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EE3405 Electrical Machines – II Notes
Download EE3405 Electrical Machines – II Books, Lecture Notes, Part-A 2 marks with answers, Part-B 16 marks Questions, PDF Books. In this Notes Very Useful for Second Year Fourth Semester Students.
“EE3405 Electrical Machines – II Books”
“EE3405 Electrical Machines – II Lecture Notes”
“EE3405 Electrical Machines – II Study Material”
“EE3405 Electrical Machines – II Notes”
Subject Info:
| Semester | Fourth Semester |
| Department | EEE |
| Year | Second Year |
| Regulation | R 2021 |
| Subject Code / Name | EE3405 Electrical Machines – II |
| Content | Local Authors Books, Lecture Notes |
Syllabus:
EE3405 Electrical Machines – II
UNIT I SYNCHRONOUS GENERATOR
Constructional details – Types of rotors –winding factors- EMF equation – Synchronous reactance – Armature reaction – Phasor diagrams of non-salient pole synchronous generator connected to infinite bus–Synchronizing and parallel operation – Synchronizing torque -Change of excitation and mechanical input- Voltage regulation – EMF, MMF, ZPF and A.S.A method – steady state powerangle characteristics– Two reaction theory –slip test -short circuit transients – Capability Curves.
UNIT II SYNCHRONOUS MOTOR
Principle of operation – Torque equation – Operation on infinite bus bars – V and Inverted V curves – Power input and power developed equations – Starting methods – Current loci for constant power input, constant excitation and constant power Developed-Hunting – natural frequency of oscillations – damper windings- synchronous condenser.
UNIT III THREE PHASE INDUCTION MOTOR
Constructional details – Types of rotors –- Principle of operation – Slip –cogging and crawling- Equivalent circuit – Torque-Slip characteristics – Condition for maximum torque – Losses and efficiency – Load test – No load and blocked rotor tests – Circle diagram – Separation of losses – Double cage induction motors –Induction generators – Synchronous induction motor.
UNIT IV STARTING AND SPEED CONTROL OF THREE PHASE INDUCTION MOTOR
Need for starting – Types of starters – DOL, Rotor resistance, Autotransformer and Star delta starters – Speed control – Voltage control, Frequency control and pole changing – Cascaded Connection-V/f control – Slip power recovery Scheme-Braking of three phase induction motor: Plugging, dynamic braking and regenerative braking.
UNIT V SINGLE PHASE INDUCTION MOTORS AND SPECIAL MACHINES
Constructional details of single phase induction motor – Double field revolving theory and operation – Equivalent circuit – No load and blocked rotor test – Performance analysis – Starting methods of single-phase induction motors – Capacitor-start capacitor run Induction motor- Shaded pole induction motor – Linear induction motor – Repulsion motor – Hysteresis motor – AC series motor- Servo motors- Stepper motors – introduction to magnetic levitation systems.