Electrical Machines – II

• THREE PHASE INDUCTION MOTOR

• CONSTRUCTION

• PRINCIPLE OF OPERATION

• EQUIVALENT CIRCUIT AND PERFORMANCE

• NO LOAD AND BLOCKED ROTOR TEST

• CIRCLE DIAGRAM

• LOSSES AND EFFICIENCY

• OPERATING CHARACTERISTICS AND INFLUENCE OF MACHINE PARAMETERS ON THE PERFORMANCE OF THE MOTOR

• STARTING, SPEED CONTROL AND BRAKING OF POLY -PHASE INDUCTION MOTORS

• STARTING OF SQUIRREL CAGE MOTORS

• STARTING OF WOUND ROTORS

• SPEED CONTROL OF THREE PHASE INDUCTION MOTOR

• ELECTRICAL BRAKING OF POLY PHASE INDUCTION MOTORS

• THE SINGLE PHASE INDUCTION MOTOR

• THEORIES OF OPERATION

• DOUBLE FIELD REVOLVING THEORY

• VOLTAGE EQUATION AND EQUIVALENT CIRCUIT

• DETERMINATION OF PARAMETERS BY TESTS

• SPLIT PHASE STARTING

• SHADED POLE TYPE

• REPULSION MOTOR STARTING

• CAPACITOR MOTOR

• AC TACHOMETER.

• TWO PHASE CONTROL MOTOR, CROSS FIELD THEORY

• SPECIAL ELECTRICAL MACHINE

• INDUCTION VOLTAGE REGULATOR

• SYNCHRONOUS INDUCTION MOTOR

• POWER SYNCHROS ,POSITION SYNCHROS

• LINEAR MOTOR

• SYNCHRONOUS MACHINES

• ALTERNATORS OR THREE PHASE SYNCHRONOUS GENERATORS

• INTRODUCTIONS, CONSTRUCTIONAL FEATURES OF CYLINDRICAL AND SALIENT POLE ROTOR

• ARMATURE WIINDING

• CHORDING OF WINDINGS

• PITCH FACTOR

• DISTRIBUTION OR BREADTH FACTOR

• EMF EQUATIONS

• STEADY STATE OPERATION OF ALTERNATORS: