TABLE OF CONTENTS CHAPTER NO. TITLE PAGE NO. LIST OF TABLES LIST OF FIGURES LIST OF SYMBOLS AND ABBREVIATIONS

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1 vii TABLE OF CONTENTS CHAPTER NO. TITLE PAGE NO. ABSTRACT LIST OF TABLES LIST OF FIGURES LIST OF SYMBOLS AND ABBREVIATIONS iii xii xiii xxi 1 INTRODUCTION GENERAL LITERATURE SURVEY OBJECTIVES OF THE RESEARCH ORGANIZATION OF THE THESIS CONCLUSION 22 2 POWER FACTOR CORRECTION CONVERTERS GENERAL CONTROL SCHEME FOR THE PFC CONVERTER BASED PMBLDC MOTOR VOLTAGE SOURCE INVERTER FED BLDC MOTOR PFC CONVERTER TOPOLOGIES Boost Converter Flyback Converter Forward Converter Half Bridge Converter Buck Boost Converter Zeta Converter 42

2 viii CHAPTER NO. TITLE PAGE NO SEPIC Converter Cuk Converter Bridgeless Cuk Converter CONCLUSION 46 3 PFC BRIDGELESS BOOST CONVERTER FED PMBLDC MOTOR GENERAL VSI FED BLDC MOTOR PRINCIPLE OF THE BRIDGELESS TOPOLOGY TYPES OF CONTROL TECHNIQUES OF PMBLDC MOTOR MATHEMATICAL MODEL OF THE PMBLDC MOTOR SIMULATION RESULTS PMBLDC Motor fed from a VSI with PFC Full Bridge Converter PMBLDC Motor fed from a VSI with Input L-Filter PMBLDC Motor fed from a VSI with Input T-Filter PMBLDC Motor fed from a VSI with PFC Boost Converter PMBLDC Motor fed from a Bridgeless Boost Converter 68

3 ix CHAPTER NO. TITLE PAGE NO Closed Loop Controlled PMBLDC Motor fed from the PFC Bridgeless Boost Converter EXPERIMENTAL RESULTS Hardware Implementation of the VSI fed PMBLDC Motor with input T-Filter Motor with Input T-Filter Hardware Implementation of the PFC Bridgeless Boost Converter fed BLDC Motor CONCLUSION 77 4 PFC BUCK-BOOST CONVERTER FED PMBLDC MOTOR GENERAL MATHEMATICAL MODEL OF THE PFC BUCK-BOOST CONVERTER SIMULATION RESULTS PMBLDC Motor fed from the PFC Buck-Boost Converter EXPERIMENTAL RESULTS CONCLUSION 89 5 PFC ZETA CONVERTER FED PMBLDC MOTOR GENERAL PRINCIPLE OF THE ZETA CONVERTER TOPOLOGY Operating Modes 91

4 x CHAPTER NO. TITLE PAGE NO. 5.3 MATHEMATICAL MODEL OF THE PFC ZETA CONVERTER PMBLDC MOTOR FED FROM A VOLTAGE SOURCE INVERTER WITH THE PFC ZETA CONVERTER SIMULATION RESULTS Open Loop System of the Zeta Converter fed PMBLDC Motor Closed Loop System of the Zeta Converter fed PMBLDC Motor EXPERIMENTAL RESULTS CONCLUSION BRIDGELESS PFC CUK CONVERTER FED PMBLDC MOTOR GENERAL PRINCIPLE OF THE BRIDGELESS CUK CONVERTER TOPOLOGY SIMULATION RESULTS PMBLDC Motor fed from a bridgeless PFC Cuk Converter EXPERIMENTAL RESULTS CONCLUSION CONCLUSION CONCLUSION PERFORMANCE OF THE PMBLDC DRIVE FED WITH PFC CONVERTERS 120

5 xi CHAPTER NO. TITLE PAGE NO PFC Bridgeless Boost Converter PFC Buck-Boost Converter PFC Zeta Converter PFC Bridgeless Cuk Converter SCOPE FOR FURTHER WORK 125 APPENDIX A 127 APPENDIX B 145 APPENDIX C 152 APPENDIX D 163 REFERENCES 166 LIST OF PUBLICATIONS 173

