Power Systems Objective Questions & Answers – Set 2
Power Systems Objective Questions & Answers
0%
Normally Z bus matrix is a
Correct!
Wrong!

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

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

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!

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

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

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

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

Telecommunication lines are transposed to reduce the
Correct!
Wrong!

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

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

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

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

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

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

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

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

The value of off diagonal elements is
Correct!
Wrong!

Specified quantities of load bus are
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!

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

Advantages of shunt compensation is/are
Correct!
Wrong!

Specified quantities of slack bus are
Correct!
Wrong!

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

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

Range of accelerating factor is
Correct!
Wrong!

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

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