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Electical machine winding

Course name: Armature winding

Terminal Competency:  The participant will be able to
1.   Observe the safety precautions while working
2.   Check and test the armature.
3.   Strip the old winding from the armature
4.   Record the winding data
5.   Prepare the armature for rewinding
6.   Wind the coils by hand insulate them
7.   Solder the leads to the commentator raisers.
8.   Varnish the armature winding.
9.   Understand end connection, electrical and distinguishing start and finish of each

 

Underpinning Knowledge (Theory)

Practical Competencies

Safety precautions

Safety precautions

Type of winding like lap and  wave winding
Introduction to armature winding
Method of dismantling the burnt winding wire.

Study the parts of armature.
Check and test the armature. Strip the old winding from the armature

Terminology used in winding like pole pitch coid pitch back and front pitch progressive and retrogressive winding etc.

Record the winding data

A/C/DC armature winding.

Prepare the armature for rewinding

Preparation of winding data for given armature.

Wind the coils by hand insulate them
Connection of armature leads on raiser.

Preparation of winding table , connection diagram, winding diagram for given armature.

Understand end connection, electrical and distinguishing start and finish of each

Impregnation methods of armature after rewinding and testing.

Varnish the armature winding



Course Name:Transformer Winding

Terminal competency

The Participant will be able to
1.   Dismantle the transformer cores
2.   Measure and also determine the size of winding wire for primary and secondary
3.   Take the dimensions of a bobbin and prepare the bobbin from  suitable materials
4.   Wind the primary and secondary winding layer by layer.
5.   Stack the cores and fasten them
6.   Test the transformer for insulation, transformation ratio and performance

Underpinning Knowledge (Theory)

Practical Competencies

Safety precautions

Safety precautions

Identification of phase and neutral in single-phase A/C. supply,

Testing the supply using test lamp with different wattage lamps.

Test a single-phase transformer for its continuity and insulation.

Take the dimensions of a bobbin and prepare the bobbin from suitable materials

Measuring a enameled   winding wire with
Std wire gauge.

Measure and also determine the size of winding wire for primary and secondary

Wind/rewind a small transformer

Dismantle /reassemble the transformer cores
Wind the primary and secondary winding layer by layer.

Use & Operation of hand operated and motorized coil winding machine.

Impregnation Varnish after testing the transformer – its advantages.

Familiarization and operation with the motorized coil winding machine
General  maintenance to be done

Test the transformer for insulation, transformation ratio and performance

 

Academics

AIU membership

UGC Approval

AICTE Approval

NAAC Accredited A Grade

NOC Higher Education

Gazette Info

Academic Calander

 NEW ACADEMIC CALENDAR OF ALL  SEMESTERS

   
   
MSSSoA B.F.Sc Academic Calendar (2018-19)
   
 

 

 
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