發(fā)布時(shí)間：2018-03-15 18:43

  本文選題：戶(hù)用光伏　切入點(diǎn)：能源管理　出處：《安徽理工大學(xué)》2017年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：戶(hù)用光伏儲(chǔ)能系統(tǒng)中,如何實(shí)現(xiàn)對(duì)戶(hù)用光伏電池、儲(chǔ)能電池、戶(hù)用負(fù)載和交流電網(wǎng)的運(yùn)行狀態(tài)及主要參數(shù)的監(jiān)測(cè)、控制和保護(hù),如何協(xié)調(diào)好戶(hù)用光伏電池、儲(chǔ)能電池、戶(hù)用負(fù)載和交流電網(wǎng)之間能量的合理調(diào)配,研究戶(hù)用光伏儲(chǔ)能系統(tǒng)的能源管理裝置具有重要意義。本文闡述課題研究背景、研究目的與研究意義,對(duì)國(guó)內(nèi)外能源管理裝置的發(fā)展及研究現(xiàn)狀做了具體分析。闡述能源管理裝置的功能,控制方案及工作原理,確定能源管理裝置的總體架構(gòu)。在硬件平臺(tái)設(shè)計(jì)上,選用ARM11系列的S3C6410作為核心控制器,硬件平臺(tái)電路設(shè)計(jì)主要包括電源接口電路、USB接口電路、通信接口電路、SD Card接口電路、LCD電容觸摸屏接口電路。對(duì)于能源管理裝置軟件平臺(tái),本文采用嵌入式linux操作系統(tǒng)和Qt作為軟件開(kāi)發(fā)平臺(tái),進(jìn)行宿主機(jī)平臺(tái)搭建及嵌入式linux操作系統(tǒng)移植,選用SQlite作為能源管理裝置的后臺(tái)數(shù)據(jù)庫(kù),使能源管理裝置具有數(shù)據(jù)存儲(chǔ)的功能。能源管理裝置采用的通信傳輸方式有RS232、RS485、SX1278及以太網(wǎng)。其中RS232主要實(shí)現(xiàn)能源管理裝置與戶(hù)用負(fù)載參數(shù)的數(shù)據(jù)通信;RS485主要實(shí)現(xiàn)能源管理裝置與外界環(huán)境參數(shù)、戶(hù)用光伏電池參數(shù)及交流電網(wǎng)參數(shù)的數(shù)據(jù)通信;SX1278主要實(shí)現(xiàn)能源管理裝置與儲(chǔ)能電池參數(shù)的數(shù)據(jù)通信;以太網(wǎng)主要實(shí)現(xiàn)能源管理裝置與上位機(jī)的數(shù)據(jù)通信。選用Qt軟件設(shè)計(jì)能源管理裝置應(yīng)用程序及人機(jī)界面,能源管理裝置應(yīng)用程序交叉編譯移植到硬件平臺(tái),在實(shí)驗(yàn)室搭建能源管理裝置硬件測(cè)試平臺(tái),進(jìn)行功能測(cè)試。測(cè)試表明,滿(mǎn)足系統(tǒng)設(shè)計(jì)要求。該能源管理裝置具有體積小、功耗低、操作方便等特點(diǎn),具有很好的市場(chǎng)應(yīng)用前景。
[Abstract]:In the household photovoltaic energy storage system, how to monitor, control and protect the operating state and main parameters of household photovoltaic cells, energy storage cells, household loads and AC power grids, how to coordinate household photovoltaic cells and energy storage cells, It is of great significance to study the energy management device of household photovoltaic energy storage system due to the rational allocation of energy between household load and AC power grid. The development and research status of energy management devices at home and abroad are analyzed in detail. The functions, control schemes and working principles of energy management devices are expounded, and the overall structure of energy management devices is determined. The S3C6410 of ARM11 series is selected as the core controller. The circuit design of hardware platform mainly includes power supply interface circuit and USB interface circuit, communication interface circuit and SD Card interface circuit and LCD capacitive touch screen interface circuit. In this paper, the embedded linux operating system and QT are used as the software development platform, the host platform is built and the embedded linux operating system is transplanted, and SQlite is chosen as the backstage database of the energy management device. The energy management device has the function of data storage. The communication mode used in the energy management device is RS232, RS485, SX1278 and Ethernet. Among them, RS232 mainly realizes the data communication between energy management device and household load parameter. RS485 mainly realizes the energy management device. Source management device and external environmental parameters, The data communication between energy management device and energy storage battery parameters is mainly realized in the data communication of household photovoltaic cell parameters and AC grid parameters. Ethernet mainly realizes the data communication between the energy management device and the upper computer. The QT software is used to design the energy management device application program and the man-machine interface, and the energy management device application program is cross-compiled and transplanted to the hardware platform. The hardware test platform of the energy management device is built in the laboratory and the function test is carried out. The test results show that the energy management device meets the requirements of the system design. The energy management device has the characteristics of small volume, low power consumption, convenient operation and so on. It has a good market application prospect.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TM615;TP311.52

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