1.What we call the bus,if the real & reactive components are specified?
2.What is the another name for Swing bus?
3.What are the specifications for Generator bus?
4.Which bus generates the real & reactive powers required for transmission line losses?
5.what is the value for acceleration factor?
6.When we treat the generator bus as load?
7.Which is used to approximate the non-linear equations in in N-R method?
8.The elements of which matrix are the first derivatives of load flow equations?
9.In which method convergence is not affected ny the choice of slack bus?
10.the G-S method has which convergence characteristics?
11.The voltage variations in the bus is directly related to which power?
12.What we call a bus,if its voltage remains constant at any situation?
13.One winding of Booster transformer is connected in series with what?
14.What we call when the transformer turns ratio is not used for the ratio of base KV?
15.In which bus the magnitude of bus voltage can vary within specified limits?
16.Usually the bus having the largest generating station connected to it is selected as which bus?
17.In N-R method the no.of iterations are independent of what?
18.What happened to its voltage,if the reactive power demand of a bus is more than the generation?
19.The synchronous capacitors can absorbs or delivers which power?
20.An under excited synchronous motor behave as what?
21.How can we achieve the voltage control using transformers?
22.What are the types of faults based on the nature fault currents?
23.The shunt faults are due to what?
24.In which faults,the fault currents are equal in all the phases?
25.which fault is most severe?
26.The presence of what current makes the short circuit current asymmetrical?
27.Which is the most common and frequently occurring fault?
28.The ratio of induced emf and steady state rms current is what?
29.Which can be used to estimate the initial value of fault current?
30.The circuit breakers will open its contacts in which period of short circuits?
31.The fault current is symmetrical only in which type of fault?
32.The resistance at the end of feeders teduces what?
33.if flux diminishes,what happened to armature current?
34.The speed of the circuit breaker is specified in what?
35.What is the name of the angle between the relative position of rotor axis and the stator magnetic field axis?
36.If transmitted power is increased beyond steady state limit,then what happens?
37.By which methods the swing equation can be solved?
38.If loading of machine is large,then what happens to torque angle?
39.Which method is not applicable to a multy machine system directly?
40.If the critical clearing angle is greater than the critical value then the system becomes what?
41.In which method ,the computed swing curve approaches the true curve,only when the time interval is increased?
42.How to maintain the power transfer and stability of the system during 3-phase fault?
43.What we call the off-diagonal elements of Y-bus?
44.An unbalance system of N related vectors can be resolved into N system of balanced vectors called what?
45.What we call the diagonal elements of Z-bus?
46.Which sequence networks of a generator will not have any sources?
47.In transmission line the zero sequence reactance is how much times the positive sequence reactance?
48.What we call the meeting point of various components in a power system?
49.The impedance of a device or component is usually specified in p.u on the base of what?
50.If Y-bus is symmetrical,then what about the corresponding z-bus?
Power System Analysis Key
1.Load bus
2. Slack bus
3. Real power & voltage
4. Swing/Slack bus
5. 1.6
6. If the reactive power limit is violated
7. Taylors
8. Jacobian matrix
9. N-R method
10. linear
11. Reactive power
12. Infinite bus
13. Transmission line
14. Off-nominal ratio
15. Load bus
16. Slack bus
17. Size of the system
18. Decreases
19. Reactive power
20. An inductor
21.By altering the voltage ratios
22. Symmetrical & Unsymmetrical
23. short circuits
24. Symmetrical faults
25. 3-phase
26. dc-offset
27. single line to ground fault
28. Synchronous reactance
29. Sutransient reactance
30. Transient
31. 3-phase fault
32. Degree of asymmetry
33. Decreases
34. cycles of power frequency
35. Load/Torque angle
36. synchronous will be lost
37. Runge-kutta & modified Euler’s methods
38. It will be Less
39. Equal area criterion method
40. Unstable
41. point-by-point method
42. By having resistance and reactance grounding
43. Mutual admittances
44. Symmetrical components
45. Driving point impedances
46. Negative & Zero
47. 2 to 3.5
48. Bus
49. Name plate rating
50. Symmetrical
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