并联型动态电压恢复器在电力系统中的应用  

Application of Parallel-Type Dynamic Voltage Restorer in Power System

作　　者：曹俊华[1] 甄晓亚 

机构地区：[1]杭州市电力局,杭州310009 [2]河南省平顶山供电公司,河南平顶山467001

出　　处：《南方电网技术》2012年第3期82-85,共4页Southern Power System Technology

基　　金："十一五"科技支撑计划项目(2007BAA12B03)~~

摘　　要：提出了一种新型并联型动态电压恢复调节装置,并分析工作原理。对电力系统中出现的典型电压质量问题电压暂降给出了补偿算法与控制方式,解决了电压暂降持续补偿、直流电压有效利用、低通滤波等问题。基于仿真软件建立了并联型动态电压恢复调节装置的仿真模型,仿真结果验证了所提出的主电路拓扑和控制策略的正确性和有效性。A new parallel-type dynamic voltage restoration control device is proposed with analysis of its operating principle.Compensation algorithm and control method are given to deal with typical voltage quality problems occurred in power system,such as continuous voltage sag compensation,efficiency of DC voltage,and low-pass filtering.Based on PSCAD/EMTDC simulation software,simulation model for a parallel-type dynamic voltage restoration and regulation device is established,simulation results validates the correctness and validity of the proposed main circuit topology and control strategy.

关 键 词：电压暂降 电能质量 电压控制 动态电压恢复器 并联 

分 类 号：TM714.2[电气工程—电力系统及自动化]