摘要
本文首先提出了交流电子负载变换器的两级式结构,其中包含负载特性模拟部分和能量回馈部分,两部分均采用电流三态滞环控制策略。接着详细介绍了数字实现的方法,并给出了程序流程图。最后采用Saber进行了闭环仿真并进行实验,结果表明,所提出的变换器结构和控制策略能够很好地实现各种负载特性模拟和以单位因数向电网馈能。
This article first proposes the structure of the energy-fed electronic load converter,which contains the load characteristics sire ulation part and the energy feedback part,both of them use the current 3-level hysteresis control strategy.Then introduce the digital re alization method in detail,and the program flow charts are given.Finally,The simulation and experiment result indicated,proposed structure and the control strategy can realize all kind of load characteristics simulation and the unit-factor ener...
出处
《电源世界》
2008年第10期34-38,共5页
The World of Power Supply
关键词
电子负载
能量回馈
数字实现
electronic load
energy feedback
digital realization
