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Roll No.
Total No. of Questions : 09
Total No. of Pages : 02
B.Tech.(EE/Electrical & Electronics) (2011 Onwards E-I)
(Sem.-6)
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INSTRUMENTATION IN POWER SYSTEM
Subject Code : BTEE-605C
M.Code : 71154
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
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- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
- Answer briefly :
- Define accuracy and precision.
- What is linearity of a transducer?
- What are the application of SCADA system?
- What do you mean by the term 'shielding'?
- What is the function of sample and hold circuit?
- What are the properties of modulated signals?
- What is meant by Total Harmonic distortion?
- Differentiate between electrical and mechanical transducers.
- What is the purpose of “multiplexer” in a telemetry system?
- What are the components of SCADA?
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SECTION-B
- Explain SCADA architecture in detail. State advantages and disadvantages of SCADA systems.
- What are the different types of telemetering system? Explain the land-line telemetering system and describe its advantages.
- What is the role of instrumentation in hydro power plant? Explain detail with proper diagram.
- What is a power factor? Explain the method of measurement of power factor. Also, explain the active and reactive powers in a plant.
- Explain the circuit of multimeter for measurement of a.c. voltages.
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SECTION-C
- Explain the working principle of single phase induction type energy meter. Also discuss various methods of frequency and phase angle measurements with neat diagrams.
- Explain the working of capacitive type potential transformer with their transient behaviour.
- Explain the effect of following on Current transformers
- Change of primary winding current
- Change of secondary circuit burden
- Change of frequency
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech 6th Semester Last 10 Years 2009-2019 Previous Question Papers|| Punjab Technical University