Download GTU BE/B.Tech 2018 Winter 8th Sem Old 182401 Power Electronics Applications In Power System Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 8th Sem Old 182401 Power Electronics Applications In Power System Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII (OLD) EXAMINATION ? WINTER 2018
Subject Code: 182401 Date: 19/11/2018

Subject Name: Power Electronics Applications In Power System

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS

Q.1 (a) Draw and Explain block diagram of Photovoltaic Array
interconnection to Power System.
07
(b) Discuss on basic elements of static relays with illustration. 07

Q.2 (a) Compare the following terms: 1. UPFC and IPFC 2. SVC
and STATCOM
07
(b) Define DPF. List and Explain the generation and effect
of current harmonics in power system.
07
OR
(b) Explain TCR flexible transmission controller with neat
diagram.
07

Q.3 (a) Explain the operation of SVC. 07
(b) Explain the operation of STATCOM. 07
OR
Q.3 (a) Write brief note on wind and small hydro connection. 07
(b) Discuss bipolar link in HVDC system with merits and
demerits.
07

Q.4 (a) Write brief note on standards related to power quality in
power system.
07
(b) Define THD. List and Explain need for improved utility
interface.
07

OR
Q.4 (a) Define Power quality according to IEEE. Also categorized
Power quality with IEEE 519 standard.
07
(b) Explain generation, standards and reduction of
Electromagnetic Interference.
07

Q.5 (a) Discuss on various possible HVDC configurations
employed in the transmission system.
07
(b) Summarize the application of power electronics on the
pavement of HVDC ? Transmission on Indian - grid.
07
OR

Q.5 (a) Explain control of HVDC converter with necessary circuit
and V- I characteristics.
07
(b) Write technical Note on: 1. PAR 2. Differential static
overcurrent relay.
07

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