Control strategy and simulation research of Delta-conversion type UPS

被引：0
|
作者：
Liu, Wei-Gang [1 ]
Shen, Song-Hua [1 ]
机构：
[1] School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
来源：
Dianli Zidonghua Shebei / Electric Power Automation Equipment | 2007年 / 27卷 / 04期
关键词：
Computer simulation - Electric power factor correction - Pulse width modulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The structure of Delta-conversion type UPS (Uninterruptable Power Supply) and its distinguished merits from the traditional on-line UPS are presented. Based on principles of the voltage compensation and the power factor correction, the working states of the series Delta converter and the parallel main converter and their importance in the whole UPS are analyzed. By controlling the Delta converter as a fundamental sine current source and the main converter as a fundamental sine voltage source, the control strategy of SPWM (Sine Pulse Width Modulation) controller are investigated based on the d-q method. The detailed analysis of system performance simulation verifies the operation mode of Delta-conversion type UPS and its feasibility.
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页码：14 / 18
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