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DC GENERATOR - Weebly

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 consists two basic parts, stator and rotor. …

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DC Machine - Construction, Working, Types, …

DC Machine Construction of DC Machine. The construction of DC machine can be done using some of the essential parts like Yoke, Pole core & pole shoes, Pole coil & field coil, Armature core, Armature winding otherwise conductor, commutator, brushes & bearings. Some of the parts of the DC machine is discussed below.

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Constructional features of Transformers ~ …

15.06.2015· Constructional features of Transformers Transformers used in practice are of extremely large variety depending upon the end use. In addition to the transformers used in power systems, in power transmission and distribution, a large number of special transformers are in use in applications like electronic supplies,rectification, furnaces, traction etc.

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THEORY, CONSTRUCTION, AND OPERATION

current (dc) motor or generator, the induction motor or generator, and a number of derivatives of all these three. What is common to all the members of this fam- ily is that the basic physical process involved in their operation is the conversion of electromagnetic energy to mechanical energy, and vice versa. Therefore, to comprehend the physical principles governing the operation of electric ...

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Mod-01 Lec-22 Lecture-22-Constructional …

Basic constructional features of D.C machine. Elementary lap and wave winding used in armature. Emf and torque equations of D.C. machine generator and motor mode. Armature reaction and its effect. Compensationg winding. Shunt, series and compound machines. Generator characteristics. Motor characteristics. Efficiency, Basic tests.

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What is a DC machine with a suitable sketch and …

A DC Machine is an electromechanical device that is constructed such that it can be used as a Series, Shunt or Compound DC Generator OR DC Motor. Without trying to explain it with lots and lots of words, lets do it a thousand at a time: If you kno...

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What are the main parts of DC machine? - …

From this point of view essentially the constructional features of both dc motor and generator are same. Main parts of DC machine: 1) Field system: The objective of the field system is to create a uniform magnetic field in which the armature rotates. Permanent magnet or electromagnet can create this magnetic field. Field magnet system consists of four main parts, yoke or frame, pole cores ...

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Construction of Dc motor (all parts of dc motor …

Construction of Dc motor. Construction of Dc motor nearly looks like the construction of Dc generator, originally when the Dc machine starts working we can't identify whether it's a Dc generator or motor, briefly Dc motor consists of:. Stator: it's the stationary part containing the field winding and receives the supply. Rotor: which is the rotating part.

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Unit 61: Features and Applications of Electrical Machines

features of a speed control system for a DC machine D2 compare the construction and operation of two different types of stop/start/ retain relay control circuit for either an AC or a DC machine. P3 describe the aspects of legislation, regulations and standards that relate to work being carried out on two different pieces of electrical apparatus ...

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Construction of dc Machines - web.eecs.utk.edu

Construction of dc Machines: The rotor in a dc machine is called an armature. The armature has cylindrical steel core that is composed of a stack of slotted laminations. Slots in laminations are aligned axially along rotor or shaft. Armature windings are placed in slots. The stator in a dc machine is the field part of the machine. Field poles are located on stator and project inward. Each pole ...

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What are the constructional features of dc …

Q. What are the Constructional Features of DC Machines? Adc generator ormotormay have asmany as four fieldwindings, depending on the type and size of the machine and the kind of service intended. These field windings consist of two normal exciting fields, the shunt and series windings, and two fields that act in a corrective capacity to combat ...

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Construction of DC Motor - OurEducation

According to the construction,there is no significant difference between a DC motor and a DC Generator.Hence,the same machine can perform both the operations,which means a DC machine manufactured for the purpose of a DC generator can also be used as a DC motor and vice-versa.Hence,the DC generator and DC motor are generally referred as DC machines.

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Working or Operating Principle of DC Motor | …

The DC motor is of vital importance for the industry today and is equally important for engineers to look into the working principle of DC motor in details that we have discussed in this article. To understand the operating principle of DC motor we need to first look into its single loop constructional feature.

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Construction of a DC Generator - explanation of …

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, i.e. 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 ...

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Construction of DC Machine - Polytechnic Hub

Construction of DC Machine. 1. Yoke. Yoke. Function. It provide mechanical Support for poles; It also provide protection to whole machine from dust, moisture etc. It also carries magnetic flux produced by the poles; Yoke is also called as frame. Material used. For small M/C yoke is made of cast iron. For large M/C it is made of cast steel or rolled steel. 2. Pole & Pole core. Pole & Pole core ...

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Machine tool - Basic machine tools | Britannica

Machine tool - Machine tool - Basic machine tools: Hundreds of varieties of metal machine tools, ranging in size from small machines mounted on workbenches to huge production machines weighing several hundred tons, are used in modern industry. They retain the basic characteristics of their 19th- and early 20th-century ancestors and are still classed as one of the following: (1) turning ...

