List of top Power Systems Questions asked in CUET (PG)

The Sequence components of the fault current in a system are as follows:
\(I_{positive}\) = j1.5p.u
\(I_{negative}\) = -j 0.5 p.u
\(I_{zero}\) =  -j 1 p.u
The type of fault in a power system is_____

Match List I with List II

LIST I (Type of relay)		LIST II (characteristics)
A	Mho relay	I
B	Plain Impedance Relay	II
C	Directional relay	III
D	Angle Impedance Relay	IV

Choose the correct answer from the options given below:

Match List-I and List-II

LIST I		LIST II
A.	Thermal	I.	High operating cost
B.	Nuclear	II.	High capital cost
C.	Hydro	III.	High plant life
D.	Diesal	IV.	High fuel transtoortaicr cost

Choose the correct answer from the options given below:

Identify the location of fault in the power system shown in the figure below. A sustained 3-Φ fault occurred. (The voltage and current phasors, after the natural transients have died down are also shown.)