# Power System Analysis MCQ

Power System Analysis multiple choice questions (MCQ) for Electrical Engineering exams, interviews, and job tests.

Power System Analysis or PSA is the branch of Electrical Engineering which involves analysis for various electrical power systems. It involves the study of generators, transformers, buses, transmission lines, and other electrical equipment for the most economical and robust Power System.

Power System Analysis MCQ

## Parameters specified on slack bus

On slack bus _________ and ___________ are specified:

1. Voltage Magnitude, Real power
2. Voltage Magnitude, Phase angle
3. Active, Reactive power
4. Active power, phase angle

Correct answer: 2. Voltage Magnitude, Phase angle

## High Speed Breakers Impact

High-speed breakers impact:

1. Transient stability
3. Both of these
4. None of these

## Devices which are designed on the basis of swing curve

___________ are designed on the basis of swing curve:

1. Rotor windings
2. Stator windings
3. Transformer windings
4. Protection devices

## Major cause of voltage instability

The major cause of voltage instability is:

1. Transformer
2. Generator
4. Transmission lines

## Which of the following is sparse matrix

Which of the following is a sparse matrix:

1. Jacobian matrix
2. Y bus matrix
3. Both of these
4. None of these

Correct answer: 3. Both of these

## Which type of convergence takes place in Newton Raphson method

Which type of convergence takes place in Newton Raphson method:

1. Linear convergence
3. Cubic convergence
4. None of these

The Newton Raphson Method is said to have quadratic convergence.

## Equal area criterion is applicable to

Equal area criterion is applicable to:

1. Single machine connected to infinite bus
2. Two machines connected to infinite bus
3. Multi machine system connected to infinite bus
4. All of these

Correct answer: 1. Single machine connected to infinite bus

## What is the quantity H in swing equation known as

The quantity H in swing equation is:

1. Kelvin constant
2. Motion of synchronous motor/3.55
3. Inertia constant
4. None of these

## For n number of nodes the rank of graph is

With respect to Graph theory in Power System Analysis for n number of nodes the rank of graph is:

1. n+2
2. n
3. n-1