 Btech in EE from BIET Jhansi, teaching experience of 3 years, AIR 154 GATE (EE) 2019, courses: MATLAB, PLC/SCADA

Puneet Soni

In this course Puneet Soni explains about Construction and working principle of dc machine,separately excited, series and shunt dc machine, armature reaction, commutation, operating characteristics, starting and speed control of dc motors, electric braking of dc motors.

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

Hindi

(Hindi) DC Machines Concepts: GATE(EE)

D.C. 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

Introduction to Dc machines, dc machine construction

Introduction to DC Machines(in Hindi)

Dc machines operation (generator and motor operation)

DC Machines Operation (in Hindi)

EMF Equation of DC Machine(in Hindi)

Methods of field excitation(separately excited, shunt, series, compounded excitation) and then equivalent circuit of dc machine armature.

Methods of Excitation and Equivalent circuit of DC Machine Armature (in Hindi)

Power flow in DC machines, formulas of armature power and electromagnetic torque.

Power Flow in DC Machines (in Hindi)

Types of DC machines (separately excited, series-wound, shunt-wound and compound-wound)

Types of DC Machines(in Hindi)

Lap and wave windings; there winding patterns and applications

Armature winding: Lap and Wave winding( in Hindi)

Numerical practise of dc machines-I (in Hindi)

Basics of Commutation process, Linear commutation and Commutation period

Commutation Process part-I

Deep understanding of how commutation process occurs, Delayed commutation and Sparking at brush trailing edge due to reactance voltage.

Commutation process part-II

Armature Reaction, Cross-magnetizing effect and Demagnetizing effect of Armature reaction.

Armature Reaction

Effects of Armature Reaction and Brush Shift, Demagnetizing and Cross-magnetizing ATs/pole.

Effect of Armature reaction and Brush Shift

Compensating winding and calculation of compensating winding conductors per pole

Compensating Winding

Interpoles, interpole winding and rotational voltage created by interpoles in order to overcome reactance voltage

Interpoles

No-load characteristics, Load characteristics and external characteristics of separately excited DC generator

Operating Characteristics of Separately Excited DC Generator

No-load characteristics of Shunt excited DC generator, critical field resistance and critical speed.

Operating Characteristics of DC Shunt Generator-I

Conditions of no-voltage build up and external characteristics of DC shunt excited generator

Operating Characteristics of DC Shunt Generator-II

No-load, Internal and External characteristics of DC series generator

Operating Characteristics of DC Series Generator

No-load and external characteristics of DC compound generator.

Operating characteristics of DC Compound Generator

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Ravendra Yadav

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.

(Hindi) Learn the Speed Control Methods of Induction Machines

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 Pawan will discuss PYQs and expected MCQs based on DC Machine.

(Hindi) Part 1 - PYQs Based on DC Machine

In this course we are discussing about the various different types of questions from DC Machines for practice point of view.

(Hindi) Practice Session on DC Machines - GATE(Electrical)

In this course we will be discussing about the Construction of DC Machine including all its important parts.

(Hindi) Know Every Concept About Construction of DC Machine

In this course, the educator is discussing very important Previous Year MCQs for ESE Point of view.

(Hindi) Complete Course on ESE Previous Year MCQs

In this course, we will be discussing the core concepts of the machine which is very important for the upcoming ESE exam point of view.

Lessons

21 lessons • 1h 50m