太阳能水下航行器光伏系统MPPT控制仿真研究  

Simulation of Variable Step Perturbation MPPT Method for Photovoltaic System of Solar Powered Autonomous Underwater Vehicle

作　　者：张谋[1] 党建军[1] 王家军[1] 

机构地区：[1]西北工业大学航海学院,陕西西安710072

出　　处：《机械与电子》2010年第12期32-35,共4页Machinery & Electronics

摘　　要：通过光伏电池的简化模型,研究了光伏电池的输出特性,并分析了BUCK斩波电路寻找最大功率点的实现原理.提出了变步长扰动MPPT策略,并在Matlab仿真环境中开发了带有此策略的仿真模型.利用此模型进行计算机仿真,结果表明,太阳能水下航行器光伏系统变步长MPPT控制,能够准确地跟踪太阳能电池的最大功率点,提高了太阳能电池利用效率.Study the output characteristics of photovoltaic cells through the simplified model of photovoltaic cells,and analyze implementation principle of BUCK chopper looking for the maximum power point.The paper presents a variable step perturbation MPPT method,and a simulation model with this method is developed under Matlab environment.The model includes photovoltaic cells model,maximum power point tracking（MPPT） model.By using of this model,computer simulation has been carried out.The results show that variable step MPPT control of solar powered autonomous underwater vehicle（SAUV） can accurately track the solar cell maximum power point and increase solar cell efficiency.

关 键 词：太阳能水下航行器 光伏电池 最大功率点跟踪 MATLAB仿真 

分 类 号：TJ630.2[兵器科学与技术—武器系统与运用工程]