Testing & Maintenance of Electrical Equipment (26753/66775)

Course conducted by
Rubel Hossen
Instructor
Electrical Technology
Semester : 5th & 7th
Daffodil Polytechnic Institute

Subject Overview : Diploma in engineering level students is required to acquire the knowledge and skills on the area of Testing and Maintenance of Electrical Equipment. It is one of the most important subject in respect to provide the students opportunities to acquire knowledge, skill and attitude in the area of testing and maintenance of electrical equipment with the special emphasizes on: Trouble shooting and Maintenance of electrical equipment, Faults findings and remedy the faults of Battery, DC Generators, DC motors, Faults findings and remedy the troubles of Transformers, Induction motors, Auto Star-Delta starter, Forward-Reverse ( 3 - Phase ) motor starter, Magnetic contact, Over Load Relay (OLR ), Test trip , 3 -Phase motor reverse rotation, Phase Sequence change, Alternator Faults findings and remedy the troubles of Synchronous motor and Circuit breaker, Power factor improvement unit (PFI), Solar system maintenance
Learning Outcome (Theory:

After Completing the subject, students will be able to:

1. Find the troubles of battery, DC generators and DC motor.

2. Describe the faults of single phase and three phase Transformer.

3. Outline the provable faults of single-phase induction motor.

4. Explain the faults of three phase induction motor

5. Explain the troubles of Alternator and Synchronous motors.

6. State the faults of Circuit breaker.

7. Illustrate the faults of Auto Star-Delta starter.

8. Explain the troubles of Overload Relay (OLR).

9. Discuss the troubles of power factor improvement unit (PFI).

10. State the faults of solar system.

Learning Outcome (Practical):

After undergoing the subject, students will be able to:

1. Perform the different test of storage Battery.

2. Detect the causes of voltage build up failure of DC generator and failure of running of DC motor.

3. Perform routine test of Single phase and Three phase distribution Transformer.

4. Recognize the faults of Single phase and Three phase Induction motors.

5. Detect the faults of Auto Star-Delta Stater and Overload relay.

6. Detect the common faults of Alternator.

7. Detect the troubles of Synchronous motor.

8. Identify common faults of High Voltage circuit Breaker.

9. Perform the testing of power factor improvement unit (PFI)

10. Detect the faults of solar system.