Power Systems Objective Questions & Answers – Set 2

Advantages of gauss siedel method is/are

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?

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?

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

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

Which of the following buses is/are not PV buses?

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

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

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

The value of off diagonal elements is

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

Advantages of shunt compensation is/are

Specified quantities of slack bus are

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

For n bus power system size of Y bus matrix is

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

Specified quantities of load bus are

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

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

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

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

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?

Which of the following is/are advantages of N-R method?

Normally Z bus matrix is a

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

Which of the following produces the radio interference in communication lines?

In load flow studies PV bus is treated as PQ bus when

Range of accelerating factor is

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

Telecommunication lines are transposed to reduce the