一种新型斩波AC/DC/AC变换的单相DVR

巫付专; 侯婷婷; 韩梁

巫付专,侯婷婷,韩梁.一种新型斩波AC/DC/AC变换的单相DVR[J].电测与仪表,2015,52(11):.
WU Fuzhuan,HOU Tingting,HAN Liang.Single-phase Dynamic Voltage Restorer based on chopper AC / DC / AC conversion[J].Electrical Measurement & Instrumentation,2015,52(11):.

一种新型斩波AC/DC/AC变换的单相DVR

Single-phase Dynamic Voltage Restorer based on chopper AC / DC / AC conversion

DOI：

中文关键词: 单相DVR AC/DC/AC斩波变换器瞬时无功理论。

英文关键词:Single-phase DVR AC/DC/AC Chopper converstion instantaneous reactive

基金项目:

作者中文名	作者英文名	单位
巫付专	WU Fuzhuan	中原工学院
侯婷婷	HOU Tingting	中原工学院
韩梁	HAN Liang	中原工学院

摘要点击次数: 1732

中文摘要:

针对采用AC-DC-AC结构的单相动态电压恢复器(DVR)输入侧功率因数低,谐波含量高等问题,提出了一种基于PWM斩波变换器的动态电压恢复器来补偿负载两端电压的跌落。该新型拓扑结构节省了直流侧电容；且采用PWM斩波控制,简化了滤波器设计,线路中谐波含量降低,输入侧达到单位功率因数；电压检测采用单相信号构造成两相信号,利用瞬时无功理论对信号进行检测与处理,实时性高；并搭建MATLAB/Simulink仿真和系统实验平台,验证其合理性和可行性。

英文摘要:

In view of the input side power factor of single-phase dynamic voltage restorer (DVR) which is adopting the structure of AC - DC - AC is low, and harmonic content is high. This paper proposes a dynamic voltage restorer based on PWM chopper converter to compensate the voltage drop of load. The new topology without dc capacitor adopts PWM chopper control and simplifies the filter design. Harmonic content in the circuit is reduced, input side to achieve unity power factor. Single phase signal is constructed into two-phase signals to detective voltage. It is a high real-time by using instantaneous reactive power theory to detection and processing. Finally, we built MATLAB/Simulink simulation and experimental platform to verify the rationality and feasibility of the new structure.

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