construction of double cage squirrel cage induction motor

Induction motor - Wikipedia An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce torque is obtained by electromagnetic induction from the magnetic field of the stator winding An induction motor can therefore be made without electrical connections to the rotor An induction motor's rotor can be either wound type or squirrel-cage type
Special Rotor Constructions and Applications ~ your , In squirrel cage induction motor high starting torque can be obtained by the use of deep bar or double cafe rotors Both these types of rotors make use of skin effect in which distribution of current is not uniform but the alternating current has the tendency to concentrate near the surface of the conductor
Double Cage Induction Motor - Introduction - DIY Electrical Dec 26, 2015· In this small post we will discuss about the Double cage Induction motor in brief What is meant by Double Cage Induction Motor? As the name indicates, The Double Cage Induction Motors have two cages in the rotor and they have the advantages of both squirrel-cage induction motors and wound rotor induction motors
Squirrel Cage Induction Motor vs Slip Ring Induction Motor Jun 16, 2015· Squirrel Cage Induction Motor: Slip ring (wound rotor) Induction Motor: In Squirrel cage induction motors the rotor is simplest and most rugged in construction: In slip ring induction motors the rotor is wound type In the motor the slip rings, brushes are provided Compared to squirrel cage rotor the rotor construction is not simple
How is a double cage induction motor constructed ? - Quora Aug 23, 2014· double cage rotor Deep bar rotor see in first figure during starting conductor in upper slot are active due to majority of current flowing through these conductor because conductor in lower slot have large leakage flux hence large lea.
Standards and Methods for Starting Squirrel Cage Induction , These limits are decided by the individual manufacturers and are a function of the materials used in the motor construction and the degree of risk that the manufacturer is willing to stand behind in warranty Starting Methods There are a number of ways of starting squirrel cage induction motors
Induction motor Introduction and construction - Electrical , Squirrel cage rotor or simply cage rotor ; , Insulated conductor are put in the slots and connected to form a three phase double layer distributed winding similar to the stator winding the rotor winding are connected in star , I read your blog about Induction motor Introduction and construction carefully It is really brief introduction .
What is the difference between a squirrel cage motor and a , The induction motor are of two types based on the construction of rotor * Slip ring type * Squirrel cage type 1 In the slip ring type,the rotor consists of three phase winding similar to that of the stator winding In the squirrel cage type, t.
Advantage of Double Cage Rotor over Single Cage Rotor , squirrel cage induction motors according to the lamination of the rotor [1] NEMA class A design exhibits rotor , squirrel cage induction motor is rugged in construction and reliable in operation because of its minimum , The output parameters of the single and the double cage rotor induction motor are shown in Table 2
Three Phase Induction Motor | electricaleasy Just like any other motor, a 3 phase induction motor also consists of a stator and a rotor Basically there are two types of 3 phase IM - 1 Squirrel cage induction motor and 2 Phase Wound induction motor (slip-ring induction motor) Both types have similar constructed rotor, but they differ in construction of rotor This is explained further
Double Squirrel Cage Induction Motor - Electrical idea Jun 26, 2016· Therefore, the double squirrel cage induction motor us design to provide high starting torque with the low starting currentRotor is designed as that under normal running condition it has low resistance and at starting operated with high resistance Construction:-The double squirrel cage induction motor is consists in two main parts
Double Cage Induction Motor: Construction, Working Apr 20, 2017· Double Cage Induction Motor One of the advantages of the slip-ring motor is that resistance may be inserted in the rotor circuit to obtain high starting torque (at low starting current) and then cut out to obtain optimum running conditions
Working Principle of 3 phase squirrel cage Induction Motor , 3 phase squirrel cage Induction Motor is one of the most popular types of AC electric motor which achieve the electromechanical energy conversion through stator and squirrel cage rotor by electromagnetic induction That’s why it’s called squirrel cage induction motor Normally, we use the motors in industrial drives because they are rugged, reliable and economical
Computations and circle diagrams:Double Squirrel Cage , Jun 06, 2015· Double Squirrel Cage Motor The main disadvantage of a squirrel-cage motor is its poor starting torque, because of its low rotor resistance The starting torque could be increased by having a cage of high resistance, but then the motor will have poor efficiency under normal running conditions (because there will be more rotor Cu losses)
Construction of induction motor, stater and rotor of , Those induction motors which employ squirrel cage rotor are called squirrel cage induction motors Most of 3-phase induction motors use squirrel cage rotor as it has a remarkably simple and robust construction enabling it to operate in the most adverse circumstanc However, it suffers from the disadvantage of a low starting torque