6 xii LIST OF TABLES TABLE NO. TITLE PAGE NO. 2.1 Output of the electronic commutator based on the signals from Hall Effect Sensor Differences between conventional PFC and bridgeless PFC Comparison of THD of various PFC converter fed PMBLDC drives 125

7 xiii LIST OF FIGURES FIGURE NO. TITLE PAGE NO. 2.1 Schematic of the PFC converter fed PMBLDC drive VSI fed BLDC motor Input voltage and current waveforms of the VSI fed BLDC motor VSI with input L-filter fed BLDC motor Voltage and Current of the VSI fed PMBLDC Motor with L-Filter VSI fed BLDC motor with input T-filter Voltage and Current of the VSI fed PMBLDC Motor with T-Filter Principle of PFC Boost Converter Boost PFC Converter Fly back Converter Driving pulses and Input Current Input V-I Characteristics Forward Converter Bridgeless Boost Converter Input Current and Voltage Waveforms PFC Buck-Boost Converter Topology Input voltage and current waveforms Zeta Converter Source Voltage and Current waveforms of the Zeta Converter 43

8 xiv FIGURE NO. TITLE PAGE NO SEPIC Converter Cuk Converter Current Waveforms Input V-I characteristics of the basic Cuk converter operating in DCM Topology of the Bridgeless Cuk Converter Input voltage and current waveforms Conventional Boost Converters Bridgeless Boost Converters Circuit Model of the Motor VSI fed BLDC motor with the capacitor filter Input voltage and current waveforms of the VSI fed BLDC motor Variation of the Rotor Speed Line Spectrum of the Output Voltage VSI fed BLDC motor with input L-filter Input voltage and current waveforms Speed Response FFT Analysis VSI fed BLDC motor with an input T-filter Input current and voltage waveforms Speed Response Frequency Spectrum of the output Voltage Closed Loop model of the PFC boost 65 converter fed PMBLDC Motor 3.17 Input voltage and current waveforms 65

9 xv FIGURE NO. TITLE PAGE NO Phase Voltages applied to the stator windings Stator current waveforms Back EMF Step Change in Load Torque applied at t= 0.6 sec Speed Response Curve PFC Bridgeless boost converter fed PMBLDC motor under an Open Loop Input voltage and current waveforms Closed Loop Speed Control of PMBLDC Motor with PFC Half Bridge Converter Input voltage and current waveforms Back EMF Step change in load torque applied at t=0.6 sec Speed Response Curve Frequency Spectrum for the Output Voltage Hardware Implementation of the Drive System with the T-filter Input Voltage and Current waveforms Top View of the hardware Experimental setup Source voltage and current waveforms PFC buck boost converter topology Buck-boost Converter 84

10 xvi FIGURE NO. TITLE PAGE NO. 4.3 Closed Loop Speed Control of PMBLDC Motor with PFC buck-boost Converter Input voltage and current Step Change in the load torque applied at t=1 sec Speed Response Curve FFT Analysis of the source current Top View of the hardware Experimental Setup Voltage and current waveforms Harmonic Spectrum of the Source Voltage Circuit of the zeta converter Mode 1 of the Zeta converter Mode 2 of the Zeta converter Equivalent circuit of the Zeta converter Simulation Circuit of the open loop system Input voltage and current of the open loop system Phase Voltage applied to the stator Stator current waveforms FFT Analysis of the input current Simulation Circuit of the Closed loop System Input voltage and current of the closed loop system Waveforms of Phase Voltage applied to the stator 99

11 xvii FIGURE NO. TITLE PAGE NO Stator current Waveforms Step Change in the load torque applied at t=1 sec Speed Response FFT Analysis of the Current Top View of the hardware Experimental setup Input voltage and current waveforms Conventional Cuk Topology Bridgeless Cuk Converter topology Bridgeless Cuk Converter Circuit Closed Loop Speed Control of PMBLDC Motor with the Bridgeless PFC Cuk Converter Input voltage and current waveforms Switching pulses for bridgeless Cuk Converter Step Change in load torque applied at t=1 sec Speed Response FFT Analysis of the source current Experimental setup Bridgeless Cuk converter board Inverter and BLDC Drive board Input Voltage and Input Current waveforms Harmonic Spectrum of source voltage 117