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constructional features of cnc machines ppt

Search Cloud / constructional features of cnc machines ppt Important: Use custom search function to get better results from our thousands of pages Use " " for compulsory search eg:"electronics seminar", use -" " for filter something eg: "electronics seminar" -"/tag/" (used for exclude results from tag pages)

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Constructional Features of Rotating Electrical …

Electrical Machines Questions and Answers Constructional Features of Rotating Electrical Machines-2

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What are the main parts of DC machine? - …

From this point of view essentially the constructional features of both dc motor and generator are same. Main parts of DC machine: 1) Field system: The objective of the field system is to create a uniform magnetic field in which the armature rotates. Permanent magnet or electromagnet can create this magnetic field. Field magnet system consists of four main parts, yoke or frame, pole cores ...

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Construction and Principle of Operation of DC …

DC series motor works on the direct current converting electrical energy to mechanical energy. It works on the principle of generation of rotational motion when a conductor placed in magnetic field carries current. The interaction of the generated magnetic field and external magnetic field results in the rotational movement. In this motor field winding is placed in series to the armature.

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THEORY, CONSTRUCTION, AND OPERATION

current (dc) motor or generator, the induction motor or generator, and a number of derivatives of all these three. What is common to all the members of this fam- ily is that the basic physical process involved in their operation is the conversion of electromagnetic energy to mechanical energy, and vice versa. Therefore, to comprehend the physical principles governing the operation of electric ...

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Constructional Features of Induction Machines …

Constructional Features of Induction Machines : Rotor Construction is In this article we will discuss construction of rotors used in induction motors. written by Sunil Saharan on Tuesday, January 29th, 2013 At 07:34:55 pm Viewed 3141 times till 2020-05-06 12:15:31

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Synchronous motor - construction and working ...

Synchronous motor and induction motor are the most widely used types of AC motor. Construction of a synchronous motor is similar to an alternator (AC generator).A same synchronous machine can be used as a synchronous motor or as an alternator. Synchronous motors are available in a wide range, generally rated between 150kW to 15MW with speeds ranging from 150 to 1800 rpm.

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Constructional Features of Induction Machines …

Constructional Features of Induction Machines : Rotor Construction is In this article we will discuss construction of rotors used in induction motors. written by Sunil Saharan on Tuesday, January 29th, 2013 At 07:34:55 pm Viewed 3141 times till 2020-05-06 12:15:31

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Unit 61: Features and Applications of Electrical Machines

features of a speed control system for a DC machine D2 compare the construction and operation of two different types of stop/start/ retain relay control circuit for either an AC or a DC machine. P3 describe the aspects of legislation, regulations and standards that relate to work being carried out on two different pieces of electrical apparatus ...

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Constructional Features Of DC Machines …

Jun 08, 2020 - Constructional Features Of DC Machines Electrical Engineering (EE) Notes | EduRev is made by best teachers of Electrical Engineering (EE). This document is highly rated by Electrical Engineering (EE) students and has been viewed 361 times.

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Construction of DC Machine (Generator & Motor)

The dc generators and dc motors have the same general construction. In fact, when the machine is being assembled, the workmen usually do not know whether it is a dc generator or motor. Any dc generator can be run as a dc motor and vice-versa. Read: Working of DC Motor

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Split Phase Induction Motor - Operation and …

Before going to the operation and characteristics of split-phase induction motor we should first understand why single phase induction motor is not self-starting.. To make a single-phase induction motor self-starting, we should somehow produce a rotating magnetic field. This may be achieved by converting a single-phase supply into two-phase supply through the use of an additional winding.

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What are the main parts of DC machine? - …

From this point of view essentially the constructional features of both dc motor and generator are same. Main parts of DC machine: 1) Field system: The objective of the field system is to create a uniform magnetic field in which the armature rotates. Permanent magnet or electromagnet can create this magnetic field. Field magnet system consists of four main parts, yoke or frame, pole cores ...

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Construction of dc machines - LinkedIn SlideShare

Construction of dc machines 1. Construction of DC machines By, Rohini Haridas Assistant Professor, Dept of Electrical Engineering, SSGM College of Engineering,Shegaon 2. Is DC generator and motor have same construction??? 3. Main construction diagram 4. Main parts The two major parts required for construction : 1. Stator That houses the field winding 1. Rotor Rotating part that rotates in ...

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Constructional features of Transformers ~ …

15.06.2015· Constructional features of Transformers Transformers used in practice are of extremely large variety depending upon the end use. In addition to the transformers used in power systems, in power transmission and distribution, a large number of special transformers are in use in applications like electronic supplies,rectification, furnaces, traction etc.

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Basic construction and working of a DC …

This article outlines basic construction and working of a DC generator. Construction of a DC machine: ... Basic constructional parts of a DC machine are described below. Yoke: The outer frame of a dc machine is called as yoke. It is made up of cast iron or steel. It not only provides mechanical strength to the whole assembly but also carries the magnetic flux produced by the field winding ...

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