dc machine construction ppt

Introduction to DC Machines, Working, Construction ...

2019-12-10 · Hello, fellows, I hope all of you are having fun in your life. In today''s tutorial, we will have a look at Introduction to DC Machines.Like alternating current machines, there are 2 types of DC machines first one is DC motors that convert electrical power into mechanical power and the second one is DC generator that converts mechanical power into electrical.

Construction of dc Machines

2000-1-6 · 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.

Lecture Notes ELE-A6

2007-3-23 · 3/23/2007 ELEC A6 DC Machine 7 DC MACHINES Real DC machine Construction • Stator: Stationary part of the machine. The stator carries a field winding that is used to produce the required magnetic field by DC excitation. Often know as the field. • Rotor: The rotor is the rotating part of the machine. The rotor carries a

DC machines

2021-9-4 · DC machines 1 DC machines Transformsmechanicalenergyintoelectric energywithDC voltage and current(DC generatoror dynamo), or conversely(DC motor)

THEORY, CONSTRUCTION, AND OPERATION

2010-4-19 · INTRODUCTION TO BASIC NOTIONS ON ELECTRIC POWER 5 Electric Current Conductor Lines of Force Fig. 1.3 Schematic representation of a magnetic field created by the flow of current in a conductor. The direction of the lines of force is given by the "law of the screwdriver": mentally follow the movement of a screw as it is screwed in the same direction …

ANIMATION OF ELECTRIC MACHINES

2010-11-15 · Position control of a dc motor: 4. Schematic diagram of a round-rotor induction motor: 5. Structure of a squirrel-cage induction machine: 6. Principle of operation of squirrel-cage induction motor and generator: 7. Axial view of a …

Commutation in DC Machine or Commutation in DC …

2012-2-24 · The voltage generated in the armature, placed in a rotating magnetic field, of a DC generator is alternating in nature. The commutation in DC machine or more specifically commutation in DC generator is the process in which generated alternating current in the armature winding of a dc machine is converted into direct current after going through the …

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 …

PPT – dc generators ppt PowerPoint presentation | free to ...

S4 HANA PPDS PPT - Sapvits provide SAP S4 Hana PPDS online training in Pune All over india, UK, USA Etc.Learn more about SAP APO PPDS process flow, SAP APO PPDS process flow with All tutorial, SAP PPDS pdf, PPT & preparations SAP APO PPDS interview questions. Contact us for more details about SAP PPDS training. SAP S4 HANA Embedded Production Planning & …

Institute Technology DC"

2020-12-30 · At first sight, these machines appear to be quite complicated to analyze, and that judgement seems to hold up. 2.3 Air Gap Armature Windings Shown in Figure 4 is a surface-mounted magnet machine with an air-gap, or surface armature winding. Such machines take advantage of the fact that modern permanent magnet materials have

Electrical Machines I

Construction of a DC machine. EMF and torque equations in dc machines. Armature windings and commutator design. Armature reaction and compensation techniques. Self excitation of dc generators. External characteristics of dc generators. Kinds of losses and efficiency of dc machines. Torque and speed characteristics of dc motors. Speed control of ...

DC Motors

2013-7-17 · DC Motors Although ac motors are used in most of the cases, DC motors have many applications and used for multi-purpose applications. DC Motor Principle A machine that converts dc power into mechanical energy is known as dc motor. Its operation is based on the principle that when a current carrying conductor is placed in a

17925_DC-Machines.ppt

17925_DC-Machines.ppt - Generator Principle u2022An electrical generator is a machine which converts mechanical energy(or power into electrical energy(or. ... Types of pole construction There are mainly two types of construction available. One: Solid pole core, where it made of a solid single piece of cast iron or cast steel.

Dc machines

2013-5-12 · 3/23/2007 ELEC A6 DC Machine7DC MACHINESReal DC machine Construction• Stator: Stationary part of the machine.The stator carries a field winding that isused to produce the required magneticfield by DC excitation. …

Basic construction and working of a DC Generator ...

2021-5-5 · 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. This article outlines …

DC MACHINES

2018-3-7 · DC MACHINES • In DC machines, the field winding is wound onto the stator, while the armature winding is located on the rotor. • Current is supplied to the rotating armature winding through Commutator Segments. • Each commutator segment (also located on the rotor) is connected to an armature winding coil.

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 …

8. DC Drives

2021-3-1 · 3. Review of DC Motor Theory DC motor construction: Dc motor is mainly constructed from two main parts, the stator and the rotor as shown in Fig.8. 4. Fig.8.4 DC machine construction Types of DC motors: There are several types of dc motors: 1. Separately Excited motor 2. Shunt DC Motor 3. Series motor 4. Compound motor

What is a DC Machine? Basic structure & Equivalent circuit ...

A DC Machine is an electro-mechanical energy conversion device. There are two types of DC machines; one is the DC generator, and another one is known as DC motor. A DC generator converts mechanical power (ωT) into DC electrical power (EI), whereas, a DC motor converts d.c electrical power into mechanical power.

Direct-Current Machines

2005-3-9 · • In a DC machine, the magnetizing current is DC. Commutation is the process of converting AC energy in the rotor of a DC machine to DC energy at its terminals. It is the most critical part of the design and operation of any DC machine. • Commutator consists of radial copper bars separated by an insulating material, usually mica.

DC Motor Working Principle, Construction and Diagram ...

2020-10-3 · CONSTRUCTION OF DC MOTOR. All DC machines mainly consist of two parts. One is the stator and the other is Rotor. The stator is a stationary part that includes yoke, pole, pole winding, and Interpoles. The stator produces the …

Lecture 6: Synchronous machines

2013-2-21 · 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 Machine

Construction of DC Machine. The DC machine consists of Yoke, Pole, and Pole shoe, Armature core, Field Winding, Armature Winding, Commutator, Brushes, …

Construction of dc machines

2014-2-26 · 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 …

(PPT) Chapter 4 DC machines | Getahun Seifu

Construction The basic parts of DC machines are: A. Stator (stationary part) B. Rotor (Rotating part ) 6 7 1. shaft 2. end-bearings 3. Commutator 4. brushes 5. armature 6. main-pole 7. main-pole field winding 8. frame 9. end-shield 10. ventilator 11. basement 12. bearings 8 Stator consists of Stator Frame (name plate, terminal box, basement ...

PPT – DC MOTOR PowerPoint presentation | free to …

Brushless DC Motor Market Size- KBV Research - The Global Brushless DC Motor Market size is expected to reach $22.8 billion by 2025, rising at a market growth of 6.7% CAGR during the forecast period. The high adoption rate of electric vehicles arising from rising oil dependency issues, global warming, and environmental pollution is also likely ...

DC Machine

 · Construction of DC Machine Yoke. Another name of a yoke is the frame. The main function of the yoke in the machine is to offer mechanical support intended for poles and protects the entire machine from moisture, dust, etc. The materials used in the yoke are designed with cast iron, cast steel otherwise rolled steel. ...

Introduction to Rotating Machines

2020-8-6 · 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 4.2 shows a dc-machine rotor. As we will see, the armature winding of a dc machine consists of many coils connected together to form a closed loop.