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# EE8401 ELECTRICAL MACHINES – II Lecture Notes Download

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Department | Electrical and Electronics Engineering |

Year | 2nd year |

Semester | 4th Semester |

University | Anna University |

Regulation | R2017 |

Subject Code | EE8401 |

Subject Name | ELECTRICAL MACHINES – II |

Download File | EE8401 ELECTRICAL MACHINES – II Lecture Notes, Books, Important 2 Marks Question and Answers, 16 Mark Question with Answers, Syllabus & Question Bank |

## EE8401 ELECTRICAL MACHINES – II Syllabus

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 methods – steady state power- angle 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.

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## EE8401 ELECTRICAL MACHINES – II Lecture Notes Collection

EE8401 ELECTRICAL MACHINES – II Notes ( UNIT 1 – UNIT 5) – Download

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EE8401 ELECTRICAL MACHINES – II Question Bank With Answers – Download

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## EE8401 ELECTRICAL MACHINES – II 2 Mark Question With Answers

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## EE8401 ELECTRICAL MACHINES – II 16 Mark Question With Answers

EE8401 ELECTRICAL MACHINES – II 16 Mark Question With Answers – Download