Cc H1083 Pages: 2

Reg No.:_ Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
EIGHTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2019
Course Code: EE464
Course Name: Flexible AC Transmission Systems

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 What is FACTS? Name different FACTS devices. (5)
2 How reactive power compensation can be achieved in a radial line? Explain with (൭)

the help of voltage profile plots.
3 What are the methods for controllable static VAR generation? (5)
4 What is the basic concept of voltage and phase angle regulator? How they differ (5)
in function?
5 What is the basic principle of operation of STATCOM? (5)
6 Draw the functional schematics and phasor diagram of SSSC and Series (5)

capacitor compensation. What is the advantage of SSSC over Series capacitor

compensation?
7 What are the power transmission parameters that can be controlled using UPFC? (5)
8 Explain the working principle of a IPFC with schematic of basic two-converter (5)

Interline Power Flow Controller scheme.

PART छ
Answer any two full questions, each carries 10 marks.
9 How series capacitor can be used for power flow control through atransmission (10)

line? Derive the power transfer equation and explain the influence with power
angle curve.

10 Compare between Static converter based and Passive Impedance based var (10)
generators
11 Transient stability limit can be is increased for enhanced power transmission 0४ (10)

shunt compensation. How?

PART C
Answer any two full questions, each carries 10 marks.
12 With schematic explain the following variable impedance type VAR Generators (10)

and draw their VI characteristics -TCR , TSC and FC-TCR

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