摘要
研究了一种应用于中高压电力电子装置的新型隔离驱动电源架构。驱动电源以电流型串联交流母线为基础,以高压电缆线和光纤作为电气隔离介质,实现多路输出和高压隔离的性能。文中分析了新架构的系统结构及其特点,对组成模块逐个做了详细分析,给出了模块的功能需求和设计准则,提供了各模块的几种实现参考方案并做了比较和评估,发展了电流型串联交流母线获取方案。最后,制作了一台400W的样机,以验证方案的可行性。理论分析和实验表明,按文中所述新架构参考标准设计的驱动电源具有结构简单、可靠性好、变换效率和传递效率高的优点,能够满足各种半导体器件的驱动需求。
In this paper,a novel drive power supply framework for power electronics devices is presented.It is used in the applications where medium-high voltage electric insulation is required.The novel framework is based on the concept of series ac bus and employs high tension cable and optical fibre as insulation media to achieve excellent multiple output and high-voltage insulation performance. And a novel series current ac bus is developed.First,the whole system structure and its characteristics are shown and described.Secondly,each module of the system is discussed in detail,and functional requirements and design criteria are proposed,and some solutions are provided,compared and also evaluated for reference.Finally,a 400W prototype was built to verify the feasibility of the novel framework.The theoretical analysis and experimental result show that the drive power supply based on the standard for reference in the paper is of the advantages of simple structure,high reliability, improved conversion efficiency and transmission efficiency,and can be used to drive different kinds of semiconductor devices.
出处
《电工技术学报》
EI
CSCD
北大核心
2010年第2期121-126,共6页
Transactions of China Electrotechnical Society
关键词
驱动电源架构
中高压隔离
多路输出
电流型串联交流母线
Drive power supply framework
medium-high voltage insulation
multiple output
series current ac bus