本文選題：潮流能發(fā)電 + 監(jiān)測系統(tǒng)�。� 參考：《浙江大學(xué)》2017年碩士論文

【摘要】：在當(dāng)前能源危機(jī)的形勢下,傳統(tǒng)能源使用中存在的各種問題越來越突顯并得到廣泛的關(guān)注,人類逐漸著手開發(fā)利用可再生清潔能源解決上述問題。其中,對潮流能的利用在近年受到越來越多的關(guān)注,逐漸成為國內(nèi)外的研究熱點,并得到了快速的發(fā)展,目前在國內(nèi)外已經(jīng)有多臺機(jī)組進(jìn)行了試運行。但是在潮流能機(jī)組實際運行過程中,發(fā)現(xiàn)機(jī)組葉輪在水下環(huán)境中受到的實際載荷經(jīng)常會超過額定載荷,從而造成葉片N失、折斷等現(xiàn)象,因此需要設(shè)計裝置實時監(jiān)測機(jī)組葉輪上的各狀態(tài)信號,并以此為基礎(chǔ)研究合理的方式對機(jī)組葉輪進(jìn)行保護(hù)。本文基于實驗室研究需要,設(shè)計了潮流能機(jī)組葉輪監(jiān)測系統(tǒng),并以該系統(tǒng)為基礎(chǔ)提出了葉輪載荷控制策略。文章的主要內(nèi)容如下:第一章歸納并總結(jié)了國內(nèi)外潮流能發(fā)電裝置的主要研究進(jìn)展,著重介紹了葉輪監(jiān)測系統(tǒng)以及葉輪載荷控制的研究現(xiàn)狀,并基于現(xiàn)狀提出了本文的研究內(nèi)容與意義。第二章分別從潮流能機(jī)組葉片、變槳距機(jī)構(gòu)等不同結(jié)構(gòu)出發(fā)分析機(jī)組葉輪部分的各類狀態(tài),并設(shè)計各狀態(tài)信號的獲取方式以及傳感器安裝方案。第三章根據(jù)潮流能機(jī)組葉輪監(jiān)測的實際需求進(jìn)行潮流能機(jī)組狀態(tài)監(jiān)測系統(tǒng)的設(shè)計。對系統(tǒng)硬件部分的數(shù)據(jù)處理模塊、數(shù)據(jù)采集模塊、數(shù)據(jù)傳輸模塊進(jìn)行了硬件選型設(shè)計,并編寫了相對應(yīng)的數(shù)據(jù)處理程序以及在Labview上位機(jī)程序。第四章搭建了潮流能機(jī)組葉輪監(jiān)測系統(tǒng)的測試系統(tǒng),并在海洋環(huán)境中對系統(tǒng)的數(shù)據(jù)采集能力以及數(shù)據(jù)傳輸能力進(jìn)行了不同流速以及距離條件下的實際測試。第五章對潮流能機(jī)組葉輪所受不同來源的載荷進(jìn)行分析得到不同載荷對機(jī)組的影響,并以潮流能機(jī)組葉輪監(jiān)測系統(tǒng)為基礎(chǔ),針對不同類型的載荷設(shè)計應(yīng)對方案,提出了一種基于多點載荷監(jiān)測的潮流能機(jī)組載荷控制策略,并進(jìn)行仿真驗證。第六章對本文所做的工作進(jìn)行了總結(jié),并提出了課題后續(xù)的研究重點。
[Abstract]:Under the current situation of energy crisis, the problems existing in the traditional energy use have become more and more prominent and have been paid more and more attention, so human beings have gradually begun to develop and use renewable clean energy to solve the above problems. Among them, more and more attention has been paid to the utilization of power flow energy in recent years, which has gradually become the research hotspot at home and abroad, and has been rapidly developed. However, during the actual operation of the power flow energy unit, it is found that the actual load on the turbine impeller often exceeds the rated load in the underwater environment, resulting in the loss of N and the breakage of the blade. Therefore, it is necessary to design a device to monitor the state signals on the turbine impeller in real time, and to protect the impeller in a reasonable way. Based on the need of laboratory research, the impeller monitoring system of power flow energy unit is designed in this paper, and the load control strategy of impeller is put forward based on the system. The main contents of this paper are as follows: in the first chapter, the main research progress of domestic and international tidal current power generation equipment is summarized, and the research status of impeller monitoring system and impeller load control is emphatically introduced. Based on the present situation, the research content and significance of this paper are put forward. In the second chapter, the various states of the impeller part of the unit are analyzed from different structures such as the blade of the power flow energy unit and the pitch mechanism of the variable propeller, and the acquisition methods of each state signal and the installation scheme of the sensor are designed. The third chapter designs the condition monitoring system of power flow unit according to the actual demand of impeller monitoring. The data processing module, data acquisition module and data transmission module of the hardware part of the system are designed, and the corresponding data processing program and the upper computer program in LabVIEW are written. In chapter 4, the testing system of the impeller monitoring system of tidal current energy unit is built, and the data acquisition ability and data transmission ability of the system are tested in the marine environment under different velocity and distance. In the fifth chapter, the influence of different loads on the turbine is obtained by analyzing the load from different sources of the impeller of the power flow unit, and based on the monitoring system of the impeller of the power flow unit, the corresponding scheme is designed for different types of loads. A load control strategy based on multi-point load monitoring for power flow generator is proposed and verified by simulation. The sixth chapter summarizes the work done in this paper, and puts forward the following research focus.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：P743;P742

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本文編號：2002196