XEE502 POWER SYSTEM ANALYSIS

NAME OF THE STUDENT:

REGISTER NO:

1.What is the main focus of steady-state stability in power systems?

• a) Oscillations of machines
• b) System response to small disturbances
• c) Response to large disturbances
• d) Frequency control

2. Which type of stability is concerned with the system's ability to maintain synchronism under small perturbations?

• a) Transient stability
• b) Steady-state stability
• c) Voltage stability
• d) Rotor angle stability

3. Transient stability is typically evaluated for how long after a disturbance?

• a) Several hours
• b) 1-5 seconds
• c) 10-20 minutes
• d) Instantaneous

4.Which of the following types of stability deals with power system behavior under large disturbances like short circuits?

• a) Transient stability
• b) Steady-state stability
• c) Voltage stability
• d) Frequency stability

5.The swing equation is used to model which aspect of power systems?

• a) Voltage regulation
• b) Rotor dynamics
• c) Load shedding
• d) Power factor correction

6.Which term in the swing equation represents the electrical power output?

• a) Inertia constant
• b) Mechanical power input
• c) Damping coefficient
• d) Electrical power output

7.The swing equation is a _______ differential equation.

• a) First-order linear
• b) Second-order nonlinear
• c) Third-order linear
• d) Second-order linear

8.What is the significance of the inertia constant (H) in the swing equation?

• a) Determines system frequency
• b) Affects rotor speed
• c) Represents stored kinetic energy
• d) Controls voltage stability