WorksheetsPower System Quiz 2
Total questions: 10
Worksheet time: 5mins
Single line diagram of which of the following power system is possible?
Power system with LG fault
Balanced power system
Power system with LL fault
Power system with LLG fault
A power system will have greater flexibility of operation if they have __________
Only Base load plants operating in combination
Various types of power plants operating in combination
Only Peak load plants operating in combination
Only thermal power plants operating in combination
Single line diagram does not represents:
Ratings of machines
Neutral wire of transmission lines
Delta connection of transformer winding
Star connection of transformer winding
In the impedance diagram different power system elements are represented by symbols.
False
True
In the combined operation of several power plants the reserve capacity requirement is reduced.
False
True
For a given power system, it's zero and maximum regulation will occur at the impedance angle of
45
60
35
50
A 200 bus power system has 160 PQ bus. For achieving a load flow solution by N-R in polar coordinates, the minimum number of simultaneous equation to be solved is ___________
359
334
357
345
A 50 bus power system Ybus has 80% sparsity. The total number of transmission lines will be ___________
225
563
345
456
The given graph is the depiction of ________ on a large power system network.
Three phase motor getting short
L-G fault
Ratings of machines
Any of the mentioned
A protection system engineer is planning to provide the complete protection, he can achieve this by ___________
a two phase fault relays and three earth fault relays
a two phase fault relays and two earth fault relays
two phase fault relays and three earth fault relays
three phase fault relays and two earth fault relays