Deep Bar Double Cage Induction Motor | Electrical4U Hence, this squirrel cage single bar single cage rotor is not being able to apply against high load We should go for deep bar double cage induction motor to get higher starting torque Construction of Deep Bar Double Cage Induction Motor In deep bar double cage rotor bars are there in two layers Outer layer has the bars of small cross sections
Construction of Three Phase Induction Motor | Electrical4U Jul 11, 2019· The absence of slip ring and brushes make the construction of Squirrel cage three-phase induction motor very simple and robust and hence widely used three phase induction motor These motors have the advantage of adopting any number of pole pairs
What is Double Cage Rotor of an Induction Motor? - Circuit , Double Cage Rotor of an Induction Motor A Double Cage Induction motor is that type of motor in which a double cage or two rotor windings or cages are used This arrangement is used for obtaining high starting torque at a low value of starting current The stator of a double cage rotor of an induction motor is same as that of a normal induction motor
Double Squirrel Cage Induction Motor - your electrical guide Jul 08, 2017· A double squirrel cage induction motor consists of a rotor which has two independent cages one above the other in the same slot A double squirrel cage rotor is shown in the figure The upper slot conductors from the outer cage and the lower slot conductors form the inner cage
Double Cage Rotor | Circuit Modelt - EEEGUIDECOM Oct 23, 2016· Double Cage Rotor: Double Cage Rotor – A rotor design, which though more expensive gives still better starting, and running performances than the deep-bar design, is the double-cage rotor The squirrel-cage winding in this design consists of two layers of bars short-circuited by end rings
The model of double-cage induction motor for the analysis , The model of double-cage induction motor for the analysis of thermal fields in transient operations Article (PDF Available) January 2017 with 878 Reads DOI: 101515/aee-2017-0030
Single Cage & Double Cage Induction Motors | Electricalvoice Mar 26, 2018· In this article, we will see the difference between Single Cage & Double Cage Induction Motors Single Cage Double Cage 1 Starting performance As compare to double cage rotor, the single cage has less starting torque so at starting less heating loss occur A double cage motor develops higher starting torque for low starting current and .
Induction Motor Construction (Squirrel Cage Rotor) - YouTube Mar 17, 2019· Watch video If you want to learn about Induction Motor Construction (Squirrel Cage Rotor), you wil get basic knowledge about basic parts of induction motor (Fan, rotor, stator, terminal box .
Double squirrel cage motor | electricaleasy Squirrel cage motors are the most commonly used induction motors, but the main drawback in them is their poor starting torque due to low rotor resistance (Starting torque is directly proportional to the rotor resistance)But increasing the rotor resistance for improving starting torque is not advisory as it will reduce the efficiency of the motor (due to more copper loss)
Construction of squirrel cage induction motor explained Know about the most popular and almost unbreakable construction of Squirrel Cage Induction Motor Know about the different winding slots, lamination of the stator and its construction Also appreciate the rugged construction of squirrel cage rotor and know the spectacular reasons for the skewed arrangements of the rotor conductors Know how a rotating magnetic field is produced
Squirrel cage Induction motor Advantages, Disadvantages , Nov 15, 2011· Advantages of Squirrel Cage Induction Motor: Squirrel Cage Induction motors are cheaper in cost compared to Slip Ring Induction motors Requires less maintenance and rugged construction B ecause of the absence of slip rings, brushes maintenance duration and cost associated with the w ea r and tea r of brushe s are minimized
Electric motor - Construction of induction motors , Electric motor - Electric motor - Construction of induction motors: The stator frame consists of laminations of silicon steel, usually with a thickness of about 05 millimetre Lamination is necessary since a voltage is induced along the axial length of the steel as well as in the stator conductors The laminations are insulated from each other usually by a varnish layer
Squirrel Cage Induction Motor - Servo Motor, Servo Drives The majority of commercial and industrial applications usually involve the use of a three-phase squirrel-cage induction motor A typical squirrel-cage induction motor is shown The rotor is constructed using a number of single bars short-circuited by end rings and arranged in a hamster-wheel or squirrel-cage configuration
Three Phase Induction Motor: Construction, Working Principle Motors employing this type of rotor are widely known as “phase-wound” motors or wound motor or “slip-ring” motors SQUIRREL CAGE ROTOR : Almost 90 percentage of induction motors are squirrel-cage type, because this type of rotor has the simplest and most rugged construction imaginable and is almost indestructible
Double Cage Induction Motor - Electrical Engineers Guide Dec 27, 2015· Construction An induction motor with two cage rotor is used for high starting torque The slotting arrangement for double cage induction motor is as shown in above figure As the name indicate the double cage induction motor has two winding in rotor The outer bars consists of rotor bars having low reactance and high resistance