construction of phase synchronous machine

Difference between Synchronous motor and Induction motor ,

Synchronous motor always runs at a speed equal to its synchronous speed ie Actual speed = Synchronous speed or N = Ns = 120f/P Learn more about working of a synchronous motor here Induction motor When the stator is fed with two or three phase AC supply, a Rotating Magnetic Field RMF is produced The relative speed between stator s ....

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Construction of Synchronous Motor Electrical4U

Mar 19, 2018 0183 32 Where, N s = synchronous speed, f = supply frequency and p = number of pol As we can see from the equation, the synchronous speed depends on the frequency of the supply and the number of pol The construction of a synchronous motor is very similar to the construction of an alternatorBoth are synchronous machines where one we use as a motor and the other as a generator...

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Synchronous Motor

These motors contain multi-phase AC electromagnets on the stator of the motor that create a magnetic field that rotates in time with the oscillations of the line current A synchronous-motor is doubly fed if it is supplied with independent excited multi-phase AC electromagnets on both the rotor and stator Construction of Synchronous Motor...

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Ac Synchronous Machine And Its Application Engineering Essay

Synchronous machines are principally used as alternating current AC generators They supply the electric power used by all sectors of modern societies industrial, commercial, agricultural, and domestic Synchronous machines are sometimes used as constant-speed motors, or as compensators for reactive power control in large power systems...

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Construction of Alternator or Synchronous Machine ,

3 phase synchronous generator or alternator or synchronous machine construction Alternator is the machines which generates the power which we are using today Now let us discuss about construction of alternator or synchronous machine The most important parts in alternator design are stator rotorModern alternators prefer rotating field type of constructionUnlike dc generators i n case of ....

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Electrical Machines

The stator construction of a three-phase induction machine is similar to that of a three-phase synchronous machine A three-phase winding is placed in a number of slots in order to produce a rotating sinusoidal mmf wave As with other ac machines, the speed of rotation of the stator magnetic field is described as the synchronous speed and is ....

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Principle working of Synchronous generator or Alternator

The stator in the synchronous generator is a stationary armatureThis consists of a core and the slots to hold the armature winding similar to the armature of a dc generatorThe stator core uses a laminated constructionIt is built up of special steel stampings insulated from each other with varnish or paperThe laminated construction is basically to keep down eddy current loss...

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Design of Synchronous Machine

iv Stability The maximum power output of a machine under steady state condition is inversely proportional to synchronous reactance If higher value of flux density is used it leads to smaller number of turns per phase in armature winding...

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Synchronous motor theory of operation and its construction

Do you know that the Synchronous motors work on a unique theory of operation unlike normal motors? Read here to Know about its working principle and starting procedur Also know the applications of these motors in different fields Appreciate the comparison between a normal Induction motor a Synchronous motor Read to know about the surging/hunting of these motors...

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Construction of single Phase transformer

Construction of single Phase transformer with Examples on Electrical Machine, Single Phase Transformer, Construction of single Phase transformer, Losses in transformer, Open-Circuit and Short-Circuit Test, Three-Phase Transformer, Auto transformer etc...

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Parts of a Synchronous Machine

The synchronous machine is used widely in industry both as a generator for power generation as well as a motor for driving industrial equipment such as conveyors, pumps, crushers etc , The rotor of the synchronous machine can be either salient or non-salient in construction , The output of the excitor is a 3 phase AC supply...

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What is a Synchronous Machine?

However, large AC machines are three phase type synchronous machines because of the following reasons For the same size of the frame, three phase machines have nearly 15 times the output than that of the single phase machine Three phase power is transmitted and distributed more economical than single phase power...

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Synchronous Machines

These basic fundamentals of an electric machine are like those for a DC machine, with one significant difference The field source of a synchronous machine is on the rotor, the armature winding of a synchronous machine is on the stator Like DC machines, the field source creates a magnetic field, the armature winding has a voltage induced in it ....

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SYNCHRONOUS GENERATOR CONSTRUCTION

Nov 19, 2015 0183 32 SYNCHRONOUS GENERATOR CONSTRUCTION , A prime mover causes the generator rotor to rotate the magnetic field in the machine A three-phase set of voltages is induced in the stator windings by the rotating magnetic field , brief construction detail of 3 phase synchronous ,...

