本文關(guān)鍵詞： SPWM 微型逆變器 MOSFET SA4828 MATLAB　出處：《河北科技大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：本文主要論述了基于單片機(jī)驅(qū)動控制太陽能電池板微型逆變電源的基本原理、結(jié)構(gòu)和設(shè)計過程,利用仿真工具軟件對所設(shè)計的電路進(jìn)行仿真,驗(yàn)證電路的可行性。本文設(shè)計的微型逆變電源輸出為220V且頻率為50HZ的正弦波。在設(shè)計中,采用SPWM逆變控制技術(shù),單片機(jī)AT89C51控制的SA4828芯片輸出SPWM波,經(jīng)驅(qū)動模塊驅(qū)動以MOSFET為開關(guān)元件的電壓型逆變電路,從而把直流電壓逆變成穩(wěn)定的交流電壓。在本文中,我們首先對電源主電路進(jìn)行分析與設(shè)計,然后對SA4828三相SPWM波發(fā)生器的使用和編程進(jìn)行了介紹,還對升壓和逆變電路進(jìn)行了介紹,另外,還討論了MOSFET驅(qū)動電路、系統(tǒng)的檢測電路、顯示電路,同時分析了系統(tǒng)的軟件設(shè)計過程。利用MATLAB仿真軟件進(jìn)行系統(tǒng)的仿真測試和實(shí)驗(yàn),分別對系統(tǒng)的主電路部分、控制部分和測量部分進(jìn)行仿真實(shí)驗(yàn),并分析實(shí)驗(yàn)結(jié)果,以檢驗(yàn)系統(tǒng)的穩(wěn)定性,參數(shù)選擇的準(zhǔn)確性。
[Abstract]:This paper mainly discusses the basic principle, structure and design process of the micro inverter power supply for solar panel driven by single chip computer, and simulates the designed circuit by using the simulation tool software. The feasibility of the circuit is verified. In this paper, the output of the miniature inverter power supply is 220 V and the frequency is 50 Hz. In the design, the SA4828 chip controlled by AT89C51 is used to output the SPWM wave, and the SPWM inverter control technology is used in the design. In this paper, we first analyze and design the main circuit of the power supply, which is driven by the driving module to drive the voltage type inverter circuit with MOSFET as the switch element, so that the DC voltage is reversed to a stable AC voltage. Then the use and programming of SA4828 three-phase SPWM wave generator are introduced, and the boost and inverter circuits are also introduced. In addition, the MOSFET drive circuit, system detection circuit and display circuit are also discussed. At the same time, the software design process of the system is analyzed. The simulation test and experiment of the system are carried out by using the MATLAB simulation software. The main circuit part, the control part and the measurement part of the system are simulated respectively, and the experimental results are analyzed. To verify the stability of the system, the accuracy of parameter selection.
【學(xué)位授予單位】：河北科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM914.4

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