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Test: Symmetrical Components - 2 - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: Symmetrical Components - 2

Test: Symmetrical Components - 2 for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: Symmetrical Components - 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Symmetrical Components - 2 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Symmetrical Components - 2 below.
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Test: Symmetrical Components - 2 - Question 1

The transmission line equations are given by the below set of equations based on the line diagram as given. Identify the missing term marked as ’?’.
Vs = A*Vr + B*Ir
Is = C*Vr + ?*Ir

Detailed Solution for Test: Symmetrical Components - 2 - Question 1

Using KVL to the line diagram,
Vs = (1+YZ)*Vr + Z*Ir
Is = Y*Vr + Ir.

Test: Symmetrical Components - 2 - Question 2

For a given power system, its zero and maximum regulation will occur at the impedance angle of

Detailed Solution for Test: Symmetrical Components - 2 - Question 2

At θ = 45°, ZVR and maximum VR coincide.

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Test: Symmetrical Components - 2 - Question 3

The maximum power delivered to the load for short transmission line is at

Detailed Solution for Test: Symmetrical Components - 2 - Question 3

Maximum power occurs for β = δ.

Test: Symmetrical Components - 2 - Question 4

For a 35 km transmission line having a lumped impedance of the line as 20 ohms, is required to be shown in the ABCD form, it is given as

Detailed Solution for Test: Symmetrical Components - 2 - Question 4

From the given length, it is a short TL. Hence,

Then ABCD paramteres of this circuit is 

Test: Symmetrical Components - 2 - Question 5

The sending end active power for a 20 km transmission line with Vs as the sending end voltage and Vr as receiving end voltage, can be given by most appropriately

Detailed Solution for Test: Symmetrical Components - 2 - Question 5

The sending end active power is 

Test: Symmetrical Components - 2 - Question 6

The receiving end active power for a short transmission line is (where the angles have their usual meanings)

Detailed Solution for Test: Symmetrical Components - 2 - Question 6

Receiving end active power for a short transmission line is

Test: Symmetrical Components - 2 - Question 7

The charging currents due to shunt admittance can be neglected for ______ transmission line?

Detailed Solution for Test: Symmetrical Components - 2 - Question 7

The shun admittance for lines more than 100 km become very prominent and can not be neglected.

Test: Symmetrical Components - 2 - Question 8

The maximum real active power delivered to the load is defined most accurately by

Detailed Solution for Test: Symmetrical Components - 2 - Question 8

The maximum real active power delivered to the load is 

Test: Symmetrical Components - 2 - Question 9

If it is tried to represent the active and reactive power on a circle, then the radius would be

Detailed Solution for Test: Symmetrical Components - 2 - Question 9

The complex power, 
Taking the real power and reactive power, squaring and adding them gives an equation of circle having radius 

Test: Symmetrical Components - 2 - Question 10

The simplified ABCD representation of a 40 km transmission line is best given as

Detailed Solution for Test: Symmetrical Components - 2 - Question 10

From the given length, it is a short TL. Hence,

Then ABCD parameters of this circuit is 

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