B.tech graduate in EE-department. GATE Qualified twice. 

Yatin Gupta

In this course we will discuss about the DC machines. following topics will be discussed. Introduction Flux, Flux linkage, lap winding,wave winding. Construction Yoke, Poles, Armature core, Commutator, Brushes, Armature winding, Concept of Multiplexing, LAP & WAVE windings. This Course is beneficial for Gate electrical aspirants.

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English

DC Machines | GATE (Electrical)

D.C. Machines

Electric Machines

Electrical Engineering

GATE & ESE - EE, EC

GATE, ESE and IIT-JAM

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Test Preparation

In this lecture we will discuss about the content of this course

Course Overview

In this lecture we will discuss about modes of inducing EMF in a DC machine. Concept of MNA(Magnetic neutral axis)

Introduction to DC Machines

In this lecture we will cover the construction part of the DC machine this lecture will have following topics
1. Relation between electrical and mechanical degree
2. Yoke, Armature core, poles, brushes, Commutator

Construction of DC Machine (Part-1)

In this lecture we will discuss about the construction part of DC machine also the concept of LAP & WAVE winding.

Construction of DC Machines (Part-2)

In this lecture we will discuss about the induced EMF in a DC generator will also solve one problem related to this formula.

EMF Equation of DC Generator

In this lecture we will discuss about types of DC generator
1. Separately excited
2. Series Excited
3. Compound Excited

Types of DC Generator (Part-1)

In this lecture we will discuss about types of DC generator we will also talk about how to do compounding in cumulative compound DC generator.

Types of DC generator (Part-2)

In this lecture we will discuss about the voltage build up process of shunt, series and compound generator.

Voltage Build-up in DC Shunt, Series, Compound Generator

In this lecture we will learn how to calculate the value of critical resistance and Critical speed for a given DC generator.

Critical Resistance & Critical Speed

In this lecture we will discuss about armature reaction in DC Generator we will also discuss that why do we don't prefer the brush shift operation in order to improve the commutation.

Armature Reaction in DC Generator

In this lecture we will discuss the effects of armature reaction and methods to reduce it.

Effects of Armature Reaction & Methods to Reduce it

Indus lecture we will discuss about commutation process and interpoles

Commutation Techniques, Interpoles

In this lecture we will discuss About some solved problems that are based on DC generator

Solved Problems | DC Generator

In this lecture we will discuss about characteristics of different types of DC generators

Characteristics of DC Generator

#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 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

In this course, we will be discussing about how to write numerical questions for DC machines in ESE mains exam.

(Hindi) DC Machines ESE Mains Writing Practice

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 about the Construction of DC Machine including all its important parts.

(Hindi) Know Every Concept About Construction of 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 the core concepts of the machine which is very important for the upcoming ESE exam point of view.

Lessons

14 lessons • 2h 25m

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Course Overview

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Introduction to DC Machines

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Construction of DC Machine (Part-1)

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Construction of DC Machines (Part-2)

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EMF Equation of DC Generator

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Types of DC Generator (Part-1)

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Types of DC generator (Part-2)

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Voltage Build-up in DC Shunt, Series, Compound Generator

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Critical Resistance & Critical Speed

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Armature Reaction in DC Generator

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