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Roll No. | [ ] [ ] [ ] Total No. of Pages : 02
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Total No. of Questions : 09
B.Tech.(EE) (2012 Onwards E-lll) (Sem.-7,8)
POWER QUALITY MONITORING AND CONDITIONING
Subject Code : BTEE-805A
M.Code : 71942
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Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
- 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.
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SECTION-A
- Answer briefly :
- What are the sources of short interruption?
- List out few power conditioning equipment.
- Define the term “power quality’in power system.
- What is the effect transfer due to harmonics?
- List out at least two IEEE and IEC standards.
- What is the need for power quality monitoring factor?
- What are the sources of sags and interruption?
- What is the need of computer analysis tools for transient studies?
- Give the monitoring objectives for power quality.
- How filtering is important in harmonic studies?
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SECTION-B
- Discuss the origin of short interruption in support of power quality.
- What is long duration voltage variation? Explain the main reasons of long duration voltage variations.
- What are the adverse effects of voltage sag? How can this be prevented?
- Explain the power system response characteristics under the presence of harmonics.
- Explain briefly about the power conditioning equipment.
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SECTION-C
- Categorize the major power quality problems and list the typical causes of the problems in each category.
- How do the harmonics get injected into the power system? What are the current and voltage harmonics?
- Write notes on :
- Power acceptability curves
- Voltage sag caused by the starting of motor.
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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 Question Papers 2020 March (All Branches)