GATE EE 2002 | Parameters and Performance of Transmission Lines Question 60 | Power System Analysis

A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at

The upper surface of the conductor

The lower surface of the conductor

The ground surface

Midway between the conductor and ground

GATE EE 2001

MCQ (Single Correct Answer)

-0.3

A lossless radial transmission line with surge impedance loading

Takes negative VAR at sending end and zero VAR at receiving end.

Takes positive VAR at sending end and zero VAR at receiving end.

Has flat voltage profile and unity power factor at all points along it.

Has sending end voltage higher than receiving end voltage and unity power factor at sending end.

GATE EE 1999

MCQ (Single Correct Answer)

-0.3

The load carrying capability of a long AC transmission line is

Always limited by the conductor size

Limited by stability considerations.

Reduced at a low ambient temperatures.

Decreased by the use of bundled conductors of single conductors.

GATE EE 1999

MCQ (Single Correct Answer)

-0.3

Corona losses are minimized when

Conductor size is reduced.

Smooth conductor is reduced.

Sharp points are provided in the line hardware.

Current density in conductors is reduced.

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Electric Circuits

Three Phase Circuits Transient Response Graph Theory Two Port Networks Sinusoidal Steady State Analysis Network Elements Network Theorems

Electromagnetic Fields

Time Varying Fields Electrostatics Magnetostatics

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Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous

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Power System Analysis

Parameters and Performance of Transmission Lines Power Generation Cost Power System Stability Symmetrical Components and Symmetrical and Unsymmetrical Faults Circuit Breaker Switch Gear and Protection Per Unit System Load Flow Studies High Voltage Dc Transmission Generating Power Station

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Basic of Indicating Instruments Error Analysis and Measurement Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Potentiometer and Instrument Transformers Cathode Ray Oscilloscope

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Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Basics of Control System Routh Hurwitz Stability Time Response Analysis Root Locus Techniques Controller and Compensator

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