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construction of phase synchronous machine

SIMULATION OF ELECTRIC MACHINE AND DRIVE imposed by the construction and excitation of the machine With the complete symmetry encountered in a three-phase induction machine with balanced sinusoidal excitation, any one of the five frames can be used, although the synchronous frame is more convenient in as much as all signals appear as constant dc in steady state...

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Synchronous Machines

Nov 24, 2017 0183 32 A synchronous machine is a most important type of electric machine The generating machines found in all generating stations are synchronous machines and are commonly known as synchronous generator or alternators Synchronous motors are well known for their constant speed operation and are widely used in industri...

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Synchronous Motor Working Principle and Construction ,

Synchronous motor construction is very similar to synchronous generator construction except that most motors are salient-pole machin Principle and Operation of Synchronous Motor When an induction motor is connected to a three-phase supply, a rotating magnetic field is established this induces currents in the rotor windings, thereby producing a torque...

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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 Save All dc machines ,...

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Synchronous Machine Construction and Working Electrical ,

Construction of Synchronous Machine Rotor Figure 1 is a sketch of the rotor and stator of a synchronous machine The rotor would be placed inside the stator Instead of a permanent magnet, this machine as do the overwhelming majority of synchronous machines uses an electromagnet to ,...

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What is the difference between an induction motor and a ,

May 17, 2017 0183 32 AC motors can be divided into two main categories - 1 Synchronous motor and 2 Asynchronous motor An asynchronous motor is popularly called as Induction motor Both the types are quite different from each other Major differences between them ....

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Construction Working principle of Synchronous Motor

We have seen the various features of three phase alternatorSimilar to a dc generator it is a reversible machineIf a three phase supply is given to the stator of a three-phase alternator, it can work as a motorAs it is driven at synchronous speed, it is called Synchronous generatorSo if alternator is run as a motor, it will rotate at a synchronous speed...

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Chapter 6 Synchronous Machines

Synchronous Machines 2 In this chapter, we concentrate on conventional synchronous machines whereas the brushless dc motors will be discussed later in a separate chapter Synchronous Machine Structures Stator and Rotor The armature winding of a conventional synchronous machine is almost invariably on the stator and is usually a three phase winding...

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Chapter 8 Three Phase Induction Motor 81 Introduction

Chapter 8 Three Phase Induction Motor 81 Introduction The popularity of 3 phase induction motors on board ships is because of their simple, robust construction, and high reliability factor in the sea environment A 3 phase induction motor can be used for different applications with various speed and load requirements...

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Difference between Cylindrical and Salient Pole Rotor ,

Oct 31, 2016 0183 32 In general, the Cylindrical Rotor type machines are confined to 2 and 4 pole turbine generators, while salient pole types are built with 4 poles upwards and include most classes of duty Both classes of machine are similar in Stator construction point of view Each has a stator carrying a three-phase winding distributed over its inner periphery...

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Synchronous motor

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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Construction of a Synchronous Machine

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

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Constructional Features Of Synchronous Machine

Feb 15, 2016 0183 32 Constructional Features Of Synchronous Machine LEARN AND GROW , Construction of Synchronous machine - Duration , 9 11 Cogging Crawling effect in a 3-Phase Induction motor Interview ....

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Permanent magnet synchronous generator

A permanent magnet synchronous generator is a generator where the excitation field is provided by a permanent magnet instead of a coil The term synchronous refers here to the fact that the rotor and magnetic field rotate with the same speed, because the magnetic field is generated through a shaft mounted permanent magnet mechanism and current is induced into the stationary armature...

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Construction Of Phase Synchronous Machine

Synchronous Machines 10 Introduction Fig 5 illustrates the synchronous generator construction for a salient pole machine, with 2 pol Note that Fig 5 only represents one side of each phase, so as to not crowd the picture too much...

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What is the difference between a salient pole and a ,

Mar 02, 2017 0183 32 There are mainly two types of Synchronous Generator from rotor construction point of view The two main types of synchronous machine are Cylindrical Rotor and Salient Pole Saliency simply means projection outward Therefore from the literal meani....

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