Fundamentals of electric drives

Title Page
Copyright Page
Preface
Contents
Chapter 1: Elements of Electric Drive Systems
	1.1 Historical Background
	1.2 Basic Components of an Electric Drive System
		1.2.1 Mechanical Loads
		1.2.2 Electric Motors
		1.2.3 Power Sources
		1.2.4 Converters
		1.2.5 Controllers
Chapter 2: Introduction to Solid-State Devices
	2.1 Transistors
		2.1.1 Bipolar Transistor
		2.1.2 Field Effect Transistor (FET)
	2.2 Thyristors
		2.2.1 Four-Layer Diode
		2.2.2 Silicon-Controlled Rectifier
	2.3 Other Power Devices
		2.3.1 Darlington Transistor
		2.3.2 Insulated Gate Bipolar Transistor (IGBT)
	2.4 Ratings of Power Electronic Devices
	2.5 di/dt and dv/dt Protection
	Problems
Chapter 3: Introduction to Solid-State Switching Circuits
	3.1 Single-Phase, Half-Wave, ac/dc Conversion for Resistive Loads
		3.1.1 Root-Mean-Squares
		3.1.2 Electric Power
		3.1.3 dc Power
		3.1.4 Power Factor
	3.2 Single-Phase, Full-Wave, ac/dc Conversion for Resistive Loads
	3.3 Single-Phase, Half-Wave, ac/dc Conversion for Inductive Loads Without Freewheeling Diode
		3.3.1 Average Voltage Across Inductance and Resistance
		3.3.2 Average Power of Inductance
		3.3.3 RMS Voltage
	3.4 Single-Phase, Half-Wave, ac/dc Conversion for Inductive Loads with Freewheeling Diode
	3.5 Three-Phase, Half-Wave, ac/dc Conversion for Resistive Loads
	3.6 Three-Phase, Half-Wave, ac/dc Conversion for Inductive Loads
	3.7 Three-Phase, Full-Wave, ac/dc Conversion
	3.8 dc/dc Conversion
	3.9 dc/ac Conversion
		3.9.1 Single-Phase, dc/ac Converter
		3.9.2 Three-Phase dc/ac Converter
		3.9.3 Voltage, Frequency, and Sequence Control
		3.9.4 Pulse-Width Modulation (PWM)
	3.10 Energy Recovery Systems
		3.10.1 Charging Operation
		3.10.2 Discharging Operation
	3.11 Three-Phase Energy Recovery Systems
	3.12 Current Source Inverter
	3.13 Triggering Circuits
		3.13.1 Synchronization of Triggering Circuits
		3.13.2 Isolation of Triggering Circuits
	Problems
Chapter 4: Joint Speed-Torque Characteristics of Electric Motors and Mechanical Loads
	4.1 Bidirectional Electric Drive Systems
	4.2 Four-Quadrant Electric Drive Systems
	Problems
Chapter 5: Speed-Torque Characteristics of Electric Motors
	5.1 Brush-type dc Motors
		5.1.1 Separately Excited Motors
		5.1.2 Shunt Motors
		5.1.3 Series Motors
		5.1.4 Compound Motors
	5.2 Brushless dc Motor
		5.2.1 Unipolar BLDC Motor
		5.2.2 Bipolar BLDC Motor
		5.2.3 Model and Analysis of BLDC Motors
	5.3 Induction Motors
		5.3.1 Equivalent Circuit
		5.3.2 Power Flow
		5.3.3 Torque Characteristics
		5.3.4 Starting Procedure
	5.4 Synchronous Motors
		5.4.1 Reactive Power
		5.4.2 Power Flow
		5.4.3 Torque Characteristics
		5.4.4 Starting Procedure
	5.5 Damage to Electric Machines
	Problems
Chapter 6: Speed Control of Conventional and Brushless Direct Current Motors
	6.1 Speed Control of Conventional DC Shunt or Separately Excited Motors
		6.1.1 Controlling Speed by Adding Resistance
		6.1.2 Controlling Speed by Adjusting Armature Voltage
		6.1.3 Controlling Speed by Adjusting Field Voltage
		6.1.4 Solid-State Control
	6.2 Speed Control of Conventional DC Series Motors
		6.2.1 Controlling Speed by Adding Resistanceto the Armature Circuit
		6.2.2 Controlling Speed by Adjusting Armature Voltage
		6.2.3 Controlling Speed by Adjusting Field Current
	6.3 Speed Control of Brushless DC Motor
	Problems
Chapter 7: Speed Control of Induction Motors
	7.1 Basic Principles of Speed Control
	7.2 Controlling Speed Using Rotor Resistance
	7.3 Slip Energy Recovery
		7.3.1 Controlling Speed by the Slip Energy Recovery Method
		7.3.2 Torque–Current Relationship
		7.3.3 Efficiency
	7.4 Rotor Voltage Injection
	7.5 Controlling Speed Using Inductance
	7.6 Controlling Speed by Adjustingthe Stator Voltage
	7.7 Controlling Speed by Adjusting the Supply Frequency
		7.7.1 Effect of Excessively High Frequency
		7.7.2 Effect of Excessively Low Frequency
	7.8 Voltage/Frequency Control
	7.9 Current Source Speed Control
		7.9.1 Induction Motor with Constant-Frequency CSI
		7.9.2 Induction Motor with Adjustable-Frequency CSI
	Problems
Chapter 8: Braking of Electric Motors
	8.1 Regenerative Braking
	8.2 Dynamic Braking
	8.3 Countercurrent Braking
	Problems
Chapter 9: Braking of Conventional and Brushless dc Motors
	9.1 Regenerative Braking of dc Shunt Motors
	9.2 Regenerative Braking of dc Series Motors
	9.3 Dynamic Braking of dc Shunt Motors
	9.4 Dynamic Braking of dc Series Motors
	9.5 Countercurrent Braking of dc Shunt Motors
		9.5.1 Plugging
		9.5.2 Braking by Terminal Voltage Reversal (TVR)
	9.6 Countercurrent Braking of dc Series Motors
	9.7 Regenerative Braking of BLDC Motors
		9.7.1 Regenerative Braking of Unipolar BLDC
		9.7.2 Regenerative Braking of Bipolar BLDC
	9.8 Dynamic Braking of BLDC Motors
	9.9 Countercurrent Braking of BLDC Motors
		9.9.1 Plugging of BLDC Motors
		9.9.2 Sequence Reversal of BLDC Motors
	Problems
Chapter 10: Braking of InductionMotors
	10.1 Regenerative Braking
		10.1.1 Type 1 Wind Turbine System
		10.1.2 Type 2 Wind Turbine System
		10.1.3 Type 3 Wind Turbine System
	10.2 Dynamic Braking
	10.3 Countercurrent Braking
	Problems
Chapter 11: Dynamics of Electric Drive Systems
	11.1 Moment of Inertia
	11.2 Basic Concept of Traveling Time
	11.3 Gears and Belts
	11.4 Traveling Time of dc Motors
	11.5 Traveling Time of Induction Motors
		11.5.1 Unloaded Induction Motor
		11.5.2 Loaded Induction Motor
	11.6 Traveling Time of Synchronous Motors
	Problems
Index