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研究生:陳彥勳
研究生(外文):Yen-Shyun Chen
論文名稱:具有功率分配之變頻器模組並聯系統的研製
論文名稱(外文):Design and Implementation of Paralleled Multi-Inverter System with Power Distribution
指導教授:賴炎生
口試委員:林詠凱吳朱令黃明熙
口試日期:2012-07-18
學位類別:碩士
校院名稱:國立臺北科技大學
系所名稱:電機工程系研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:96
中文關鍵詞:功率分配直流/交流變頻器並聯系統
外文關鍵詞:Power DistributionDC/AC InverterParalleled multi-module
相關次數:
  • 被引用被引用:4
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本論文主要研製一具有功率分配之直流/交流變頻器模組的並聯系統,此系統主要包含兩台直流/交流變頻器、電壓控制器及功率分配之電流控制器;電壓控制迴路用以調節輸出電壓,而電流控制器則用以調節數位控制器所分配之電流命令,達到各級所分配的功率。
本文單相直流/交流變頻器,採用全橋式轉換器為變頻器之功率架構,開關切換方式採用單極性電壓切換技術,且利用Microchip公司之dsPIC30F2023作為控制核心,設計規格為輸入直流電壓400V,輸出交流電壓220 Vrms/60 Hz,開關切換頻率為9.6 kHz,系統的輸出額定功率為3000W。由模擬結果與硬體的實測驗證可知,本架構之直流/交流變頻器並聯系統,在輸入電壓400V及各負載條件下,系統效率高達97%以上,輸出電壓總諧波失真小於5%。


The main objective of this thesis is to design and implement a DC/AC paralleled multi-inverter system with power distribution control. The system consists of two paralleled DC/AC inverters, a voltage controller and current controller for each inverter module. The output voltage is controlled by voltage control loop and current command is assigned by digital controller while being regulated by current control loop for power distribution control.
The power stage of DC/AC inverter is designed with full-bridge topology. The power stage is controlled with unipolar switching technique. A Microchip dsPIC30F2023 is used as the control unit. The design specifications including: input DC voltage = 400 V, output voltage = 220 Vrms/60 Hz, switching frequency = 9.6 kHz, and rated power = 3000W. Simulation and experimental results will verify the power distribution control of the DC/AC paralleled multi-inverter system. It will be shown by experimental results that the system efficiency goes up to 97% with 400V DC input voltage under various load condition, and total output voltage harmonic distortion less than 5%.


目 錄

摘 要 i
ABSTRACT ii
誌 謝 iii
目 錄 iv
表目錄 vi
圖目錄 vii
符號彙編 xii
第一章 緒論 1
1.1 研究背景與動機 1
1.2 研究方法 3
1.3 論文大綱 4
第二章 單相變頻器與並聯原理 5
2.1 單相變頻器之基本架構 5
2.2 正弦脈波寬度調變技術 7
2.2.1 雙極性電壓調變 8
2.2.2 單極性電壓調變 10
2.3 單相全橋式變頻器小信號等效模型 13
2.4 變頻器並聯系統 20
2.4.1 並聯控制方法回顧 20
2.4.2 雙模組並聯控制策略 25
第三章 系統設計 28
3.1 輸出濾波器設計 29
3.1.1 輸出濾波器模型 29
3.1.2 輸出濾波器參數設計 32
3.2 數位控制器設計 40
3.2.1 電壓迴路控制器設計 40
3.2.2 電流比例分配中心與控制器設計 48
3.3 硬體電路設計 50
3.3.1 開關驅動電路 50
3.3.2 輸出電壓與電流回授電路 51
3.3.3 頻率偵測保護電路 52
3.4 系統軟體規劃 53
3.4.1 dsPIC30F2023特性簡介 54
3.4.2 程式規劃流程圖 62
第四章 模擬與實驗結果 65
4.1 單相變頻器模擬結果 65
4.2 雙模組並聯系統模擬結果 67
4.3 實測結果 73
第五章 結論與未來展望 91
5.1 結論 91
5.2 未來展望 91
參考文獻 92
附錄 96





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