臺灣博碩士論文加值系統

本文主旨在建立一套含有功率因數調整的磁阻馬達驅動控制系統。前級採
用單相升壓型AC-DC 轉換器，快速穩定的輸出直流電壓供變頻器使用。而變頻
器驅動開關式磁阻馬達，以完成轉速控制。由DSP TMS320F2812 控制最佳的
AC-DC 轉換器的功率開關切換時間，以獲得高功率因數與快速穩定的輸出電
壓。此控制器是由電流、電壓迴圈與負載電流注入法所組成，其增益是透過波
德圖設計法則所決定。本文提出的系統數學模式，已由Matlab/PSIM 建立與模
擬，以評估系統之效能。最後，使用數位信號處理器TMS320F2812 做為控制器
核心，經由電流與電壓控制器提供脈寬調變訊號做為前級單相升壓型AC-DC 轉
換器的開關切換控制之用。經由實驗的結果證實所提出的系統架構確實具有提
高功率因數、提高轉換效率以及降低電流諧波。
本論文所研製的磁阻馬達之功率因數修正器的規格包含：一輸入電壓為
110±15%伏特，輸出電壓為200 伏特及最大輸出功率為600 瓦特。以數位信號
處理器TMS320F2812 為基礎來設計與實現，由實驗結果顯示當輸入交流電壓在
90 伏特至120 伏特範圍內，在滿載時功率因數皆可高達0.90 以上，效率皆可達
96%以上。

The purpose of this thesis is to build a single phase BOOST type Power
Factor Corrector in order to a speed control system of a SRM motor driver. The front
stage employs a single-phase boost type AC/DC converter, which provides the
inverter stage with steady DC voltage. Then, a SRM motor is driven by the inverter
to accomplish the motion control. The AC-DC converter control the perfect duty of
power switch, so that the low-distortion and high-power-factor line current is
obtained. The controller consists of current, voltage loop and load-current injection
with parameters determined through Bode plot method. The model of the proposed
system has been established and simulated by Matlab/PSIM. The system is
implemented by the digital signal processor (TMS320F2812). This controller
supplies pulse-width modulation signals to the power switches of PFC stages, and
handles the PWM command and feedback current and voltage signal. Both the
simulation and experimental results are obtained to show the proposed system.
The specifications of a single-phase boost type PFC include: input voltage =
110±15%, output voltage = 200 V, and maximum output power = 600W. The single
phase BOOST type PFC is implemented using the TI DSP
(TMS320F2812) .Experimental results show that the power factor reaches 0.9 under
full load condition and efficiency is up to 96% as input voltage varied.

中文摘要 .................................................................................................... i
英文摘要 .................................................................................................... ii
誌謝 ........................................................................................................... iii
目錄 ........................................................................................................... iv
表目錄 ....................................................................................................... vi
圖目錄 ....................................................................................................... vii
第一章 緒論 ............................................................................................ 1
1.1 研究背景與動機 ....................................................................... 1
1.2 文獻回顧 ................................................................................... 3
1.2.1 消除漣波電壓技術........................................................ 3
1.2.2 單相昇壓型交-直流轉換器 ........................................... 6
1.2.3 負載電流預測法與磁阻馬達控制 ................................. 9
1.3 研究目的 ................................................................................... 10
1.4 論文架構 ................................................................................... 11
第二章 功率因數修正電路 ..................................................................... 12
2.1 功率因數與諧波失真 ................................................................ 12
2.2 被動式功因修正 ....................................................................... 15
2.3 主動式功因修正 ....................................................................... 16
2.4 回授控制器 ............................................................................... 18
2.5 電流控制方法 ........................................................................... 21
2.6 電感電流操作模式 .................................................................... 24
第三章 單相BOOST 功率因數修正器設計 ........................................... 25
3.1 電路設計及運作原理 ................................................................ 25
3.2 電路分析 ................................................................................... 28
3.3 電路元件選擇與設計 ................................................................ 35
3.4 補償器設計 ............................................................................... 37
3.4.1 電流控制補償器設計 .................................................... 37
3.4.2 電壓控制補償器設計 .................................................... 39
3.5 負載電流注入因數設計 ............................................................ 40
第四章 硬體架構與實驗結果 ................................................................. 43
4.1 TMS320C28x 系列晶片的結構及性能 ..................................... 43
4.2 硬體電路設計 ........................................................................... 45
4.3 軟體程式規劃 ........................................................................... 49
4.4 實驗結果 ................................................................................... 52
第五章 結論與未來展望 ......................................................................... 65
5.1 結論 ........................................................................................... 65
5.2 未來的研究方向 ....................................................................... 66
參考文獻 .................................................................................................... 68
附錄
A 符號彙編 ....................................................................................... 71
B 作者簡介 ....................................................................................... 73

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