DC Machines and Transformers Laboratory - EE25403

 

EE25403:

DC Machines and Transformers Laboratory

 

Course Objectives:

To educate the students about the concept of electromechanical energy conversion system and different types of DC generator and its characteristics. To impart knowledge on the principle of operation, starting and speed control methods of DC motor. To facilitate the students regarding the working principle of single phase Transformers and various tests involved. To make the students to understand the working of auto transformer and three phase transformers.

 

List Of Experiments

• Open circuit and load characteristics of a separately excited DC Generator

• Study of starters of DC motors

• Speed control of DC shunt motor

• Load test on DC shunt motor.

• Load test on DC series motor

• Load test of DC compound motor

• Swinburne’s test.

• Hopkinson’s Test.

• Open circuit and short circuit test on single-phase transformer.

• Separation of no-load losses in a single phase transformer.

• Sumpner’s test to determine the temperature rise of transformers

• Connections of multi-phase transformers.

• Scott Connection for Phase Conversion of Transformers

 

T1: Modeling of electrical machines using differential equations

T2: Simulation of DC machines and transformers using differential equations.

 

Weightage: Continuous Assessment: 60%, End Semester Examinations: 40%

Assessment Methodology: Project (30%), Assignment (10%), Practical (30%), Internal Examinations (30%)