This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION — WINTER 2017
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Subject Code: 2170910 Date:02/11/2017
Subject Name: Power Quality and Management(Departmental Elective - II)
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Explain Responsibilities of the Suppliers and Users of Electrical Power. [03]
(b) Define following terms with suitable example [04]
- Non Linear loads
- Inrush Current
- Power Factor
- Transient
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(c) Explain Causes of Voltage and current harmonics. [07]
Q.2 (a) What is ferro resonant transformer? [03]
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(b) How Mitigation Voltage Sags? [04](c) Explain power factor improvement using static VAR compensators [07]
OR
(c) Explain voltage tolerance criteria with suitable example [07]
Q.3 (a) Explain Types of transients. [03]
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(b) What is Voltage Notch And Voltage swing [04](c) Explain the causes of transients. [07]
OR
Q.3 (a) What Is SMPS? [03]
(b) What is Individual and Total Distortion? [04]
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(c) Explain Causes of Harmonics. [07]Q.4 (a) What is need of filtering in harmonics studies? [03]
(b) Give names of Harmonics Signature. Explain Adjustable Speed Drives(ADSS) [04]
(c) Discuss the Effect of harmonics on different loads [07]
OR
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Q.4 (a) What is the effect of harmonics on Capacitor Banks [03]
(b) What Is grounding? Explain the electric code grounding requirement [04]
(c) Explain Methods by which Harmonics can be Eliminated. [07]
Q.5 (a) Explain the single reference ground methods. [03]
(b) What is Transient Disturbance Analyzer and True RMS Meter [04]
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(c) What is EMI? Explain the EMI Mitigation techniques [07]OR
Q.5 (a) Explain Active power and Reactive power [03]
(b) Explain interference with relaying in distributed generation [04]
(c) Explain Different EMI terminology. [07]
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This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
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