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Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

EIGHTH SEMESTER B.TECH DEGREE EXAMINATION(S), OCTOBER 2019

Course Code: EE464
Course Name: Flexible AC Transmission Systems

Pages: 2

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 Name different FACTS devices with their circuit representations. (5)
2 Why midpoint of a symmetrical transmission line is considered ideal for shunt (5)
compensation?
3 Differentiate between the working of TSR and TCR (5)
4 Draw the phasor diagram of the 3 phase PAR (5)
5 What is the basic principle of operation of STATCOM? (5)
6 Draw the V-I characteristics of STATCOM and SVC and compare. (5)
7 Draw the circuit configuration of SSSC (5)
8 How to implement a UPFC using two voltage source converters? (5)
PART 8
Answer any two full questions, each carries 10 marks.
9 How power flow in an interconnected AC system can be controlled? What are (10)
the constraints in maximum line loading?
10 Compare between Static converter based and Passive Impedance based var (10)
generators
11 By shunt compensation the transient stability limit and power transfer capability (10)
can be is increased. How?
PART ட
Answer any two full questions, each carries 10 marks.
12 a) HowaTSC can be implemented? Draw the schematic. (5)
b) What is the role of series inductor in a TSC? (5)
13 a) What are the objectives of a voltage regulator and a phase angle regulator? (4)
b) How the concept of voltage regulator and phase angle regulator can be (6)
implemented? Explain with schematic and phasor diagram.
14 a) HowaTCSC can be implemented? Draw its operating region. (5)

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