Download GTU BE/B.Tech 2017 Winter 7th Sem New 2170910 Power Quality And Management Departmental Elective Ii Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 7th Sem New 2170910 Power Quality And Management Departmental Elective Ii Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2017
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:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Q.1 (a) Explain Responsibilities of the Suppliers and Users of Electrical Power. 03
(b) Define following terms with suitable example
1.Non Linear loads 2.Inrush Current 3.Power Factor 4.Transient

04
(c) Explain Causes of Voltage and current harmonics. 07
Q.2 (a) What is ferro resonant transformer? 03
(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
(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
(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
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
(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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