由于传统的光伏太阳能发电系统的最大功率点跟踪(Maximun Power Point Tracking,MPPT)算法具有跟踪速度慢和不稳定等缺点,本文阐述了一种改进型的自动适配可变步长的跟踪算法,并在Matlab/Simulink下进行系统的仿真建模和分析,仿真结果...由于传统的光伏太阳能发电系统的最大功率点跟踪(Maximun Power Point Tracking,MPPT)算法具有跟踪速度慢和不稳定等缺点,本文阐述了一种改进型的自动适配可变步长的跟踪算法,并在Matlab/Simulink下进行系统的仿真建模和分析,仿真结果表明该算法在外界光照强度明显变化时能够快速准确的跟踪到系统的最大功率点,且能消除功率振荡现象。展开更多
The time-dependent formation of one-dimensional two-photon screening-photovoltaic(PV) grey spatial solitons under low-amplitude conditions is presented theoretically.The time-dependent propagation equation of two-phot...The time-dependent formation of one-dimensional two-photon screening-photovoltaic(PV) grey spatial solitons under low-amplitude conditions is presented theoretically.The time-dependent propagation equation of two-photon screeningphotovoltaic solitons is obtained by the numerical method.The results indicate that as the time evolves,the intensity width of grey screening-photovoltaic spatial solitons decreases monotonously to a minimum value towards the steady state.The higher the ratio of soliton peak intensity to the dark irradiation intensity,the narrower the width of grey solitons within the propagation time.展开更多
文摘由于传统的光伏太阳能发电系统的最大功率点跟踪(Maximun Power Point Tracking,MPPT)算法具有跟踪速度慢和不稳定等缺点,本文阐述了一种改进型的自动适配可变步长的跟踪算法,并在Matlab/Simulink下进行系统的仿真建模和分析,仿真结果表明该算法在外界光照强度明显变化时能够快速准确的跟踪到系统的最大功率点,且能消除功率振荡现象。
基金supported by the Science and Technology Development Foundation of Higher Education of Shanxi Province of China (No.200611042)
文摘The time-dependent formation of one-dimensional two-photon screening-photovoltaic(PV) grey spatial solitons under low-amplitude conditions is presented theoretically.The time-dependent propagation equation of two-photon screeningphotovoltaic solitons is obtained by the numerical method.The results indicate that as the time evolves,the intensity width of grey screening-photovoltaic spatial solitons decreases monotonously to a minimum value towards the steady state.The higher the ratio of soliton peak intensity to the dark irradiation intensity,the narrower the width of grey solitons within the propagation time.
