective Control Strategy of Cascaded Multilevel Voltage Quality Conditioner

基于网络的电压质量监测管理系统

Voltage quality monitoring and management system based on network

单相串联电压质量补偿器控制器的研究

Control method of single phase series voltage quality compensator

提高农村电网电压质量措施

Measure of Improving Voltage Quality for Rural Power Network

关于定量估价电压质量

On Quantitative Evaluation of the Quality of Voltage

提高油田6千伏输电线路电压质量的措施

A method of improving voltage quality of 6000-volt electricity transmission line in the oilfield

基于负控系统的电压质量监测通信系统的设计

Solution of Communication System of Measuring Voltage Based on Radio Power Load Control System