Sagnik Saha is a student persuing B.Tech in EE from NIT Allahabad. His interests includes analysis of electrical machine and power system.

Sagnik Saha

A brief description about transformer, it's construction, types,  working, different parameters, phasor analysis, different tests etc

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

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English

All about single phase Transformers

Transformers

Electric Machines

Electrical Engineering

GATE & ESE - EE, EC

GATE, ESE and IIT-JAM

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Test Preparation

Transformer voltage step up/ down phenomena is described in detail

Introduction and Working Principle

Transformer core and winding construction is described in detail.

Construction of Transformer

All the accessory parts of the transformer is briefly described.

Transformer peripherals

Current in no load and loaded condition is described. Phasor diagram representation is described no load , lagging load and leading load operation in ideal transformer

Current in Ideal Transformer and Its Phasor Diagram

Phasor analysis in case of practical transformer is described. And the equivalent circuit of a transformer is also discussed in detail

Analysis of Practical Transformer and its Equivalent Circuit

Open circuit test and short circuit test are described to find out the series and shunt parameters of a transformer.

Open Circuit and Short Circuit Test of Transformer

Transformer rated quantities are described. Different losses in transformer are discussed in detail

Transformer Rating and Losses Occurring in it

Efficiency formula, condition for maximum efficiency and all day efficiency is described with proper example.

Efficiency of a Transformer

Voltage regulation of a transformer is described in detail with phasor diagram. Condition for maximum VR & zero VR is also discussed

Voltage regulation of a transformer

Parallel operation of transformer is described with its advantages, necessary and sufficient conditions. Load sharing by the two transformers are also discussed

Parallel operation of transformer

Autotransformer basic points has been discussed. It's working, advantages over 2 winding Transformer is described with solved example

Autotransformer basic

Faculty of GATE/ESE (Electrical Engineering) , Expertise in Electrical Core | Jony Ive Award Winner 2018 | Use code “PAWANCLIVE” to join

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

#Gate Ranker # Mtech from JEC Jabalpur. use code " MACHINE20" to attend my Classes. I don't teach "I simply explain the topic."

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

11 lessons • 2h 16m

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Introduction and Working Principle

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Construction of Transformer

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Transformer peripherals

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Current in Ideal Transformer and Its Phasor Diagram

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Analysis of Practical Transformer and its Equivalent Circuit

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Open Circuit and Short Circuit Test of Transformer

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Transformer Rating and Losses Occurring in it

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Efficiency of a Transformer

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Voltage regulation of a transformer

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Parallel operation of transformer

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