Damage caused by locked rotor Severe thermal deterioration of the insulation in all phases of the motor normally is caused by very high currents in the stator winding due to a locked rotor condition It may also occur as a result of excessive starts or reversals...
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Dec 13, 2003 0183 32 Motor winding capacitance is often interpreted as stator to ground capacitance, unless there is a wound rotor motor where there would be capacitance between the stator winding and rotor winding RE Rotor/stator capacitance in induction motors...
In rotor the losses are rotor iron loss and rotor copper loss The other losses on the rotor side are friction losses at bearing and slip rings etc and the windage loss The stator iron losses depend upon the two factors namely flux density and the supply frequency...
Dec 18, 2015 0183 32 If we may consider an induction motor as a transformer in which the secondary winding-the rotor winding-frequency is variable f2=s f1 then the magnetic field excitation current will be constant and equals the sum vectorial of stator and rotor currents...
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The rotor and stator are separated by an air gap which allows free rotation of the rotor Typical Induction Motor Rotors The magnetic field generated in the stator induces an EMF in the rotor bars In turn, a current is produced in the rotor bars and shorting ring and another magnetic field is...
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A rotor of a so-called Lundell type structure is a known rotor used for a motor The rotor of the Lundell type structure has a pair of rotor cores and a field magnet placed between the pair of rotor cores in an axial direction of the rotor Each of the rotor cores includes a disk-shaped core base and a plurality of claw-shaped magnetic poles ....
There is much discussion in the industry about how to properly electrically test AC stator and wound rotor windings Topics include test voltage, procedure, frequency and when to perform the various tests...
A three phase Induction motor mainly consists of two parts called as the Stator and the Rotor The stator is the stationary part of the induction motor, and the rotor is the rotating part The stator is the stationary part of the induction motor, and the rotor is the rotating part...
The rotor is located inside the stator and is mounted on the AC motor s shaft The term rotor is derived from the word rotating The rotor then is the rotating part of the AC motor...
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The following are the losses in an induction motor Core loss in the stator and the rotor Stator and rotor copper losses Friction and windage loss Core loss is due to the main and leakage flux As the voltage is assumed constant, the core loss can also be approximated as a constant...
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Any Induction Motor has a Stator and a Rotor The construction of Stator for any induction motor is almost the same But the rotor construction differs with respect to the type which is specified above Stator The stator is the outer most component in the motor which can be seen It may be constructed for single phase, three phase or even poly ....
DETECTING STATOR AND ROTOR WINDING FAULTS IN THREE-PHASE INDUCTION MACHINES , Detection of a Stator Winding Asymmetry , 6 23 Detection of a Rotor , Front View of Assembled Rotor Eccentricity Test Motor , 21 18 Stator Short and Open Circuit Test ....
A three phase, four pole induction motor is made of two main parts - a stator and a rotor Use the interactive image below in this section to read more about the stator and rotor and learn about the part each plays in an electric motor...
Feb 06, 2015 0183 32 This video outlines what is a rotor and a stator found in AC and DC motors How AC and DC motors differ and how they work is also addressed in the video Electric motors convert electrical energy ....
The longer air gap thickness between the motor stator and the rotor, the more cooling liquid flowing through the air gap, which results the heat exchange becomes better between the motor and the cooling liquid and the temperature rise of the motor is lower...
Nov 06, 2018 0183 32 The two basic components are a rotating rotor and a stationary stator In the case of a motor, the rotor is the part of the device which supplies the working motion the machine is designed to produce In alternators and generators, ....
Electric motor designs can vary quite a lot, though in general they have three main parts a rotor, a stator and a commutator These three parts use the attractive and repulsive forces of electromagnetism, causing the motor to spin continually as long as it receives a steady flow of electric current...
Difference Between Stator Rotor The stator and rotor both are the parts of the electrical motor The significant difference between the rotor and the stator is that the rotor is the rotating part of the motor whereas the stator is the stationary part of the motor...
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The term, stator is derived from the word stationaryThe stator then is the stationary part of the AC motor The rotor is the rotating electrical component It also consists of a group of electro-magnets arranged around a cylinder, with the poles facing toward the stator pol...
Sep 25, 2017 0183 32 It never happens unless there is some fault in the motor, like when one or two of the stator phases get open circuited, or when there are broken rotor bars etc That results in an uneven torque and rotor vibrations...
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A stator winding is placed in the stator of induction motor and the three phase supply is given to it Rotor The rotor is a rotating part of induction motor The rotor is connected to the mechanical load through the shaft The rotor of the three phase induction motor are further classified as...
Experienced technicians guidance is available on the phone, and on the internet. One or more engineers will be dispatched to the quarry site to help install the customers’ plants. Necessary training about machine daily maintenance to local workers is provided also.
