CHAPTER 1. INTRODUCTION 1
1.1. Background 1
1.2. Motivation 4
1.3. Thesis Outline 5
CHAPTER 2. DESIGN MAXIMUM POWER TRACKING PHOTOVOLTAIC CIRCUIT WITH BOUNDARY CONDUCTION MODE CONTROL BUCK-BOOST CONVERTER 6
2.1. Introduction 6
2.2. Characterizations of Solar-Cell Module 6
2.3. Maximum Power Points of Solar-Cell Module for Illumination and
Temperature Effects 13
2.4. Approximate Maximum-Power-Point Tracking Straight-Line Technology for
Photovoltaic System 17
2.5. Proposed MPP Tracking Circuit with BCM Control for Photovoltaic systems 21
2.5.1. Proposed BCM Non-Inverting Buck-Boost Converter 21
2.5.2. MPP of Solar-Cell Module Design with L6562 26
2.5.3. Temperature Compensation Circuit of Solar-Cell Module 33
2.6. Summary 41
CHAPTER 3. DESIGN OF WIDE LOAD-RANGE ZERO-VOLTAGE-SWITCHING
PHASE-SHIFT FULL-BRIDGE CHARGER 42
3.1. Introduction 42
3.2. Design Guideline of Proposed PSFB Charger Circuit 42
3.3. Analysis of Charger Methods 66
3.4. Summary 71
CHAPTER 4. IMPLEMENTATION AND EXPERIMENTAL RESULTS 72
4.1. Introduction 72
4.2. Implementation of Prototype Circuit 72
4.3. Experimental Results 73
4.3.1. MPPT Photovoltaic Circuit at Different Illumination Conditions 73
4.3.2. MPPT Photovoltaic Circuit at Different Temperature Conditions 77
4.3.3. PSFB Charger at different Load Conditions 79
4.4. Summary 84
CHAPTER 5. CONCLUSIONS AND FUTURE WORKS 85
REFERENCES ……………………………………………………………………… 87
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