本文選題：戶用光伏電站 + 監(jiān)控系統(tǒng)��； 參考：《曲阜師范大學(xué)》2014年碩士論文

【摘要】：太陽能是資源最豐富的可再生能源之一，光伏發(fā)電技術(shù)為利用太陽能提供了一個廣闊的舞臺。與核電、火電相比，光伏發(fā)電幅員遼闊，分布不集中，不利于監(jiān)測數(shù)據(jù)和統(tǒng)計數(shù)據(jù)。為了避免查看分布式光伏電站信息所帶來的人力物力財力浪費，保證光伏電站安全可靠運行，研究光伏電站監(jiān)控系統(tǒng)具有重要意義。 本文針對小型戶用光伏電站項目，設(shè)計了一套戶用光伏電站監(jiān)控系統(tǒng)，利用Delphi7.0軟件設(shè)計上位機人機交互界面，對現(xiàn)場采集的數(shù)據(jù)進(jìn)行顯示、統(tǒng)計和分類，并對故障信息做出報警提示，確保戶用光伏電站的安全運行。使用SQL Server2000數(shù)據(jù)庫存儲下位機傳送給上位機的數(shù)據(jù)。 本文主要工作如下： （1）闡述了本文的研究背景，，對國內(nèi)外光伏電站監(jiān)控系統(tǒng)的現(xiàn)狀和發(fā)展做了具體分析，闡述了本文的重要意義。 （2）介紹了開發(fā)環(huán)境和數(shù)據(jù)庫的選取，確定了本文所研究的戶用光伏電站監(jiān)控系統(tǒng)的功能需求和特點，給出系統(tǒng)的功能模塊圖，建立了數(shù)據(jù)庫系統(tǒng)。 （3）開發(fā)各個功能模塊的用戶界面。 （4）介紹了通信方式的選擇，制定了Modbus通信協(xié)議，利用Delphi串行通信控件Spcomm設(shè)計系統(tǒng)的通信模塊。 （5）進(jìn)行了系統(tǒng)功能性測試，實驗結(jié)果表明，本文所開發(fā)的戶用光伏電站監(jiān)控系統(tǒng)達(dá)到了預(yù)期目的，可通過RS-485總線進(jìn)行上下位機間通訊并實時顯示在上位機監(jiān)控界面中，驗證了設(shè)計的正確性和可行性。
[Abstract]:Solar energy is one of the most abundant renewable energy, photovoltaic technology provides a broad stage for the use of solar energy. Compared with nuclear power and thermal power, photovoltaic power generation is vast and not concentrated, which is not conducive to monitoring data and statistical data. In order to avoid the waste of manpower, material and financial resources brought by the distributed photovoltaic power station information, and to ensure the safe and reliable operation of photovoltaic power station, it is of great significance to study the monitoring system of photovoltaic power station. In this paper, a monitoring system of household photovoltaic power station is designed for the small household photovoltaic power station project. The man-machine interface of upper computer is designed by Delphi 7.0 software, and the data collected in the field are displayed, counted and classified. The fault information is alerted to ensure the safe operation of the household photovoltaic power station. SQL Server 2000 database is used to store the data transferred from the lower computer to the upper computer. The main work of this paper is as follows: (1) the research background of this paper is described, and the current situation and development of photovoltaic power station monitoring system at home and abroad are analyzed concretely. The important significance of this paper is expounded. (2) the selection of development environment and database is introduced, the functional requirements and characteristics of the monitoring system of household photovoltaic power station studied in this paper are determined, and the function module diagram of the system is given. The database system is established. (3) the user interface of each functional module is developed. (4) the choice of communication mode is introduced, and the Modbus communication protocol is established. Using Delphi serial communication control Spcomm to design the communication module of the system. (5) the functional test of the system is carried out. The experimental results show that the monitoring system of the household photovoltaic power station developed in this paper has achieved the expected purpose. The communication between upper and lower computers can be carried out by RS-485 bus, and it can be displayed in the monitor interface of upper computer in real time. The correctness and feasibility of the design are verified.
【學(xué)位授予單位】：曲阜師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM615;TP277

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