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Switchgear and Protection Lab (B.Tech)

Testing of relays, circuit breakers and protection schemes.

6 MonthsDuration 4Chapters14Topics
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Syllabus · पाठ्यक्रम

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01Overcurrent and Earth-Fault Relays 3 topics
  1. Characteristics of an electromagnetic IDMT relay
  2. Characteristics of a numerical overcurrent relay
  3. Earth-fault relay testing
02Differential, Directional and Distance Relays 3 topics
  1. Percentage differential relay for transformer protection
  2. Directional overcurrent relay
  3. Impedance characteristic of a distance relay
03Circuit Breakers and Fuses 4 topics
  1. Time-current characteristics of an MCB
  2. Characteristics of an HRC fuse and fusing factor
  3. Dielectric strength of transformer oil
  4. Study of VCB and SF6 circuit breakers
04Apparatus Protection 4 topics
  1. Study of Buchholz relay
  2. Generator protection scheme (simulation / panel)
  3. Motor protection relay
  4. Feeder protection panel

About

You will be able to

  • Plot characteristics of electromagnetic and numerical overcurrent and earth-fault relays
  • Test percentage differential, directional and distance relays
  • Find time-current characteristics of MCBs and HRC fuses
  • Study circuit breakers and the Buchholz relay and test transformer oil
  • Explain generator, motor and feeder protection schemes in the lab

Who it is for

  • B.Tech Electrical Engineering students of Semester 7 under AKTU
  • Students who want guided practice before the internal and external lab examination and viva

What you need

  • Switchgear and Protection theory (studied alongside)
  • Lab safety discipline, relay test kit familiarity and a record file

Questions

Which syllabus is followed?

The current AKTU (Dr. A.P.J. Abdul Kalam Technical University, Lucknow) B.Tech syllabus of Switchgear and Protection Lab (Electrical Engineering, Semester 7). If your university or college follows a different syllabus, the centre teaches from your own university syllabus.

How is the lab assessed?

By the experiment performed, readings or output, the practical record file and a viva voce, as in the AKTU internal and external lab examination.

Do I need to maintain a record file?

Yes. The centre helps you write each experiment with aim, apparatus, theory, circuit diagram, observations, calculations, result and precautions.

Download the syllabus (PDF)

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