Digital valley current controlled switching DC-DC converters

被引：0
|
作者：
Zhou, Guohua [1 ]
Xu, Jianping [1 ]
Wang, Wei [1 ]
机构：
[1] School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China
来源：
Xinan Jiaotong Daxue Xuebao/Journal of Southwest Jiaotong University | 2009年 / 44卷 / 06期
关键词：
Digital control systems - Landforms - Voltage regulators - Transients - Electric inverters - Pulse width modulation - Time domain analysis - DC-DC converters - Power quality - Switching;
D O I：
10.3969/j.issn.0258-2724.2009.06.012
中图分类号：
学科分类号：
摘要：
To obtain the optimal digital valley current (DVC) control technique of switching DC-DC (direct current to direct current) converters, the principle of DVC controlled switching DC-DC converters in a continuous conduction mode was introduced. The control laws for DVC with four modulations, i.e., leading-edge, trailing-edge, leading-triangle and trailing-triangle modulations, were investigated, and their stabilities were analyzed. The time-domain simulation of the DVC controlled switching DC-DC converters was performed. Simulation and experiment results show that a DVC controlled switching DC-DC converter with the trailing-edge modulation instead of the other modulations has an excellent load transient characteristic with a voltage overshoot of 62 mV and a response time of 1.118 ms.
引用
收藏
页码：865 / 870
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