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SPECIAL ELECTRICAL MACHINES - Coggle Diagram
SPECIAL ELECTRICAL MACHINES
UNIT I- STEPPER MOTORS
Constructional features & operation of stepper motor
Types of stepper motor
Torque predictions of stepper motor
Linear And non linear Analysis of stepper motor
Characteristics &Drive circuits of stepper motor
Closed loop control of stepper motor& Applications of stepper motor
Tutorial class
UNIT II- SWITCHED RELUCTANCE MOTORS
Constructional features & Principle of operation of SRM
Torque prediction of SRM ,Characteristics of SRM
Power controllers of SRM
Tutorial class
Control of SRM drive-Speed control, current control ,Design Procedures, Sensor less operation of SRM
Current sensing-rotor position measurement and estimation, sensor less rotor position estimation-inductance based estimation
Applications of SRM, Tutorial class
UNIT III- PERMANENT MAGNET BRUSHLESS DC MOTORS
Fundamentals of Permanent Magnets
Types & Principle of operation of PMDC Motor
Magnetic circuit analysis of PMDC Motor
EMF & Torque equation of PMDC Motor
Characteristics and control Design of PMDC Motor
Transfer function –Machine, Load and Inverter- Current and Speed Controller
UNIT IV -PERMANENT MAGNET SYNCHROUNOUS MOTORS
Permanent Magnet ac Machines, Constructional features, Machine Configurations
Principle of operation of PMSM
EMF & Torque equation of PMSM
Phasor diagram of PMSM
Torque speed characteristics, Power controllers of PMSM
Constructional features& Principle of operation of Synchronous Reluctance Motor
UNIT V- STUDY OF OTHER SPECIAL ELECTRICAL MACHINES
Principle of operation and characteristics of Hysteresis motor
Principle of operation and characteristics of Hysteresis motor
Evaluation of control characteristics, design of current and speed controllers
Principle of operation and characteristics of ac Series motor
Principle of operation and characteristics of Linear Induction motor
Tutorial Class