what is the main difference between a slip ring and a squirrel-cage induction motor?
312807
1. The major difference between them is that the slip ring's motor comes with an external circuit that controls the speed of a motor. On the other hand, the squirrel cage motor does not have any external circuit and it is not possible to add one since the motor bar is spotted permanently at the end of that ring.
1446094
The cost of the phase wound rotor is high because it consists brushes. The squirrel cage motor is cheap. The starting current of the phase wound rotor is low because it is controlled by resistance circuit whereas it is high in squirrel cage motor.
165698
Difference between Three Phase Induction Motor and Synchronous Motor. A three phase Synchronous motor is a doubly excited machine, whereas an induction motor is a single excited machine. The armature winding of the Synchronous motor is energized from an AC source and its field winding from a DC source.
1009912
While induction and universal motors differ in their construction, they both run on AC (universal can run on both DC and AC). The main difference is that the induction motor's rotor does not have to be connected using electrical connections. ... However, it has some modification that allows it to run on AC power.
58806
The main difference between Lever and Pulley is that the Lever is a one of the six simple machines and Pulley is a simple machine; wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable. ... A lever is a rigid body capable of rotating on a point on itself.
303198
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's rotor can be either wound type or squirrel-cage type.
596699
2) Servo motor is closed loop system where as induction motor is an open loop system. ... 4) Speed is constant in servo motor. 5) As in induction motor stator is formed by coils while in servo motor stator is formed with permanent magnet. So in induction motor very high inertia is there while in servo inertia is low.
1193723
The major difference between conduction and induction is that conduction allows the charging of a neutral body with a charged body by forming a direct contact with it. While induction is the process of charging a neutral body by a charged body without making any direct contact.
1202340
When a motor is running in steady state, the armature current is constant, and the electrical torque is equal and opposite of the mechanical torque. When a motor is decelerating, the motor torque is less than the load torque. Conversely, when a motor is accelerating, the motor torque is higher than the load torque.
1324066
Difference Between Eddy Current & Hysteresis Loss. The most significant difference between the Eddy current and Hysteresis loss is that the eddy current loss occurs because of the relative motion between the conductor and the magnetic field. Whereas the hysteresis loss occurs because of the reversal of the magnetism.
90073
As nouns the difference between induction and inductance is that induction is an act of inducting while inductance is the property of an electric circuit by which a voltage is induced in it by a changing magnetic field.
154072
AC induction motors have no brushes and have a much longer life expectancy. DC motor speed is controlled by varying the armature current, while AC motor speed control is achieved by varying the frequency of the alternating current, often with a variable frequency drive(VFD).
797500
In addition, the difference between the long, medium, and short derailleurs is the length of the cage. The cage is those 2 idler wheels on the rear derailleur. In a short derailleur, the idler wheels are closer to together while a long derailleur they are further apart.
583691
The key difference between inertia and pre-engaged starting is that the pinion on a pre-engaged starter motor fully engages with the ring-gear before rotating at high-speed. ... With inertia starters, the sudden impulse of the pinion as it begins to rotate causes the gear to move forward along a helix shaft.
620989
Brushless DC motors are similar to AC synchronous motors. The major difference is that synchronous motors develop a sinusoidal back EMF, as compared to a rectangular, or trapezoidal, back EMF for brushless DC motors. Both have stator created rotating magnetic fields producing torque in a magnetic rotor.
697011
['Electromagnetic Relays: Armature. Induction cup / induction disc.', 'Static Relays: Analog input signals are processed by solid state devices.', 'Digital / Numerical Relays: Uses programmable solid state devices based on digital signal processing.']
491998
Unlike electronic lockers, the G80 engages and disengages automatically, with no input from the driver. When the G80 detects excessive wheel slip, a flyweight-type governor engages.