臺灣博碩士論文加值系統

本論文提出連續導通模式充電幫浦功因修正之改良米勒氏切換式磁阻馬達驅動器電路。當責任周期太大時，切換式磁阻馬達米勒驅動器會有線圈電流釋能慢的問題，而造成馬達產生負轉矩、增加功率損失以及效率低的問題。因此，本論文提出改良米勒氏切換式磁阻馬達驅動器可以解決切換式磁阻馬達米勒驅動器線圈電流釋能慢的問題，以減少負轉矩的產生和提升切換式磁阻馬達效率。
由於改良米勒氏切換式磁阻馬達驅動器可以跟充電幫浦功因修正電路結合，使得改良米勒氏切換式磁阻馬達驅動器輸入電流各次諧波皆可符合國際IEC Class-D 1000-3-2 規範。最後本文將設計及完成一個具連續導通模式充電幫浦功因修正之改良米勒氏切換式磁阻馬達驅動器，在經由實驗數據驗證本論文所提出之電路可達高功因、磁阻馬達驅動器線圈電流快速釋能、高效率及輸入電流各次諧波皆可符合國際IEC 1000-3-2 Class-D 的規範。

This paper presents a new improved Miller switched reluctance motor(SRM) driver with continuous- conduction-mode charge-pump power factor correction (CCM-CP-PFC). At high duty-cycle, the phase current of original Miller SRM driver discharges slowly, which causes large negative torque, high power losses and low electromechanical conversion efficiency. In order to solve this problem, this paper proposes a new improved Miller SRM driver using auxiliary inductor and capacitor achieves phase current to discharge quickly. Moreover, the input current harmonics of the improved Miller meet IEC 1000-3-2 Class-D standard by integrating CCM-CP-PFC with improved Miller SRM driver. Based on the derived analysis of the proposed CCM-CP-PFC
improved Miller SRM driver, the design and the implementation of a prototype circuit is provided to demonstrate the performance of the proposed SRM driver.

Chapter 1. Introduction 1
1.1.Background 1
1.2.Motivation 3
1.3.Outline of the thesis 7
Chapter 2. Improved Miller Driver for Switched-Reluctance Motors 8
2.1.Introduction 8
2.2.Operational Principle 10
2.3.Simplification of Auxiliary Circuit 15
2.4.Design Guidelines 16
2.5.Summary 21
Chapter 3. Continuous-Current-Mode Charge-Pump Power-Factor-Correction (CP-PFC) scheme 22
3.1.Introduction 22
3.2.Integration of CCM CP-PFC with Improved Miller Switched Reluctance Motor Driver 23
3.3.Operational Principle 27
3.4 Extend Circuit 33
3.5.Design Guidelines 34
3.6.Summary 36
Chapter 4. Implementation and Experimental Results 37
4.1.Introduction 37
4.2.Design and Implementation of Prototype Circuit 37
4.3.Experimental Results 40
4.4.Summary 50
Chapter 5. Conclusions and Future Works 51
References 53

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