摘要
设计了一种基于并网逆变器的变频器电力电子可控负载,采用两相旋转坐标系中基于PI调节器的电流单闭环控制策略。提出了该可控负载的电路参数设计方法,包括启动电路的设计、变压器变比和逆变器输出线电压的设计。研究表明,该可控负载能提供可调的工作电流来模拟负载波动,并且可以模拟不同类型的负载特性,证明了在变频器测试系统中,采用并网逆变器负载作为可控模拟负载的方法是可行的。
A controllable power electronic load for transducer based on grid-connected inverter was designed,
with current closed-loop control strategy based on PI regulator in the two phase rotating reference frame. An approach
for this controllable load was presented to design circuit parameters,including the startup circuit,ratio of transformer
and output line voltage value of inverter. According to the research,the controllable load could provide adjustable
work current to simulate the load fluctuations and various kinds of load characteristics. It is proved that the approach
to build controllable analogous load based on grid-connected inverter is effective.
作者
吴跨宇
蔡慧
卢岑岑
阎晗
WU Kuayu CAI Hui LU Cencen YAN Han(State Grid Zhejiang Electric Power Research Institute,Hangzhou 310014,Zhejiang,China College of Mechanical and Electrical Engineering,China Jiliang University,Hangzhou 310018,Zhejiang,China)
出处
《电气传动》
北大核心
2016年第10期76-80,共5页
Electric Drive
关键词
并网逆变器
变频器
电力电子负载
启动电路
grid-connected inverter；transducer；power electronic load；start-up circuit
