POWER SYSTEMS QUIZ

 Slow convergence

 A good initial guess for voltages is essential for convergence

 Unreliable convergence

 Choice of slack bus affects the convergence

 single unit can be used as both capacitance and inductor by adjusting the excitation

 smooth voltage regulation is possible by controlling excitation

 It requires less maintanance

All of these

 immersed in water pool.

  encased by thick concrete wall.

 isolated from outside word with strong magnetic field.

 encased thick metal wall.

 7.

 3.

  5.

 20.

 increasing of inductance value

 both 1 and 2

 increasing of voltage level

 increasing of capacitance value

 base load plant

None of these

 peak load plant

 both 1 and 2

 Thermal stability test.

 Load cycle tests.

  All of these.

 Impulse tests.

 gas based thermal power plant

 coal based thermal power plant

 pumped storage hydro power plant

 nuclear plant

 reduce loss of heat.

 improve condenser performance.

 utilize heat of flue gases.

  increase thermal efficiency.

 0.4

 2000

 0.22

 5