12 xviii FIGURE NO. TITLE PAGE NO. 7.1 Input Voltage and Current Waveforms for the Bridgeless Boost Converter FFT Analysis for the bridgeless Boost Converter Input Voltage and Current Waveforms for the Buck- Boost Converter System FFT Analysis of a buck-boost Converter Input Voltage and Current Waveforms of the Zeta Converter System FFT Analysis of a Zeta Converter Input Voltage and Current Waveforms of a Bridgeless Cuk Converter FFT Analysis with bridgeless Cuk Converter 124 A.1 Power circuit 127 A.2 Block Diagram of PIC16F84A 131 A.3 Pin Diagram of PIC16F84A 131 A.4 Optocouplers 139 A.5 Pin Diagram of IR2110/DIP A.6 Wiring Diagram of PIC16F84A 143 A.7 Wiring Diagram of PIC16F B.1 Data Sheet of CD4071BC 147 B.2 Data Sheet of FR301 thru FR B.3 Data Sheet of NPN Transistor 2N2222; 2N2222A 149 B.4 Data Sheet of IRF540,IRF540S 150 B.5 Data Sheet of LM

13 xix FIGURE NO. TITLE PAGE NO. C.1 Construction and Circuit Diagram 153 C.2 Pin Diagram of MCT2/MCT2E 154 C.3 Pin Connection of MC C.4 Simplified Outline and Symbol 157 C.5 Dual-In Line Package 158 C.6 Symbol of MOSFET 159 C.7 Comparator 161 D.1 Overall Block Diagram of buck-boost converter fed PMBLDC Drive 163 D.2 Control Board 163 D.3 Control Circuit using MCT 2E 164 D.4 Control Circuit using Op-Amp 165

14 xx LIST OF SYMBOLS AND ABBREVIATIONS Symbols r - Angular Velocity in rad/sec p - Derivative d/dt D - Duty Cycle B - Friction Coefficient J - Moment of Inertia M - Mutual Inductance P - Number of poles - Rotor Position in rad L - Self Inductance Abbreviations µf - microfarad µsec - microseconds A - ampere AC - Alternating Current ADC - Analog Digital Converter ANFIS - Adaptive Neuro Fuzzy Inference System ASIC - Application Specific Integrated Circuit BBC - Buck-Boost Converter BLDC - Brushless DC BLPFC - Bridgeless Power Factor Correction CCM - Continuous Conduction Mode CISC - Complex Instruction Set Computer CMOS - Complementary metal oxide semiconductor CSC - Canonical Switching Cell

15 xxi DC - Direct Current DCM - Discontinuous Conduction Mode e a, e b, e c - Induced EMFs in phase respectively EEPROM - Electrically Erasable Programmable Read-Only Memory EMF - Electro Motive Force EMI - Electromagnetic Interference FFT - Fast Fourier Transform GA - Genetic Algorithm i a, i b, i c - Stator Currents in phase respectively IGBT - Insulated-Gate Bipolar Transistor IGBT - Insulated-Gate Bipolar Transistor IPM-BLDC - Interior Permanent Magnet-BLDC khz - Kilohertz LED - Light Emitting Diode MATLAB - Matrix Laboratory mh - millihenry MOSFET - Metal Oxide Semiconductor Field-Effect Transistor PFC - Power Factor Correction PI - Proportional-Integral PIC - Peripheral Interface Controller PID - Proportional-Integral Derivative PLL - Phase Locked Loop PMBLDCM - Permanent Magnet Brushless DC Motor PMSM - Permanent Magnet Synchronous Motor PV array - Photovoltaic array PWM - Pulse Width Modulation RAM - Random Access Memory RISC - Reduced Instruction Set Computing RMS - Root Mean Square SEPIC - Single-Ended Primary Inductor Converter SMPS - Switching Mode Power Supply

16 xxii TCP/IP - Transmission Control Protocol/Internet Protocol THD - Total Harmonic Distortion TTL - Transistor-Transistor Logic V - voltage VAr - Volt Ampere reactive VSI - Voltage Source Inverter ZCS - Zero-Current Switching

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