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

页码：865 / 870

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