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J4  2013, Vol. 47 Issue (5): 750-754    DOI: 10.3785/j.issn.1008-973X.2013.05.002
机械工程     
基于最大功率跟踪控制的海流发电能量管理系统
石茂顺,李伟,刘宏伟,林勇刚,徐全坤
浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027
Tidal current power management system with MPPT 
SHI Mao-shun, LI Wei, LIU Hong-wei, LIN Yong-gang, XU Quan-kun
State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China  
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摘要:

针对海流能发电机组在低于额定流速时能量捕获效率低的问题,提出通过负载调节实现离网式海流发电机组最大能量捕获控制的方法.设计三相桥式整流-斩波为主的双直流电压变换器能量管理系统,利用升降压变换器分别实现机组功率的闭环控制和蓄电池的充放电控制.为验证该能量控制系统的有效性,对所设计的小型海流能发电样机进行系统数学模型分析,并建立系统Matlab/Simulink模型进行系统控制特性仿真研究.结果表明,采用双直流电压变换器的拓扑结构在满足蓄电池充放电控制要求的前提下可以实现机组最大功率跟踪控制.

Abstract:

Aim at the problem of the tidal current turbine's low capture inefficiency under lower current velocity, a control method realizing maximum power point tracking of tidal current turbine through adjusting the load characteristics was proposed. The power management system based on double DC/DC convertors was designed. The system could realize the closed loop power control of the tidal current turbine and the charge-discharge control of the batteries. For validating the power manage system, the mathematics model of a small tidal current turbine prototype was analyzed and the matlab/simulink model was built for studying the control characteristics of the power management system. The results show that the double DC/DC convertors topology can realize the maximum power point tracking control of the tidal current turbine under the premise of meeting the charge-discharge control.

出版日期: 2013-05-01
:  TK 73  
基金资助:

国家“863”高技术研究发展计划资助项目(2011AA050201);国家自然科学基金资助项目(51105330);海洋可再生能源专项资金资助项目(GHME2010ZC03).

通讯作者: 刘宏伟,男,博士后,助理研究员.     E-mail: zju000@163.com
作者简介: 石茂顺(1986-),男,博士生,从事新能源的开发利用方面的研究.E-mail:shimaoshun@163.com
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引用本文:

石茂顺,李伟,刘宏伟,林勇刚,徐全坤. 基于最大功率跟踪控制的海流发电能量管理系统[J]. J4, 2013, 47(5): 750-754.

SHI Mao-shun, LI Wei, LIU Hong-wei, LIN Yong-gang, XU Quan-kun. Tidal current power management system with MPPT . J4, 2013, 47(5): 750-754.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2013.05.002        http://www.zjujournals.com/eng/CN/Y2013/V47/I5/750

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