construction of phase synchronous machine

Synchronous Motor Working Principle and Construction ...

Synchronous motor construction is very similar to synchronous generator construction except that most motors are salient-pole machines. 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.

Synchronous Generator Parts - your electrical guide

Nov 24, 2017· Synchronous Machines Compare Synchronous Motor and Induction Motor Synchronous motor vs Induction motor Sr. No Points of Comparison 3 Phase Induction Motor 3 Phase Synchronous Motor 1 Construction It has simple robust construction. It has complicated construction. 2 Supply This needs only Read more…

EE 340 Spring 2011 - University of Nevada, Las Vegas

Construction of synchronous machines In a synchronous generator, a DC current is applied to the rotor winding producing a rotor magnetic field. The rotor is then turned by external means producing a rotating magnetic field, which induces a 3-phase voltage within the stator winding. • …

Synchronous Machines - Construction - Principle of Operation

Nov 24, 2017· 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 industries.

Lecture 6: Synchronous machines

Construction of synchronous machines In a synchronous generator, a DC current is applied to the rotor winding producing a rotor magnetic field. The rotor is then turned by external means producing a rotating magnetic field, which induces a 3-phase voltage within the stator winding. • …

Salient pole rotor vs. non-salient pole rotor ...

In salient pole type of rotor consist of large number of projected poles (salient poles) mounted on a magnetic wheel.Construction of a salient pole rotor is as shown in the figure at left. The projected poles are made up from laminations of steel. The rotor winding is provided on these poles and it …

Construction & Working principle of Synchronous Motor

We have seen the various features of three phase alternator.Similar to a d.c generator it is a reversible machine.If a three phase supply is given to the stator of a three-phase alternator, it can work as a motor.As it is driven at synchronous speed, it is called Synchronous generator.So if alternator is run as a motor, it will rotate at a synchronous speed.

Construction and Types of Synchronous Machine | Electrical ...

Jul 16, 2018· In case of three phase generators, three sets of windings are required, one for each phase connected in star. The cross-sectional area of these windings must be enough to carry rated current of the machine. Figure below illustrate the simplified construction of synchronous machine.

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.

Construction of Three Phase Synchronous Motor ~ your ...

Construction of Three Phase Synchronous Motor 12:26 PM Synchronous Motor No comments Similar to d.c. machine where there is no constructional difference between a generator and motor, There is no difference between the construction of synchronous motor and the alternator, both being the synchronous machines.

What is the difference between a salient pole and a ...

Mar 02, 2017· 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...

Constructional Features Of Synchronous Machine - YouTube

Feb 15, 2016· On this channel you can get education and knowledge for general issues and topics

Synchronous motor - Wikipedia

The principal components of a synchronous motor are the stator and the rotor. The stator of synchronous motor and stator of induction motor are similar in construction. With the wound-rotor synchronous doubly fed electric machine as the exception, the stator frame contains wrapper plate. Circumferential ribs and keybars are attached to the wrapper plate.

Construction Of Phase Synchronous Machine

Synchronous Machines 1.0 Introduction. Fig. 5 illustrates the synchronous generator construction for a salient pole machine, with 2 poles. Note that Fig. 5 only represents one "side" of each phase, so as to not crowd the picture too much.

Construction of Alternator | Synchronous Generator | Types ...

Jun 22, 2018· Construction of Alternator. The AC generator or synchronous generator is a machine which converts the mechanical power or energy into electrical power.; The construction of an alternator is very similar to the DC generator but the main difference between them in DC generator the armature winding is the rotating part and field winding is the stationary part whereas in an alternator the …

Construction Of Three Phase Synchronous Motor | Electrical ...

Similar to d.c. machine where there is no constructional difference between a generator and motor, There is no difference between the construction of synchronous motor and the alternator, both being the synchronous machines. The synchronous motor construction is basically similar to rotating field type alternator. It consists of twp parts :

Electrical Machines - Induction Machines - Construction

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 ...

Construction Of 3 Phase Synchronous Machine

Construction Of Three Phase Synchronous Motor . Similar to d.c. machine where there is no constructional difference between a generator and motor, There is no difference between the construction of synchronous motor and the alternator, both being the synchronous machines.

Construction of three phase synchronous machines - javatpoint

Construction of three phase synchronous machines. An alternator consists of two parts, the stator, and the rotor. The stator is the stationary part of the machine, and the rotor is the rotating part of the machine. The stator carries the armature winding in which the voltage is …

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.

CHAPTER 31 SYNCHRONOUS GENERATORS

A is the internal generated voltage induced in one phase of a synchronous generator. However, this is not the usual voltage that appears at the terminals of the gener ator. SYNCHRONOUS GENERATORS 31.5 FIGURE 31.6A cutaway diagram of a large synchronous machine. Notice the salient-pole construction and the on-shaft exciter. (Courtesy of General ...

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.

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 & rotor.Modern alternators prefer rotating field type of construction.Unlike d.c. generators i n case of ...

Construction of Synchronous Motor | Electrical4U

Mar 19, 2018· The construction of a synchronous motor is very similar to the construction of an alternator. Both are synchronous machines where one we use as a motor and the other as a generator. Just like any other motor, the synchronous motor also has a stator and a rotor. We will look into the construction details of the various parts one by one in detail.

Synchronous Motors: Applications And Working Principle

Jul 11, 2019· Synchronous motors are a doubly excited machine, i.e., two electrical inputs are provided to it. Its stator winding which consists of a We provide three-phase supply to three-phase stator winding, and DC to the rotor winding. The 3 phase stator winding carrying 3 phase currents produces 3 phase rotating magnetic flux.

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 procedures. 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.

Principle & working of Synchronous generator or Alternator

The stator in the synchronous generator is a stationary armature.This consists of a core and the slots to hold the armature winding similar to the armature of a d.c generator.The stator core uses a laminated construction.It is built up of special steel stampings insulated from each other with varnish or paper.The laminated construction is basically to keep down eddy current losses.

PRINCIPLES OF OPERATION OF SYNCHRONOUS MACHINES

widely used in several types of electric rotating machines, including synchronous machines. However, due to mechanical, as well as operational reasons, perma-nent magnets in synchronous machines are restricted to those with ratings much lower than large turbine-driven generators, which is the subject of …

SYNCHRONOUS MOTOR - CONSTRUCTION OF SYNCHRONOUS …

Jan 20, 2017· But, if the rotor is rotated upto the synchronous speed of the stator by means of an external force (in the direction of revolving field of the stator), and the rotor field is excited near the synchronous speed, the poles of stator will keep attracting the opposite poles of the rotor (as the rotor is also, now, rotating with it and the position of the poles will be similar throughout the cycle).

Synchronous Generator Construction and Working Principle

In this article, let us discuss about synchronous generator working principle. Synchronous Generator. The rotating and stationary parts of an electrical machine can be called as rotor and stator respectively. The rotor or stator of electrical machines acts as a power-producing component and …

What is the difference between an induction motor and a ...

May 17, 2017· 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 ...

What is a Synchronous Machine? - its Basic Principles ...

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 1.5 times the output than that of the single phase machine. Three phase power is transmitted and distributed more economical than single phase power.

Synchronous Machines Notes part1 | electric equipment

Mar 28, 2015· Synchronous Machines Notes part1. Posted on March 28, 2015 by admin Leave a comment. Synchronous Machines Notes. ... Construction of synchronous machines. 1. Salient pole Machines: These type of machines have salient pole or projecting poles with concentrated field windings. ... a 3 phase synchronous machine star connected has the following ...