Introduce of construction of Dc machin @manojkuma

in #introduce7 years ago (edited)

Dc machine is convert to electrical energy to machanical energy.
Types of dc machine
1)Dc motor
2)Dc generator
☆First of all dc motor is convert to electrical energy to machanical energy.
☆Second of dc generator is convert to machanical energy to electrical energy.

Working principle of dc machine-
Based on electromachanical energy conversion principle
The basic concept is when a current carrying conductor placed in magnetic field.It experiences a force which tense to move it i.e.the electrical energy is converted into machanical energy.In case of generator if an extarnali applied force makes the conductor to move in the magnetic field the current stats to flow in conductor. i.e. machanical energy in converted into electrical energy

☆Constructio of dc machine-
Main part of dc machine
1)Magnetic frame or yoke
2)Pole core of pole shoes
3)field or exciting coils
4)Armature core
5)Armature winding
6)Commutator
7)Brushes
8)End houshing
9)Bearing
10)Shafft

☆Application of dc machine
》Dc series motor-
These motor are use where high starting tork is required.
Like =train,crane,lift
》Dc shunt motor-
These motors are used where easy smooth speed control is required .Dc shunt motor speed can easly control machine.
Like=Fans,pumps
》Dc compound motor-
These motor are used where large load is connected and momentary tork is required.
Like=cutting tools in industries
☆☆Like that some diag. Dc machine

That is some point of dc machine
And i am new in this platform so plzz support me

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