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Anvesh Sameer

This lecture deals with transformer construction, operations and testing including auto transformers.

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

Ultimate Guide to Transformers for GATE EE

Transformers

Electric Machines

Electrical Engineering

GATE & ESE - EE, EC

GATE, ESE and IIT-JAM

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Test Preparation

Overview of the course. Outcomes of the course, target audience

Course Overview

Basics of the transformer and working principle of transformer are explained

Construction features of Transformer: Part 1

Construction of core, shell type vs core type transformers, construction of windings, forces acting on the winding are discussed

Construction features of Transformer: Part 2

Ideal and practical transformers, EMF equations, transformer under loaded conditions, overall pf of transformer at different loads are discussed

EMF and PF in Transformers

Per unit resistance drop of transformer, transferring resistances from one circuit to another, equivalent circuits of transformer are explained

Per unit Resistance of Transformer and Equivalent Circuits

Major losses in transformer are discussed with mcq questions

Losses in transformer

Different types of tests and important conclusions in each test are explained

Transformer tests

Efficiency of transformers is explained thoroughly . All the advanced formulae are derived and discussed in one place.

Efficiency of transformers

Introduction to Voltage regulation using experimental setup and conditions required for maximum voltage regulation are discussed.

Voltage regulation (part 1)

Conditions required for minimum voltage regulation are derived , regulation curve is plotted

Voltage regulation (part - 2)

Conditions required for inducing sinusoidal EMF in the windings,hysteresis angle of advance, Harmonics in transformer are explained

Harmonics in transformer

Constructional features of Three phase transformers

Three phase transformers

Dd12 and Dd6 connections

Δ-Δ transformer with different switching operations are discussed with good diagrams

Δ-Δ transformer with different switching operations

Yy12 and Yy6 connection

Dy5 and Dy11 transformer connections are explained with neat diagrams

Dy5 and Dy11 transformer connection

Dy1 and Dy7 connections are explained with neat diagrams

Dy7 and Dy1 connections

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Pawan Chandani

In this course I have discussed electrical machine overview, construction of DC machine, different part of DC Machine like Yoke, field pole and winding, Interpole, compensating winding, brushes, armature core and winding, working principle of DC generator and working principle of DC motor, torque in rotating machine, working of commutator and delayed commutation.

(Hindi) Part 1-DC Machine: Electrical Engineering

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Ravendra Yadav

In this course we will be discussing about the properties of transformer core, laminations of core, magnetostriction and core type and shell type transformer.

(Hindi) Transformer for IES : Part - 2

This is the Crash course on transformer for RVUNL JE EXAM so all the topics of transformers will be covered in short not in detail.

Crash Course on Transformers for RVUNL JE EXAM (29/07/2019)

In this very new crash course we will be discussing about the synchronous machines. we will cover all the important topics for the subject which is also be important for last minute revision and preperation to.

Crash course on synchronous machines for all JE EXAMS

This course is very important for ESE aspirants.

(Hindi) Torque developed and Commutation in DC Motor

In this course we will be discussing about each and every topic of DC machines in brief which will prove very helpful for the students for last minute preperation or for revision point of view.

Lessons

17 lessons • 3h 33m