Load Flow Analysis Quiz

What is the purpose of load flow analysis in power system analysis?

• To control economic schedule

• To study transient behavior

• To design transmission lines

• To compute precise steady-state voltages and power flows

What is a load bus also known as?

• PV bus

• PQ bus

• Generator bus

• Slack bus

What method is used for load flow calculations that employ iterative techniques?

• Gauss–Seidel method

• Newton–Raphson method

• Direct inspection method

• Fast decoupled method

What is the purpose of the slack bus in a power system network?

• To control voltage magnitude

• To adjust generator excitation

• To balance power losses

• To act as a reference bus

What is the relationship between node current and voltage in a linear network described by?

• I = VY

• I = YV

• I = Y/V

• I = V/Y

What is the complex power injected by the source into the ith bus of a power system?

• P - QV

• P + jQV

• P - jQV

• SP + jQV

What is the purpose of the acceleration factor 'a' in the Gauss–Seidel method?

• To decrease convergence

• To increase convergence

• To adjust generator excitation

• To calculate power losses

What is the voltage at bus 3 after the first iteration using the Gauss–Seidel method in Example 2.2?

• 0.988 - j0.0416

• 0.9926 - j0.026

• 0.9825 - j0.06

• 0.9721 - j0.096

What is the purpose of the Newton-Raphson method?

• To calculate power losses

• To solve linear equations

• To analyze security in power systems

• To solve simultaneous nonlinear equations

What is the advantage of the Gauss-Seidel method?

• Requires a large number of iterations to converge

• Suitable for large systems

• High memory requirement

• Simple calculations