DC voltage control and capacitor parameter design of power interface in power hardware-in-the-loop simulation

被引：0
|
作者：
Pi Y. [1 ]
Sun J. [1 ]
Yin C. [1 ]
He Y. [1 ]
Zha X. [1 ]
Qu L. [2 ]
机构：
[1] School of Electrical Engineering, Wuhan University, Wuhan
[2] Wuhan Keliyuan Electric Co. Ltd., Wuhan
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2016年 / 40卷 / 24期
基金：
中国国家自然科学基金;
关键词：
DC capacitor design; Feed-forward control; Load disturbance; Power interface; Small signal modeling;
D O I：
10.7500/AEPS20160523003
中图分类号：
学科分类号：
摘要：
As the interconnecting device connected digital simulation and physical equipment in power hardware-in-the-loop (PHIL), power interface plays a decisive role in the PHIL simulation system. The DC voltage fluctuation caused by load disturbance on the physical side is one of the key problems of running a stable power interface. For this problem, in order to improve PHIL system stability, a DC voltage optimum control strategy based on current feed-forward control considering control delay and its feed-forward control parameters are given. According to active power balance of AC-DC converter side, a unified power interface AC-DC model is developed using the small signal analysis method. The effectiveness of the proposed control strategy is proved to inhibit DC voltage fluctuations in the case of small disturbance. A DC capacitance parameter calculating method is presented and the feed-forward control is proved effective in reducing the DC capacitance. Finally, simulations and experiments verify the effectiveness of the method. © 2016 Automation of Electric Power Systems Press.
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页码：105 / 110
页数：5
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