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    Please use this identifier to cite or link to this item: http://ccur.lib.ccu.edu.tw/handle/A095B0000Q/415


    Title: 太陽能換流器之控制策略與諧波抑制研究;Research on Control Strategy and Harmonic Suppression of PV inverter
    Authors: 葉曜魁;YEH, YAO-KUEI
    Contributors: 電機工程研究所
    Keywords: 三相太陽能併網系統;換流器;諧波補償;PR控制器;准PR控制器;Three-phase grid-connected PV generation system;inverter;harmonic compensation;PR controller;quasi-PR controller
    Date: 2017
    Issue Date: 2019-07-17
    Publisher: 電機工程研究所
    Abstract: 本論文主要以三相太陽能併網發電系統的控制策略為研究對象,分析其操作原理並建立數學模型,針對太陽能電池模組的最大功率點跟蹤方法、併網發電系統的控制策略以及併網換流器得濾波器設計原理等問題進行各方面的探討。一開始本論文根據太陽能電池的電氣特性以及太陽能電池模組在不同的光照強度和環境溫度下的輸出特性,使用實際的太陽能模組的參數資料作驗證。也分別對目前幾種經典的最大功率跟蹤方法的動作原理作介紹。接著分析了三相太陽能併網換流器的工作原理和拓墣架構,以並網換流器的濾波器為切入點,建立三相太陽能併網換流器的狀態空間數學模型,以利於第四章研究不同的三相太陽能併網換流器控制方法。在控制方法上,分別針對PI和PR控制器的原理,透過應用至換流器中的控制架構與轉移函數對其作分析,並根據PR控制器的特性介紹的新型的准PR控制器。准PR控制器也能應用在抑制電網諧波,然而傳統架構上的准PR控制器諧波補償效果並不佳,因此提出了一種改良式的准PR控制器諧波補償架構。 最後在Matlab/Simulink中建立了三相太陽能併網發電系統,並透過模擬驗證前述PI和PR控制器的特性,以及其併網效果。也驗證了改良式的諧波補償,比起傳統的補償架構有更良好的效果。
    In this thesis, the control strategy of three-phase grid-connected PV power generation system is the main research object, and establish the mathematical model to analyze its principle. The maximum power point tracking method of solar cell module, control strategy of grid-connected power generation system and the designing principle of grid-connected inverter filter are also discussed.At the beginning of this thesis, according to the electrical characteristics of solar cells, using the actual solar module parameters to verify the output characteristics of PV array in different irradiation and ambient temperature. And also introduces the operating principle of several classic maximum power tracking method.Then, the working principle and topology of the three-phase grid-connected PV inverter is analyzed to establish the state space mathematical model. In the control method, through the application of the inverter control structure and transfer function to analyze the principle of PI and PR controller. According to the characteristics of the PR controller, a new type of quasi-PR controller is introduced. The quasi-PR controller can also be used to suppress the harmonics of the power grid. However, the harmonic compensation effect of the PR controller on the normal structure is not well. Therefore, an improved quasi-PR controller harmonic compensation structure is proposed.Finally, a three-phase grid-connected PV generation system is established in Matlab/ Simulink, and the characteristics of the PI and PR controllers are verified by the simulation. Also verified the improved harmonic compensation with a better effect on the harmonics compression which compared to the normal one.
    Appears in Collections:[電機工程研究所] 學位論文

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