construction features of dc machine

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.

Basic construction and working of a DC Generator ...

2019-2-2  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 basic construction and working of a DC generator. Construction of a DC machine:

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.

Construction of dc Machines - UTK

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.

Construction of DC Motor (Parts Images) Electrical4U

2019-2-8  A stator is the static part of the DC machine that houses the field windings and receives the supply. A rotor is the rotating part of the DC machine that brings about the mechanical rotations. All these parts put together make up the total construction of a DC motor.

Construction of dc machines - SlideShare

Construction of DC machines By, Rohini Haridas Assistant Professor, Dept of Electrical Engineering, SSGM College of Engineering,Shegaon . ... The construction of magnetic poles basically comprises of two parts namely, the pole core and the pole shoe stacked together under hydraulic pressure and then attached to the yoke.

sketch to illustrate the constructional features of a dc ...

DC Motors -- principles of operation - Solarbotics. The internal configuration of a DC motor is designed to harness the magnetic , Iron core construction is also relatively inexpensive compared with other construction typ , In small motors, an alternative design is often used which features a.

Electrical Machines electricaleasy

2019-2-2  Different types of DC generators and DC motors. DC Generators Construction and working of a DC generator. Armature winding Lap winding, wave winding and other related terms. ... Losses in a DC machine Copper losses, iron losses (core losses), mechanical losses, power flow diagram. Working of a DC

Construction of a DC Generator - Circuit Globe

Construction of a DC Generator ... The silicon steel material is used for the construction of the core to reduce the hysteresis losses. The rotating armature cuts the magnetic field, due to which an emf is induced in it. This emf circulates the eddy current which results in Eddy Current loss. ... The armature winding is the heart of the DC Machine.

THEORY, CONSTRUCTION, AND OPERATION

2010-4-19  THEORY, CONSTRUCTION, AND OPERATION 1. CHAPTER 1 PRINCIPLES OF OPERATION ... standing of the principles governing the machine’s design and operation, but who do not have an electrical engineering background. The chapter starts by ... (dc) electric power. The dc can be considered a particular case of

Working or Operating Principle of DC Motor

2019-2-9  To understand the operating principle of DC motor we need to first look into its single loop constructional feature. The very basic construction of a DC motor contains a current carrying armature, connected to the supply end through commutator segments and brushes.

Construction of a DC Generator - Circuit Globe

Construction of a DC Generator ... The silicon steel material is used for the construction of the core to reduce the hysteresis losses. The rotating armature cuts the magnetic field, due to which an emf is induced in it. This emf circulates the eddy current which results in Eddy Current loss. ... The armature winding is the heart of the DC Machine.

Construction of a Synchronous Machine - Circuit Globe

Construction of a Synchronous Machine Construction of a Synchronous Machine, i.e. alternator or motor consists of two main parts, namely the stator and the rotor.The stator is the stationary part of the machine. It carries the armature winding in which the voltage is generated.

How a DC motor works? electricaleasy

2019-2-2  Construction of a DC motor is same as that of a DC generator. Working principle of a DC motor A motor is an electrical machine which converts electrical energy into mechanical energy.

Induction motor - Wikipedia

2019-2-7  An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce ... and the third a true synchronous motor with separately excited DC supply to ... The generating mode for induction motors is accompanied by the difficulty that not always in the machine's rotor, which is made of ...

Construction and Principle of Operation of the Shunt

The construction of a DC Shunt Motor is the same as any other DC motor. It contains all the fundamental parts, which include a stator (field windings), a rotor (also known as armature), and a commutator. ... Torque in the machine is generated by the interaction of the magnetic field of the windings and armature.

4. DC MOTORS - National University of Singapore

2010-10-6  4.2 Construction DC motors consist of one set of coils, called armature winding, inside another set of coils or a set of permanent magnets, called the stator. Applying a voltage to the coils produces a torque in the armature, resulting ... Figure 6: Reversability of a DC machine

11/20/2012 - drhenrylouie

2018-7-12  11/20/2012 1 31-AC Machine Construction text: 7.1 to 7.7 ECEGR 450 Electromechanical Energy Conversion Overview • Introduction • Physical Construction • Armature Windings • Pitch Factor • Distribution Factor • Winding Connections • Rotor Dr. Louie 2 Introduction • Recall that DC machines: armature windings in rotor

DC motor - Wikipedia

2019-1-31  If external mechanical power is applied to a DC motor it acts as a DC generator, ... low voltage power supply. An alternative construction fits the outer races inside a metal tube, while the inner races are mounted on a shaft with a non-conductive section (e.g. two sleeves on an insulating rod). ... such as machine tools, winding/unwinding ...

What are the main parts of a DC generator and their

2017-6-3  Thus, a DC generator or a DC motor can be broadly termed as a DC machine. These basic constructional details are also valid for the construction of a DC motor. Hence, let's call this point as construction of a DC machine instead of just 'construction of a dc generator'. The above figure shows the constructional details of a simple 4-pole DC ...