Question Paper Name: 5220 Real Time Power System Analysis and Smart Grid 30th June 2019 Shift 1
Subject Name: Real Time Power System Analysis and Smart Grid
Creation Date: 2019-06-30 13:01:46
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Duration: 180
Total Marks: 100
Display Marks: Yes
Real Time Power System Analysis and Smart Grid
Group Number: 1
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Group Id: 489994175
Group Maximum Duration: 0
Group Minimum Duration: 120
Revisit allowed for view?: No
Revisit allowed for edit?: No
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Break time: 0
Group Marks: 100
Real Time Power System Analysis and Smart Grid
Section Id: 489994231
Section Number: 1
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Section type: Online
Mandatory or Optional: Mandatory
Number of Questions: 100
Number of Questions to be attempted: 100
Section Marks: 100
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Display Number Panel: Yes
Group All Questions: No
Sub-Section Number: 1
Sub-Section Id: 489994248
Question Shuffling Allowed: Yes
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Question Number: 1 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
In traditional power system, energy generally flows in
A. One direction
B. Bi-direction
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C. Does not flow
D. None of the above
Options:
1. 1
2. 2
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3. 3
Question Number: 2 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Equal area criterion gives the information regarding
A. stability region
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B. absolute stability
C. relative stability
D. swing curves
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 3 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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Steady state stability of a power system is improved by
A. Single pole switching
B. Decreasing generator inertia
C. using double circuit line instead of single circuit line
D. all of the above
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 4 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
What is the value of transient stability limit?
A. Higher than steady state stability limit
B. Lower than steady state stability limit.
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C. Depending upon the severity of load
D. All of these
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 5 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
A. The maximum flow of power through a particular component connected in the power system
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Question Number: 6 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
What is power system stability?
A. The maximum power flow possible through a particular component connected in the power system.
B. The ability of the power system to regain the state of operating equilibrium point when the system is subjected to any disturbances.
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C. It is a phenomenon in which a power system losses its operating equilibrium when subjected to large disturbances.
D. All of these
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 7 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Advantages of gauss siedel method is/are
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A. calculation time for each iteration is less
B. number of iterations are less
C. applicable for large power system network
D. all of the above
Options:
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1. 1
2. 2
3. 3
4. 4
Question Number: 8 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
In load flow studies, the quantities specified at load bus are
A. P and V
B. P and Q
C. V and d
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D. d and Q
Options:
1. 1
2. 2
3. 3
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4. 4
Question Number: 9 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Which of the following matrix is used for load flow studies?
A. Y bus matrix
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B. Z bus matrix
C. Unit Matrix
D. Null Matrix
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 10 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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In load flow studies PV bus is treated as PQ bus when
A. phase angle become high
B. voltage at the bus become high
C. reactive power goes beyond limit
D. any of the above
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 11 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
For accurate load flow calculations on large power systems, the best method is
A. N-R method
B. G-S method
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C. Decoupled method
D. All of the above
Options:
1. 1
2. 2
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3. 3
Question Number: 12 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
The Critical Clearance time of a fault in the power system is related to
A. Reactive power limit
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B. Short Circuit limit
C. Steady state stability limit
D. Transient stability limit
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 13 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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If the torque angle of the alternator increases indefinitely the system will show
A. Steady state stability limit
B. Transient state stability limit
C. Instability
D. None of the above
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 14 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
The steady state stability of the power system can be improved by:
A. Increasing the number of parallel lines between the transmission points
B. Connecting capacitors in series with the line
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C. Reducing the excitation of the machines
D. Both a and b
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 15 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
speed breakers can
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A. Increase the transient stability
B. Decrease the transient stability
C. Increase the steady state stability
D. Decrease the steady state stability
Options:
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1. 1
2. 2
3. 3
4. 4
Question Number: 16 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
In Hardware in loop
A. Both controller and plant are in simulation
B. Plant is simulated and controller is real
C. Controller is simulated and plant is real
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D. None of the above
Options:
1. 1
2. 2
3. 3
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4. 4
Question Number: 17 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Real-time Simulation
A. Is required when real hardware is connected to the simulation
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B. ensures coherent time responses: determinism
C. allows the simulation to lure the real hardware
D. all of above
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 18 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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In real time simulation, which of the following solver is used:
A. Variable step
B. Fixed step
C. Both a and b
D. None of the above
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Options:
1. 1
2. 2
Question Number: 19 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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In real time simulation, host PC and target PC are connected through
A. Ethernet
B. Wi-fi
C. Bluetooth
D. None of the above
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 20 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
In RT lab, following block is used for communication between two subsystems:
A. OpComm
B. Opwrite
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C. Both a and b
D. None of the above
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 21 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Syntax for Master subsystem in RTLab is:
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A. SM
B. CM
C. ZM
D. GM
Options:
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1. 1
2. 2
3. 3
4. 4
Question Number: 22 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
A.
