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Why used distributed winding instead of concentrated winding in alternator?
Distributed winding in alternators is preferred over concentrated winding because it reduces harmonic distortion and improves the sinusoidal waveform of the generated voltage. This configuration also enhances the machine's performance by minimizing the effects of armature reaction and improving the magnetic field distribution. Additionally, distributed windings allow for better heat dissipation and mechanical stability, leading to increased efficiency and reliability of the alternator.
What is concentrated winding?
a winding is called concentrated winding when the number of slots per pole per phase is fractional
The difference between enameled wire and magnet wire?
An important type of winding wire
What is different between double layer media and a single layer media?
difference between single layer and double winding
What is the difference between the two mine winches shown here?
What do you think a countweight does for a mine winding system.
What is the difference between autotransformer and two winding transformer?
Main difference is that , that the auto_t is electrical based while the other t is based on mutual inductance.
What is difference between main winding and auxiliary winding?
In the case of a capacitor-start/run single-phase induction motor, the main field is provided by the main (running) winding, and the capacitive branch is the auxiliary winding. In the case of a capacitor-start motor, the main winding is the running winding and the auxiliary winding is the starting winding.
How many types of winding are used in AC and DC motors?
IN DC MOTORThere are 2 types of windings:1. Field windingOn poles core which are on stator body.These are always concentrated type.2. Armature windingOn rotor on motor may be simplex or multiplex and lap or wave connected.IN AC (Synchronous ) MOTOR3-phase star or delta connected on stator (armature ) suppliedby 3 phase may be concentrated or distributed (usually preferred) .Rotor (field ) has concentrared in salient pole type nd distributed in cylindrical type supplied by DC supply.IN AC ( Induction ) MOTOR3-phase (star or delta connected) distributed winding on stator and wound rotor .In squirrel cage rotor short circuted copper bars are used.
Lap winding and wave winding?
Both lap winding and wave winding are found in the use of DC generators. The main difference is as follows: lap winding is high current, low voltage, and wave winding is low current, high voltage.
What is the purpose of capacitor in a single phase motor?
the purpose of the capacitor is to create a phase difference between main winding current and axillary winding. this would produce a rotating constant magnetic field which is required to produce the torque.
If a split-phase motor has two poles on the main winding how many poles are needed for the auxiliary winding?
In a split-phase motor, the auxiliary winding typically has the same number of poles as the main winding to ensure proper phase shift and operation. Therefore, if the main winding has two poles, the auxiliary winding will also require two poles. This configuration helps create the necessary starting torque by generating a phase difference between the two windings.
What happens when the primary winding is energized and the secondary winding is open circuited?
A voltage appears between the terminal points of the secondary winding
