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Anvesh Sameer

Learn completely about synchronous machines. This course deals with principle, construction, characteristics, power equations, parallel operation of alternators.

GATE (Graduate Aptitude Test in Engineering) 2020 & 2021 complete preparation with best educators. Know about the detailed syllabus, best books, exam pattern and dates, previous year question papers a

GATE & ESE

English

Synchronous Machines: GATE (EE)

Three Phase Synchronous Machines

Electric Machines

Electrical Engineering

GATE & ESE - EE, EC

GATE, ESE and IIT-JAM

Ace the toughest competitive and government exams in India 

Test Preparation

Overview of the synchronous machines course is discussed.

Overview

Importance of synchronous generators is introduced, Concept of using standard frequencies in the power systems is explained. Principle of generators is discussed.

Introduction to Alternators and Principles

Fleming's left hand and right hand rules, Direction of Electro magnetic torque and induced currents in the conductors are discussed with examples

Operation Of Alternators

EMF equation and Phase sequence of alternators are explained

EMF equation and Phase sequence in alternators

Stator, salient pole rotors, hunting phenomenon, damper windings are explained

Construction of alternators (part 1)

Cylindrical rotor alternators, how hunting is eliminated are discussed with neat diagrams and infographics

Construction of alternators (part - 2)

Different types of Armature windings, coil span, pole pitch, slot angle are discussed

Armature windings (part - 1)

Chording angle, pitch factor, eliminating harmonics using Chording angles are discussed. Basic equations are derived!

Armature windings (part - 2)

MCQs on Armature winding are discussed, important Gate and other PSU questions asked in this chapter are discussed with neat diagrams

MCQs on Armature winding

Distributed and concentric winding

Breadth factor and conversion between various phases are discussed in detail

Distribution factor

MCQs on distribution factor are discussed

MCQs on distribution factor

Breadth factor for Uniformly distributed winding is discussed

Uniformly distributed winding

Rotating magnetic Field is explained with simple diagrams and in easy words

Rotating magnetic Field (RMF)

Torque production in synchronous machines

Armature Reaction

Voltage drop and regulation

Power angle and torque angle curves

Power flow equations

Synchronizing power coefficient

Synchronizing power

Short circuit ratio

Blondels 2 reaction theory

Voltage Regulation methods

Saturated synchronous impedance method

MMF METHOD

ZPF method

Characteristics [re recorded ]

Blondels 2 reaction theory [Re recorded]

Slip test

Slip test (part - 2)

Synchronizing power coefficient ( cylindrical rotor alternator)

Synchronizing power coefficient (salient pole rotor)

Conditions for Parallel operation of alternators

Synchronization methods

One dark and two bright lamp method

Gate 2 mark questions on Lamp method

No load parallel operation - case 1

No load parallel operation of alternators case - 2

No load parallel operation case - 2

On load parallel operation case - 1

On load parallel operation case - 2

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Ravendra Yadav

In this course Induction machine which is the part of machine - 2 subject of electrical engineering branch is covered thoroughly including important derivations and tabular comparison also.

Induction Machines: UPSC ESE (Electrical Engineering)

In this course we will discuss about very important questions of single phase induction motors.

(Hindi) Important MCQs: Single Phase Motors

In this course we will be discussing about all possible one liners MCQs that could be formed from synchronous motor.

(Hindi) One Liner MCQs for Synchronous Motor

In this very new course we will be discussing the various types of questions asked in UPSC IES previous year exams including all concepts.

(Hindi) Practice Session For Synchronous Machine: ESE - Electrical Engineering

In this course we will be discussing about the various speed control methods of induction machines like rotor resistance control,  frequency control,  input voltage control etc.

Lessons

42 lessons • 7h 16m