Electric Machines
Contents
-->>> DC Machine <<<--
Lab guid
Fundamental dc machine
Machine construction and commutator action
Steady-state performance and ideal characteristics of dc machine
Speed control of dc motors
Lab sheet experiment
Tutorial
-->>> Poly-phase Induction Machine <<<--
Machine construction and concept of operation
Induced voltage and torque development
Equivalent circuit and torque
Steady-state performance and characteristics
Torque-speed characteristics, speed control and tests
Linear iduction motor (squirrel and double gage machines)
starting of iduction motor
Lab sheet experiment 1
Lab sheet experiment 2
Tutorial
-->>> Synchronous Machines <<<--
Machine construction and excitation voltage
Design and operation
Voltage regulation and phasor diagram (generator and motor modes)
Power and torque characterisics and tests
Salient pole machine
Synchronous bus connection
Variable voltage-varaible frequency operation
Lab sheet experiment
Tutorial
-->>> Single phase Induction Motor <<<--
Machine types (auxiliary, capacitor)
Characteristic performance and equivalent circuit
Open circuit and blocked rotor tests
Powers, torque-speed and efficiency
Small Motors
Contents
-->>> Permanent Magnet Motors <<<--
Fundamentals, materials, demagnetization and Brushless dc Motors
Controller for PM, brushless machines
Winding design, hall elements and position detection
Three phase bipolar driven motor
Tutorial
-->>> Synchronous Reluctance Motor <<<--
Principle of operation and rotating field
Linear and hybrid linear reluctance motor
-->>> Stepper Motors <<<--
Types, Hybrid and Electro-hydraulic motors
Characteristics, excitation and drive
Modeling, damping and control
Flux-guided stepper motors
Slotless machines
Tutorial
-->>>Switched Reluctance Motors <<<--
Current and voltage fed modes(inverter fed, operation and torque production)
Nonlinearity and energy flow (power converter circuits)
Unaligned permeance in single and multiple tooth per pole
Machine Theory
Contents
-->>> Electromechanical Energy conversion <<<--
Electromagnetic theory in Rotating machines
2-coil, 3-phase, 2-axis theorems
Tutorial
-->>> Dynamic Model and Transient Performance <<<--
Machine families
Induction machine
Synchronous machine
Variable reluctance and dc machines
Tutorial
-->>> Small Signal Voltage-fed machines <<<--
Power frequency relation and torque coefficients in induction motor
Energy characteristics in synchronous generator
Lab experiment