基于三端口双向DC/DC 储能变流器的电流内环控制策略研究
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引用本文:胡 平.基于三端口双向DC/DC 储能变流器的电流内环控制策略研究[J].计算技术与自动化,2017,(4):46-50
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胡 平 (陕西工业职业技术学院,陕西 咸阳 712000) 
中文摘要:多端口双向DC/DC储能变流器是一种进行能量控制变换的电力电子装置,是一种新型前沿技术,在以风力发电、光伏发电、燃料电池发电多能互补的智能微电网系统以及电动汽车能量管理控制系统中有着良好发展前景。系统主拓扑结构是以三端口双向DC/DC变换器作为储能装置,分别连接负载端、超级电容器和蓄电池,所组成的电动汽车充放电能量管理系统。通过对三端口双向DC/DC 储能变流器的控制策略的深入研究,采用状态空间法和波特图的形式来研究电流内环控制策略,实现储能装置在发电系统及电动汽车能量管理系统中的稳定应用,改善电能的利用效率。
中文关键词:变流器  电流内环  微电网
 
Research on Current Inner Loop Control Strategy Based on Three-port Bidirectional DC / DC Energy Storage Converter
Abstract:Multi-port bidirectional DC / DC energy storage converter is a power electronic device that can perform energy control and conversion,It is a new frontier technology which has a good development prospects in the smart micro-grid system and in the electric vehicle energy management control system what wind power,PV power generation and fuel cell power generation can complement each other.In this paper,the main topology of the system is a three-port bi-directional DC / DC converter as the energy storage device,respectively,connected to the load side,super capacitors and batteries which build up the electric vehicle charge and discharge energy management system.Through in-depth study of the three-port bidirectional DC / DC energy storage converter control strategy,we use the state space method and the form of the Bode diagram to study the current inner loop control strategy for achieving stability and application of the energy storage devices in power generation systems and electric vehicle energy management system,and improving utilization efficiency of electric energy.
keywords:converter  current inner loop  micro-grid
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