EE8401 Syllabus ELECTRICAL MACHINES 2
EE8401 Syllabus Electrical Machines 2 Regulation 2017 Anna University free download. Electrical Machines 2 Syllabus EE8401 pdf free download.
UNIT I SYNCHRONOUS GENERATOR EE8401 Syllabus Electrical Machines 2
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 methods – steady state power- angle characteristics– Two reaction theory –slip test -short circuit transients – Capability Curves
UNIT II SYNCHRONOUS MOTOR EE8401 Syllabus Electrical Machines 2
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 EE8401 Syllabus Electrical Machines 2
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 EE8401 Syllabus Electrical Machines 2
Need for starting – Types of starters – DOL, Rotor resistance, Autotransformer and Stardelta 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 EE8401 Syllabus Electrical Machines 2
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.
| Subject name | Electrical Machines 2 |
| Short Name | EM 2 |
| Semester | 4 |
| Subject Code | EE8401 |
| Regulation | 2017 regulation |
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