youtube on construction of electrical dc machine lecture

Synchronous Machines

5 1 Introduction to Polyphase Synchronous Machines 247 where I R -- resultant air-gap flux per pole Ff = mmf of the dc field winding RF = electrical phase angle between magnetic axes of I R and Ff The minus sign of Eq 481 has been omitted with the understanding that the...

Electrical Machines

Feb 02 2019 0183 32 21Mod-01 Lec-21 Lecture-21-Operating Principles of DC Machines 22Mod-01 Lec-22 Lecture-22-Constructional Features of DC Machines 23Mod-01 Lec-23 Lecture-23-Generated EMF and Torque in DC Machines 24Mod-01 Lec-24 Lecture-24-Armature Reaction 25Mod-01 Lec-25 Lecture-25-Commutation in DC Machines...

Construction of a DC Generator

A DC Generator is an electrical device which converts mechanical energy into electrical energy It mainly consists of three main parts ie magnetic field system armature and commutator and brush gear The other parts of a DC Generator are magnetic frame and yoke pole core and pole shoes field or exciting coils armature core and windings brushes end housings bearings and shafts...

Electrical Engineering Online Courses with Video Lectures

Electrical engineering is a field of science that concerns with the application of different fields of electricity There are a lot of different fields which we will be covering ranging from digital system design to signals amplifiers microcontrollers control engineering and more...

DC Machine

A DC machine is an electromechanical energy alteration device The working principle of a DC machine is when electric current flows through a coil within a magnetic field and then the magnetic force generates a torque that rotates the dc motor The DC machines are classified into two types such as DC generator as well as DC motor...

Name of the Department

ELECTRICAL MACHINE 1 BEE-1302 8 induced in dc generator The work done in overcoming this opposition is converted into mechanical energy Fig 32 Schematic diagram of DC shunt motor Fig shown 32 a DC shunt motor the rotating armature generating the back emf E b The armature current can be written as Tb a a V -E I= r Where r a is armature...

Basic Electrical Engineering Pdf Notes BEE

Basic Electrical Engineering Pdf Free Download BEE Notes Pdf UNIT-V DC generators Principle of operation of dc machines types of DC GENERAtors emf equation in a dc generator Unit 5 Download Link UNIT-VI DC Motors Principle of operation of dc motors types of DC Motors...

DC GENERATOR

A dc generator is an electrical machine which converts mechanical energy into direct current electricity This energy conversion is based on the principle of production of dynamically induced emf CONSTRUCTION Cross Sectional View of DC Generator Above figure shows the constructional details of a simple 4-pole DC generator A DC generator...

Basic construction and working of a DC Generator

DC Generator A dc generator is an electrical machine which converts mechanical energy into direct current electricityThis energy conversion is based on the principle of production of dynamically induced emf This article outlines basic construction and working of a DC generator Construction of a DC machine...

Differentiating Between DC and AC Motors EC M

As you can see there are a variety of electrical configurations for a DC machine For the purpose of this article we will stick with the series- and shunt-wound DC motor Please note that the interconnection of the field stationary winding and armature rotating winding determine the machine s operating characteristics Fig 1...

Basic Principles and Functions of Electrical Machines

field that the DC machines fed from the AC supply through rectifiers are making their mark In this paper we shall discuss the various types of electric machines thereafter we shall look at the basic features and principles of operation of electric machin Determination of machine parameters basic protections maintenance and...

Electrical Engineering Video Lectures from NPTEL IIT MIT

Electrical Engineering Video Lectures / Tutorials Lecture - 16 Power Ports Lecture 24 - Dc Machines Part 2 Lecture - 15 Power Factor Lecture - 25 Dc Generators Lecture - 22 The Practical Transformer Part 3 Lecture - 18 Transformer Basic Part 2 Lecture - 27 Dc Motors Lecture - 26 Dc Generators 2 Lecture - 37 Induction Motor 2 Lecture - 20 The...

ELECTRICAL ENGINEERING LABORATORY LAB MANUAL

This Laboratory book in Electrical Engineering Laboratory is intended specifically to meet the needs of basic courses in electrical machin It is used at undergraduate level for studying the characteristics and operation of DC and AC machines using state of the...

Construction of DC Machine and its components

Sep 25 2016 0183 32 Video Lecture on Construction of DC Machine and its components of Chapter DC Machine of Subject Basic Electrical Engineering for First-Year Engineering Stude...

Electric Machine Design Course

DC to DC boost to 500 VDC Peak torque = 350 Nm Rated 50 kW 1200 to 1540 rpm The SRM is one of the oldest electric machines dating back to the middle 19th century but not practical until the development of the transistor Very simple in construction and low cost to manufacture SRMs are very robust and reliable with decent fault tolerance...

PDF DC Motors

2-DC machine are of considerable ind ustrial importance 3- DC machine mainly used as DC m otors and the DC generators are rarely used 4- DC motors provides a fine control of t he speed which can...

Elements of Electrical Machines

Lecture Notes Elements of Electrical Machines 12 Figure 23 Torque in DC Motor Figure 4 Current Flow in DC Motor Constructionally there is no basic difference between a dc generator and motor In fact the same dc machine can be used interchangeably as a generator or as a motor The basic construction of a dc...

