An 80-bus power system has 10 generator buses. For the load flow analysis, using N-R method the size of Jacobian is
Question 2
Load flow studies must be made on a power system before
Question 3
Assertion (A): Bus admittance matrix is a sparse matrix. Reason (R):In load flow studies, one of the buses is taken as a slack bus.
Question 4
The application of load flow study is:
Question 5
Consider the following statements regarding convergence of the Newton-Raphson procedure: 1) It does not converge to a root when the second differential coefficient changes sign. 2) It is preferred when the graph of (X) is nearly horizontal where it crosses the X-axis. 3) It is used to solve algebraic and transcendental equations. Which of these statements are correct?
Question 6
Buses for load flow studies are classified as 1) Load bus 2) PV bus 3) Slack bus Which one of the following is the correct combination of the pair of quantities specified having their usual meaning for different buses? Load bus, PV bus ,Slack bus
Question 7
The Y-Bus matrix of a 4-bus system in per unit is given below,, the buses having shunt element are
Question 8
Consider the following statements regarding load flow methods:
1) The performance of gauss-siedel method is sensitive to the choice of slack bus.
2) The convergence of fast recouped load flow method is faster than Gauss siedel and Newton raphson methods.
3) Number of iterations in gauss siedel method can be reduced by using accelerating factor
Which of the following above statements are correct ?
Question 9
Which of the following iterative methods of load flow Analysis possess greater accuracy
Question 10
In guass-sidel method for load flow Analysis, what is the use of acceleration factor?
, the buses having shunt element are