B. CS
C. ZS
D. GS
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 23 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Syntax for Console subsystem is
A. SC
B. CC
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C. ZC
D. GC
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 24 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Shunt Compensation is used to
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A. Improve voltage Profile
B. Decrease Transmission line impedance
C. Control phase angle
D. None of these
Options:
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1. 1
2. 2
3. 3
4. 4
Question Number: 25 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
Series Compensation is used to
A. Improve voltage Profile
B. Decrease Transmission line impedance
C. Control phase angle
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D. Both B and C
Options:
1. 1
2. 2
3. 3
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Question Number: 26 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
When voltage generated by STATCOM (Vo) exceeds system voltage (Vs),
A. Reactive power is generated by STATCOM
B. Reactive power is absorbed by STATCOM
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C. Active power is generated by STATCOM
D. Active power is absorbed by STATCOM
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 27 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
When voltage generated by STATCOM (Vo) is less than system voltage (Vs),
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A. Reactive power is generated by STATCOM
B. Reactive power is absorbed by STATCOM
C. Active power is generated by STATCOM
D. Active power is absorbed by STATCOM
Options:
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1. 1
2. 2
3. 3
4. 4
Question Number: 28 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
When voltage generated by STATCOM (Vo) leads system voltage (Vs),
A. Reactive power is generated by STATCOM
B. Reactive power is absorbed by STATCOM
C. Active power is generated by STATCOM
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D. Active power is absorbed by STATCOM
Options:
1. 1
2. 2
3. 3
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4. 4
Question Number: 29 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
A. Reactive power is generated by STATCOM (Vo) lags system voltage (Vs),
Question Number: 30 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
TCSC is used to
A. Reduce Transmission line impedance
B. Increase Transmission line impedance
C. Improve Voltage Profile of transmission line
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D. None of the above
Options:
1. 1
2. 2
3. 3
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4. 4
Question Number: 31 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
TCSC can control the line impedance through the introduction of a
A. thyristor controlled capacitor in series with the transmission line
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B. thyristor controlled reactor in series with the transmission line
C. thyristor controlled capacitor in parallel with the transmission line
D. thyristor controlled reactor in parallel with the transmission line
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 32 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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When the reactance of the fixed capacitor is less than that of the parallel connected variable reactor in TCSC,
A. this combination provides a variable capacitive reactance.
B. A resonance develops that result in infinite capacitive impedance,
C. combination provides a variable inductive reactance
D. None of the above
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Options:
1. 1
2. 2
Question Number: 33 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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When the reactance of the fixed capacitor is equal to that of the parallel connected variable reactor in TCSC,
A. this combination provides a variable capacitive reactance.
B. A resonance develops that result in infinite capacitive impedance,
C. combination provides a variable inductive reactance
D. None of the above
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 34 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
When the reactance of the fixed capacitor is greater than that of the parallel connected variable reactor in TCSC,
A. his combination provides a variable capacitive reactance.
B. A resonance develops that result in infinite capacitive impedance,
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C. combination provides a variable inductive reactance
D. None of the above
Options:
1. 1
2. 2
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3. 3
4. 4
Question Number: 35 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
UPFC is capable of regulating
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A. Regulating voltage of bus
B. active power flow acting as a phase shifter
C. active power flow acting as a variable series compensator
D. All of the above
Options:
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1. 1
2. 2
3. 3
4. 4
Question Number: 36 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
se angle of series injected voltage is in phase with nodal voltage
A. UPFC regulates the voltage of bus
B. UPFC regulates active power flow acting as a phase shifter.
C. UPFC regulates active power flow acting as a variable series compensator.
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D. UPFC operates as a combination of the voltage regulator, phase shifter, and variable series compensator.
Options:
1. 1
2. 2
3. 3
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4. 4
Question Number: 37 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
UPFC is capable of
A. Capable of controlling all power flow parameters (V, d, X) either simultaneously or selectively
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B. Operated as SSSC, or STATCOM independently
C. independently control real power without altering reactive power
D. All of the above
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 38 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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Disadvantage(s) of UPFC is/are
A. Cost per KVAR is very high
B. Procurement, and installation of UPFC is an exclusive monopoly of the supplier
C. Both A and B
D. None of the above
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Options:
1. 1
2. 2
3. 3
4. 4
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Question Number: 39 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
FDLF method is used for what studies?
A. Multiple load flow studies
B. Optimisation studies
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C. Small size systems
D. Both (a) and (b)
Options:
1. 1
Question Number: 40 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
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Correct Marks: 1 Wrong Marks: 0
Transient stability limit of a power system be improved by using
A. Series inductor
B. Shunt resistance
C. Series Resistance
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D. Series Capacitor
Options:
1. 1
2. 2
3. 3
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4. 4
Question Number: 41 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
Transient stability limit is defined as
A. The maximum power flow possible through a particular component connected in the power system.
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B. The maximum flow of power through a particular point in the power system without loss of stability when large and sudden disturbances occur.
C. The maximum flow of power through a particular point in the power system without loss of stability when small disturbances occur.
D. None of the above
Options:
1. 1
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2. 2
3. 3
4. 4
Question Number: 42 Question Type: MCQ Option Shuffling: No Display Question Number: Yes Single Line Question Option: No Option Orientation: Vertical
Correct Marks: 1 Wrong Marks: 0
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The main drawback in NR method is
A. A large memory allocation is required to store the jacobian matrix
B. The number of iterations is more
C. Slow to converge
D. All of these
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Options:
1. 1
2. 2
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