Basic Electrical Engineering Module 5 Construction of

Sep 18 2020 0183 32 Subject - Basic Electrical EngineeringTopic - Module 5 Construction of DC Machines Lecture 38 Faculty - Ranjan Rai SirGATE Academy Plus is an effort to...

Introduction to Rotating Machines

multipole three-phase synchronous motor under construction In a dc machine the armature winding is found on the rotating member referred to as the rotor Figure 42 shows a dc-machine rotor As we will see the armature winding of a dc machine consists of many coils connected together to...

EE 6361 ELECTRICAL DRIVES CONTROL

21 TYPES OF ELECTRICAL MACHINES 25 211 Applications of Dc Motor 25 212 Characteristics of Dc Motors 25 213 Types of Electric Braking 26 22 DC SHUNT MOTORS 26 221 Characteristics of Dc Shunt Motor 26 222 Electric Braking in Dc Shunt Motor 28 23 DC SERIES MOTOR 31...

THEORY CONSTRUCTION AND OPERATION

of electrical-mechanical equivalence 13 ALTERNATED CIRCUITS AC As it will be shown later alternators operate with both alternating ac and direct-current dc electric power The dc can be considered a particular case of the general ac with frequency equal to zero The frequency of an alternated circuit is measured by the number of times the...

Construction of DC Machine

Mar 25 2018 0183 32 In this video Construction of DC machines with all the parts are conceptually explained Must Watch it Some important playlist links are as follows Our Y...

Electrical Machines electricaleasy

Various methods for controlling speed of a DC motor Electric braking of DC motors Different methods of electric braking of dc motors Parallel operation of shunt generators Operating 2 dc shunt generators in parallel PMDC motor Permanent magnet DC motors BLDC motor Construction and working of brushless dc motors AC Machines Induction motor...

Lecture 6 Synchronous machines

Construction of synchronous machines Two common approaches are used to supply a DC current to the field circuits on the rotating rotor 1 Supply the DC power from an external DC source to the rotor by means of slip rings and brushes 2 Supply the DC power from a special DC power source mounted directly on the shaft of the machine...

DC GENERATORS

University of Babylon Electrical machines mechanical department U15 Electromotive Force emf Equation The induced voltage in any given machine depends on three factor 1 The flux φ in the machine 2 The speed ωof the machine s rotor 3 A constant depending on the construction of the machine...

Course Notes Electric Machines Electrical Engineering

Elementary Synchronous Machine Models PDF 5 Winding Inductances PDF 6 DC Commutator and Permanent Magnet Machiness PDF 7 Permanent Magnet Brushless DC Motors PDF 8 Analytic Design Evaluation of Induction Machines PDF 9 Synchronous Machine Simulation Models PDF 10 Induction Machine Control and Simulation PDF 11...

PDF Electrical Machine

Apr 24 2020 0183 32 Check out the PDF notes and eBook for the subject Electrical Machine-1 as part of the Electrical Engineering branch This eBook of Electrical Machine-1 is very useful and can help you score really well during your exam The main topics covered in these lecture notes for Electrical Machine...

What is DC Drive Working and Types of DC Drives

DC Drive Input Some thyristor based DC drives operate on a single phase supply and use four thyristors for full wave rectification For larger motors three phase power supply is needed because the waveforms are much smoother In such cases six thyristors are needed for full wave rectification Rectifier Bridge The power component of a controlled DC drive is a full wave bridge rectifier...

DC Machine

Construction Classification and Applications of DC Machine According to the source of supply electrical machines are classified into two types AC machine and DC machine For example DC Motors DC Generator etc...

2 Electric Machines DC Electric Motors Lecture 2

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Electrical Machines Lecture

Feb 02 2021 0183 32 In this lecture the different parts of the cut-out section model of a DC machines and their functioning are discussed engineeringdevotion...

EE2403 SPECIAL ELECTRICAL MACHINES A Course Material on

EE2403 SPECIAL ELECTRICAL MACHINES SCE DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING 391 Merits of SRM 77 392 Demerits of SRM 78 393 Application of SRM 78 31 Shaft position sensing 78 311 Microprocessor or computer based control of Srm drive 79 Glossary 81 UNIT IV PERMANENT MAGNET BRUSHLESS DC MOTORS...

Principal of electrical machinery and optimization of

the internal generated AC voltage to DC voltage thereby the operating characteristics of DC generators are still importance because most concept can be applied to all others electrical machine We can classify the generator machine into two parts 1 The stationary part generally called stator 2...

Lec 00 Introduction of Electrical Machines I

Dec 15 2018 0183 32 Subject Electrical MachineFaculty Pankaj shukla sirTo connect with your favourite pankaj sir join telegram - https //tme/pankajshuklasirIn this session P...

Introduction to Electrical Machine Course Lecture 1

Nov 25 2019 0183 32 Subject - Electrical MachinesTopic - Introduction to Electrical Machine Course Lecture 1Faculty - Mahesh Patil SirGATE Academy Plus is an effort to initi...

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