Power Systems Objective Questions & Answers – Set 2
Power Systems Objective Questions & Answers
0%
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?
Correct!
Wrong!

The value of off diagonal elements is
Correct!
Wrong!

An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is
Correct!
Wrong!

An ACSR conductor has internal inductance 0.05 mH/Km for Âµ_{r} = 1. If this ACSR is replaced with another having Âµ_{r} = 2, then find the internal inductance?
Correct!
Wrong!

Specified quantities of load bus are
Correct!
Wrong!

Find the number of strands of ACSR conductor for 3 layer transmission line?
Correct!
Wrong!

For n bus power system size of Y bus matrix is
Correct!
Wrong!

Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no
Correct!
Wrong!

Find the number of strands of ACSR conductor for 4 layer transmission line?
Correct!
Wrong!

Which of the following matrix is used for load flow studies?
Correct!
Wrong!

A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?
Correct!
Wrong!

Normally Z bus matrix is a
Correct!
Wrong!

For accurate load flow calculations on large power systems, the best method is
Correct!
Wrong!

A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?
Correct!
Wrong!

Which of the following produces the radio interference in communication lines?
Correct!
Wrong!

Which of the following buses is/are not PV buses?
Correct!
Wrong!

Specified quantities of slack bus are
Correct!
Wrong!

Range of accelerating factor is
Correct!
Wrong!

In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?
Correct!
Wrong!

A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?
Correct!
Wrong!

If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?
Correct!
Wrong!

Advantages of shunt compensation is/are
Correct!
Wrong!

In a 4 bus,4Ă—4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?
Correct!
Wrong!

The total number of strands in a ACSR conductor are 7, then find the layer number?
Correct!
Wrong!

For load flow studies, What are the quantities specified at load bus are
Correct!
Wrong!

Which of the following is/are advantages of NR method?
Correct!
Wrong!

In load flow studies PV bus is treated as PQ bus when
Correct!
Wrong!

Telecommunication lines are transposed to reduce the
Correct!
Wrong!

Advantages of gauss siedel method is/are
Correct!
Wrong!

Which of the following quantities are to be calculated for generator bus?