Dr. A.P.J. Abdul Kalam University MTECH II SEM (MTPS) Power System Transients [MTPS205] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

Second Semester Examination, June-2021

Power System Transients [MTPS205]

Time: 3:00 Hrs Max Marks 70

Note : Attempt any five questions out of eight.

All questions carry equal marks.

Q.1 Explain Lumped and distributed circuit transients. Explain Earth and earth

wire effects in power system.

Q.2 Explain dielectric properties of Insulation Coordination. Define breakdown

of gaseous insulation. Explain Earth and earth wire effects in power system.

Q.3 Explain circuit breakers working principal and types. Writ short note on

Trapped charge effects. Write methods of Control of transients.

Q.4 Write Insulation Coordination. Explain Origin and nature of transients and

surges? Explain Origin and nature of transients and surges?

Q.5 Explain Over voltage limiting devices and Trapped charge effects. Explain

Line energy station and de-energy station transients.

Q.6 Explain various types of faults in power system. Explain Lightning

phenomena.

Q.7 Explain Effect of source and source representation in short line fault studies.

Q.8 Explain Current chopping phenomenon in circuit breakers. Explain Short

line fault conditional and its relation to circuit breaker duty

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